aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-10 20:40:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-10 20:40:00 -0700
commitae46654bcff303b33facbbd04a3ad9c21d303f9b (patch)
treeb0027d47d6c949162fa6ae306f34abeb76c559a9 /drivers
parentMerge tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc (diff)
parentMerge tag 'scpi-fixes-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers (diff)
downloadlinux-dev-ae46654bcff303b33facbbd04a3ad9c21d303f9b.tar.xz
linux-dev-ae46654bcff303b33facbbd04a3ad9c21d303f9b.zip
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson: "This branch contains platform-related driver updates for ARM and ARM64. Among them: - Reset driver updates: + New API for dealing with arrays of resets + Make unimplemented {de,}assert return success on shared resets + MSDKv1 driver + Removal of obsolete Gemini reset driver + Misc updates for sunxi and Uniphier - SoC drivers: + Platform SoC driver registration on Tegra + Shuffle of Qualcomm drivers into a submenu + Allwinner A64 support for SRAM + Renesas R-Car R3 support + Power domains for Rockchip RK3366 - Misc updates and smaller fixes for TEE and memory driver subsystems" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits) firmware: arm_scpi: fix endianness of dev_id in struct dev_pstate_set soc/tegra: fuse: Add missing semi-colon soc/tegra: Restrict SoC device registration to Tegra drivers: soc: sunxi: add support for A64 and its SRAM C drivers: soc: sunxi: add support for remapping func value to reg value drivers: soc: sunxi: fix error processing on base address when claiming dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C bus: sunxi-rsb: Enable by default for ARM64 soc/tegra: Register SoC device firmware: tegra: set drvdata earlier memory: Convert to using %pOF instead of full_name soc: Convert to using %pOF instead of full_name bus: Convert to using %pOF instead of full_name firmware: Convert to using %pOF instead of full_name soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC soc: mediatek: add header files required for MT7622 SCPSYS dt-binding soc: mediatek: reduce code duplication of scpsys_probe across all SoCs dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC reset: uniphier: add analog amplifiers reset control reset: uniphier: add video input subsystem reset control ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bus/Kconfig2
-rw-r--r--drivers/bus/arm-cci.c12
-rw-r--r--drivers/bus/imx-weim.c8
-rw-r--r--drivers/bus/sunxi-rsb.c22
-rw-r--r--drivers/firmware/arm_scpi.c4
-rw-r--r--drivers/firmware/psci.c4
-rw-r--r--drivers/firmware/tegra/bpmp.c4
-rw-r--r--drivers/memory/atmel-ebi.c17
-rw-r--r--drivers/memory/jz4780-nemc.c12
-rw-r--r--drivers/memory/mvebu-devbus.c12
-rw-r--r--drivers/memory/omap-gpmc.c16
-rw-r--r--drivers/reset/Kconfig9
-rw-r--r--drivers/reset/Makefile2
-rw-r--r--drivers/reset/core.c238
-rw-r--r--drivers/reset/reset-gemini.c110
-rw-r--r--drivers/reset/reset-hsdk-v1.c137
-rw-r--r--drivers/reset/reset-sunxi.c4
-rw-r--r--drivers/reset/reset-uniphier.c117
-rw-r--r--drivers/reset/reset-zx2967.c2
-rw-r--r--drivers/soc/Kconfig1
-rw-r--r--drivers/soc/Makefile1
-rw-r--r--drivers/soc/amlogic/Kconfig12
-rw-r--r--drivers/soc/amlogic/Makefile1
-rw-r--r--drivers/soc/amlogic/meson-gx-socinfo.c177
-rw-r--r--drivers/soc/fsl/qbman/bman_ccsr.c10
-rw-r--r--drivers/soc/fsl/qbman/bman_portal.c8
-rw-r--r--drivers/soc/fsl/qbman/qman_ccsr.c12
-rw-r--r--drivers/soc/fsl/qbman/qman_portal.c11
-rw-r--r--drivers/soc/fsl/qe/gpio.c4
-rw-r--r--drivers/soc/mediatek/mtk-pmic-wrap.c10
-rw-r--r--drivers/soc/mediatek/mtk-scpsys.c247
-rw-r--r--drivers/soc/qcom/Kconfig4
-rw-r--r--drivers/soc/qcom/mdt_loader.c5
-rw-r--r--drivers/soc/qcom/smsm.c3
-rw-r--r--drivers/soc/qcom/wcnss_ctrl.c1
-rw-r--r--drivers/soc/renesas/Kconfig7
-rw-r--r--drivers/soc/renesas/Makefile1
-rw-r--r--drivers/soc/renesas/r8a77995-sysc.c31
-rw-r--r--drivers/soc/renesas/rcar-rst.c5
-rw-r--r--drivers/soc/renesas/rcar-sysc.c9
-rw-r--r--drivers/soc/renesas/rcar-sysc.h1
-rw-r--r--drivers/soc/renesas/renesas-soc.c8
-rw-r--r--drivers/soc/rockchip/grf.c14
-rw-r--r--drivers/soc/rockchip/pm_domains.c32
-rw-r--r--drivers/soc/samsung/pm_domains.c10
-rw-r--r--drivers/soc/sunxi/sunxi_sram.c57
-rw-r--r--drivers/soc/tegra/Kconfig5
-rw-r--r--drivers/soc/tegra/fuse/fuse-tegra.c56
-rw-r--r--drivers/soc/tegra/pmc.c4
-rw-r--r--drivers/tee/optee/core.c19
-rw-r--r--drivers/tee/optee/optee_smc.h12
-rw-r--r--drivers/tee/optee/rpc.c15
-rw-r--r--drivers/tee/tee_core.c5
-rw-r--r--drivers/tee/tee_shm.c2
54 files changed, 1102 insertions, 430 deletions
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 2408ea38a39c..ae3d8f3444b9 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -132,7 +132,7 @@ config SIMPLE_PM_BUS
config SUNXI_RSB
tristate "Allwinner sunXi Reduced Serial Bus Driver"
- default MACH_SUN8I || MACH_SUN9I
+ default MACH_SUN8I || MACH_SUN9I || ARM64
depends on ARCH_SUNXI
select REGMAP
help
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index c49da15d9790..3c29d36702a8 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -2124,8 +2124,8 @@ int notrace __cci_control_port_by_device(struct device_node *dn, bool enable)
return -ENODEV;
port = __cci_ace_get_port(dn, ACE_LITE_PORT);
- if (WARN_ONCE(port < 0, "node %s ACE lite port look-up failure\n",
- dn->full_name))
+ if (WARN_ONCE(port < 0, "node %pOF ACE lite port look-up failure\n",
+ dn))
return -ENODEV;
cci_port_control(port, enable);
return 0;
@@ -2200,14 +2200,14 @@ static int cci_probe_ports(struct device_node *np)
if (of_property_read_string(cp, "interface-type",
&match_str)) {
- WARN(1, "node %s missing interface-type property\n",
- cp->full_name);
+ WARN(1, "node %pOF missing interface-type property\n",
+ cp);
continue;
}
is_ace = strcmp(match_str, "ace") == 0;
if (!is_ace && strcmp(match_str, "ace-lite")) {
- WARN(1, "node %s containing invalid interface-type property, skipping it\n",
- cp->full_name);
+ WARN(1, "node %pOF containing invalid interface-type property, skipping it\n",
+ cp);
continue;
}
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index 4bd361d64270..3d56ebcda720 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -156,8 +156,8 @@ static int __init weim_parse_dt(struct platform_device *pdev,
ret = weim_timing_setup(child, base, devtype);
if (ret)
- dev_warn(&pdev->dev, "%s set timing failed.\n",
- child->full_name);
+ dev_warn(&pdev->dev, "%pOF set timing failed.\n",
+ child);
else
have_child = 1;
}
@@ -166,8 +166,8 @@ static int __init weim_parse_dt(struct platform_device *pdev,
ret = of_platform_default_populate(pdev->dev.of_node,
NULL, &pdev->dev);
if (ret)
- dev_err(&pdev->dev, "%s fail to create devices.\n",
- pdev->dev.of_node->full_name);
+ dev_err(&pdev->dev, "%pOF fail to create devices.\n",
+ pdev->dev.of_node);
return ret;
}
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 795c9d9c96a6..328ca93781cf 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -556,20 +556,20 @@ static int of_rsb_register_devices(struct sunxi_rsb *rsb)
/* Runtime addresses for all slaves should be set first */
for_each_available_child_of_node(np, child) {
- dev_dbg(dev, "setting child %s runtime address\n",
- child->full_name);
+ dev_dbg(dev, "setting child %pOF runtime address\n",
+ child);
ret = of_property_read_u32(child, "reg", &hwaddr);
if (ret) {
- dev_err(dev, "%s: invalid 'reg' property: %d\n",
- child->full_name, ret);
+ dev_err(dev, "%pOF: invalid 'reg' property: %d\n",
+ child, ret);
continue;
}
rtaddr = sunxi_rsb_get_rtaddr(hwaddr);
if (!rtaddr) {
- dev_err(dev, "%s: unknown hardware device address\n",
- child->full_name);
+ dev_err(dev, "%pOF: unknown hardware device address\n",
+ child);
continue;
}
@@ -586,15 +586,15 @@ static int of_rsb_register_devices(struct sunxi_rsb *rsb)
/* send command */
ret = _sunxi_rsb_run_xfer(rsb);
if (ret)
- dev_warn(dev, "%s: set runtime address failed: %d\n",
- child->full_name, ret);
+ dev_warn(dev, "%pOF: set runtime address failed: %d\n",
+ child, ret);
}
/* Then we start adding devices and probing them */
for_each_available_child_of_node(np, child) {
struct sunxi_rsb_device *rdev;
- dev_dbg(dev, "adding child %s\n", child->full_name);
+ dev_dbg(dev, "adding child %pOF\n", child);
ret = of_property_read_u32(child, "reg", &hwaddr);
if (ret)
@@ -606,8 +606,8 @@ static int of_rsb_register_devices(struct sunxi_rsb *rsb)
rdev = sunxi_rsb_device_create(rsb, child, hwaddr, rtaddr);
if (IS_ERR(rdev))
- dev_err(dev, "failed to add child device %s: %ld\n",
- child->full_name, PTR_ERR(rdev));
+ dev_err(dev, "failed to add child device %pOF: %ld\n",
+ child, PTR_ERR(rdev));
}
return 0;
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c
index 8043e51de897..7da9f1b83ebe 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -357,7 +357,7 @@ struct sensor_value {
} __packed;
struct dev_pstate_set {
- u16 dev_id;
+ __le16 dev_id;
u8 pstate;
} __packed;
@@ -965,7 +965,7 @@ static int scpi_probe(struct platform_device *pdev)
count = of_count_phandle_with_args(np, "mboxes", "#mbox-cells");
if (count < 0) {
- dev_err(dev, "no mboxes property in '%s'\n", np->full_name);
+ dev_err(dev, "no mboxes property in '%pOF'\n", np);
return -ENODEV;
}
diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 493a56a4cfc4..d687ca3d5049 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -280,8 +280,8 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu)
"arm,psci-suspend-param",
&state);
if (ret) {
- pr_warn(" * %s missing arm,psci-suspend-param property\n",
- state_node->full_name);
+ pr_warn(" * %pOF missing arm,psci-suspend-param property\n",
+ state_node);
of_node_put(state_node);
goto free_mem;
}
diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index b25179517cc5..73ca55b7b7ec 100644
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -806,6 +806,8 @@ static int tegra_bpmp_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "firmware: %s\n", tag);
+ platform_set_drvdata(pdev, bpmp);
+
err = of_platform_default_populate(pdev->dev.of_node, NULL, &pdev->dev);
if (err < 0)
goto free_mrq;
@@ -822,8 +824,6 @@ static int tegra_bpmp_probe(struct platform_device *pdev)
if (err < 0)
goto free_mrq;
- platform_set_drvdata(pdev, bpmp);
-
return 0;
free_mrq:
diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index c00a7c7f460a..b907865d4664 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -159,8 +159,8 @@ static int atmel_ebi_xslate_smc_timings(struct atmel_ebi_dev *ebid,
out:
if (ret) {
dev_err(ebid->ebi->dev,
- "missing or invalid timings definition in %s",
- np->full_name);
+ "missing or invalid timings definition in %pOF",
+ np);
return ret;
}
@@ -270,8 +270,8 @@ static int atmel_ebi_xslate_smc_config(struct atmel_ebi_dev *ebid,
return -EINVAL;
if ((ret > 0 && !required) || (!ret && required)) {
- dev_err(ebid->ebi->dev, "missing atmel,smc- properties in %s",
- np->full_name);
+ dev_err(ebid->ebi->dev, "missing atmel,smc- properties in %pOF",
+ np);
return -EINVAL;
}
@@ -314,8 +314,7 @@ static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np,
if (cs >= AT91_MATRIX_EBI_NUM_CS ||
!(ebi->caps->available_cs & BIT(cs))) {
- dev_err(dev, "invalid reg property in %s\n",
- np->full_name);
+ dev_err(dev, "invalid reg property in %pOF\n", np);
return -EINVAL;
}
@@ -324,7 +323,7 @@ static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np,
}
if (!numcs) {
- dev_err(dev, "invalid reg property in %s\n", np->full_name);
+ dev_err(dev, "invalid reg property in %pOF\n", np);
return -EINVAL;
}
@@ -576,8 +575,8 @@ static int atmel_ebi_probe(struct platform_device *pdev)
ret = atmel_ebi_dev_setup(ebi, child, reg_cells);
if (ret) {
- dev_err(dev, "failed to configure EBI bus for %s, disabling the device",
- child->full_name);
+ dev_err(dev, "failed to configure EBI bus for %pOF, disabling the device",
+ child);
ret = atmel_ebi_dev_disable(ebi, child);
if (ret)
diff --git a/drivers/memory/jz4780-nemc.c b/drivers/memory/jz4780-nemc.c
index 919d1925acb9..bcf06adefc96 100644
--- a/drivers/memory/jz4780-nemc.c
+++ b/drivers/memory/jz4780-nemc.c
@@ -322,8 +322,8 @@ static int jz4780_nemc_probe(struct platform_device *pdev)
bank = of_read_number(prop, 1);
if (bank < 1 || bank >= JZ4780_NEMC_NUM_BANKS) {
dev_err(nemc->dev,
- "%s requests invalid bank %u\n",
- child->full_name, bank);
+ "%pOF requests invalid bank %u\n",
+ child, bank);
/* Will continue the outer loop below. */
referenced = 0;
@@ -334,12 +334,12 @@ static int jz4780_nemc_probe(struct platform_device *pdev)
}
if (!referenced) {
- dev_err(nemc->dev, "%s has no addresses\n",
- child->full_name);
+ dev_err(nemc->dev, "%pOF has no addresses\n",
+ child);
continue;
} else if (nemc->banks_present & referenced) {
- dev_err(nemc->dev, "%s conflicts with another node\n",
- child->full_name);
+ dev_err(nemc->dev, "%pOF conflicts with another node\n",
+ child);
continue;
}
diff --git a/drivers/memory/mvebu-devbus.c b/drivers/memory/mvebu-devbus.c
index 24852812fd44..981860879d02 100644
--- a/drivers/memory/mvebu-devbus.c
+++ b/drivers/memory/mvebu-devbus.c
@@ -105,8 +105,8 @@ static int get_timing_param_ps(struct devbus *devbus,
err = of_property_read_u32(node, name, &time_ps);
if (err < 0) {
- dev_err(devbus->dev, "%s has no '%s' property\n",
- name, node->full_name);
+ dev_err(devbus->dev, "%pOF has no '%s' property\n",
+ node, name);
return err;
}
@@ -127,8 +127,8 @@ static int devbus_get_timing_params(struct devbus *devbus,
err = of_property_read_u32(node, "devbus,bus-width", &r->bus_width);
if (err < 0) {
dev_err(devbus->dev,
- "%s has no 'devbus,bus-width' property\n",
- node->full_name);
+ "%pOF has no 'devbus,bus-width' property\n",
+ node);
return err;
}
@@ -180,8 +180,8 @@ static int devbus_get_timing_params(struct devbus *devbus,
&w->sync_enable);
if (err < 0) {
dev_err(devbus->dev,
- "%s has no 'devbus,sync-enable' property\n",
- node->full_name);
+ "%pOF has no 'devbus,sync-enable' property\n",
+ node);
return err;
}
}
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index a80e17de906d..7059bbda2fac 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -1930,8 +1930,8 @@ static int gpmc_probe_onenand_child(struct platform_device *pdev,
struct omap_onenand_platform_data *gpmc_onenand_data;
if (of_property_read_u32(child, "reg", &val) < 0) {
- dev_err(&pdev->dev, "%s has no 'reg' property\n",
- child->full_name);
+ dev_err(&pdev->dev, "%pOF has no 'reg' property\n",
+ child);
return -ENODEV;
}
@@ -1979,14 +1979,14 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
struct gpmc_device *gpmc = platform_get_drvdata(pdev);
if (of_property_read_u32(child, "reg", &cs) < 0) {
- dev_err(&pdev->dev, "%s has no 'reg' property\n",
- child->full_name);
+ dev_err(&pdev->dev, "%pOF has no 'reg' property\n",
+ child);
return -ENODEV;
}
if (of_address_to_resource(child, 0, &res) < 0) {
- dev_err(&pdev->dev, "%s has malformed 'reg' property\n",
- child->full_name);
+ dev_err(&pdev->dev, "%pOF has malformed 'reg' property\n",
+ child);
return -ENODEV;
}
@@ -2084,8 +2084,8 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
ret = of_property_read_u32(child, "bank-width",
&gpmc_s.device_width);
if (ret < 0) {
- dev_err(&pdev->dev, "%s has no 'bank-width' property\n",
- child->full_name);
+ dev_err(&pdev->dev, "%pOF has no 'bank-width' property\n",
+ child);
goto err;
}
}
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 608c071e4bbf..52d5251660b9 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -34,12 +34,11 @@ config RESET_BERLIN
help
This enables the reset controller driver for Marvell Berlin SoCs.
-config RESET_GEMINI
- bool "Gemini Reset Driver" if COMPILE_TEST
- default ARCH_GEMINI
- select MFD_SYSCON
+config RESET_HSDK_V1
+ bool "HSDK v1 Reset Driver"
+ default n
help
- This enables the reset controller driver for Cortina Systems Gemini.
+ This enables the reset controller driver for HSDK v1.
config RESET_IMX7
bool "i.MX7 Reset Driver" if COMPILE_TEST
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index 7081f9da2599..b62783f50fe5 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_ARCH_TEGRA) += tegra/
obj-$(CONFIG_RESET_A10SR) += reset-a10sr.o
obj-$(CONFIG_RESET_ATH79) += reset-ath79.o
obj-$(CONFIG_RESET_BERLIN) += reset-berlin.o
-obj-$(CONFIG_RESET_GEMINI) += reset-gemini.o
+obj-$(CONFIG_RESET_HSDK_V1) += reset-hsdk-v1.o
obj-$(CONFIG_RESET_IMX7) += reset-imx7.o
obj-$(CONFIG_RESET_LPC18XX) += reset-lpc18xx.o
obj-$(CONFIG_RESET_MESON) += reset-meson.o
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index 0090784ff410..1d21c6f7d56c 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -43,11 +43,24 @@ struct reset_control {
unsigned int id;
struct kref refcnt;
bool shared;
+ bool array;
atomic_t deassert_count;
atomic_t triggered_count;
};
/**
+ * struct reset_control_array - an array of reset controls
+ * @base: reset control for compatibility with reset control API functions
+ * @num_rstcs: number of reset controls
+ * @rstc: array of reset controls
+ */
+struct reset_control_array {
+ struct reset_control base;
+ unsigned int num_rstcs;
+ struct reset_control *rstc[];
+};
+
+/**
* of_reset_simple_xlate - translate reset_spec to the reset line number
* @rcdev: a pointer to the reset controller device
* @reset_spec: reset line specifier as found in the device tree
@@ -135,6 +148,65 @@ int devm_reset_controller_register(struct device *dev,
}
EXPORT_SYMBOL_GPL(devm_reset_controller_register);
+static inline struct reset_control_array *
+rstc_to_array(struct reset_control *rstc) {
+ return container_of(rstc, struct reset_control_array, base);
+}
+
+static int reset_control_array_reset(struct reset_control_array *resets)
+{
+ int ret, i;
+
+ for (i = 0; i < resets->num_rstcs; i++) {
+ ret = reset_control_reset(resets->rstc[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int reset_control_array_assert(struct reset_control_array *resets)
+{
+ int ret, i;
+
+ for (i = 0; i < resets->num_rstcs; i++) {
+ ret = reset_control_assert(resets->rstc[i]);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ while (i--)
+ reset_control_deassert(resets->rstc[i]);
+ return ret;
+}
+
+static int reset_control_array_deassert(struct reset_control_array *resets)
+{
+ int ret, i;
+
+ for (i = 0; i < resets->num_rstcs; i++) {
+ ret = reset_control_deassert(resets->rstc[i]);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ while (i--)
+ reset_control_assert(resets->rstc[i]);
+ return ret;
+}
+
+static inline bool reset_control_is_array(struct reset_control *rstc)
+{
+ return rstc->array;
+}
+
/**
* reset_control_reset - reset the controlled device
* @rstc: reset controller
@@ -158,6 +230,9 @@ int reset_control_reset(struct reset_control *rstc)
if (WARN_ON(IS_ERR(rstc)))
return -EINVAL;
+ if (reset_control_is_array(rstc))
+ return reset_control_array_reset(rstc_to_array(rstc));
+
if (!rstc->rcdev->ops->reset)
return -ENOTSUPP;
@@ -202,8 +277,8 @@ int reset_control_assert(struct reset_control *rstc)
if (WARN_ON(IS_ERR(rstc)))
return -EINVAL;
- if (!rstc->rcdev->ops->assert)
- return -ENOTSUPP;
+ if (reset_control_is_array(rstc))
+ return reset_control_array_assert(rstc_to_array(rstc));
if (rstc->shared) {
if (WARN_ON(atomic_read(&rstc->triggered_count) != 0))
@@ -214,6 +289,21 @@ int reset_control_assert(struct reset_control *rstc)
if (atomic_dec_return(&rstc->deassert_count) != 0)
return 0;
+
+ /*
+ * Shared reset controls allow the reset line to be in any state
+ * after this call, so doing nothing is a valid option.
+ */
+ if (!rstc->rcdev->ops->assert)
+ return 0;
+ } else {
+ /*
+ * If the reset controller does not implement .assert(), there
+ * is no way to guarantee that the reset line is asserted after
+ * this call.
+ */
+ if (!rstc->rcdev->ops->assert)
+ return -ENOTSUPP;
}
return rstc->rcdev->ops->assert(rstc->rcdev, rstc->id);
@@ -240,8 +330,8 @@ int reset_control_deassert(struct reset_control *rstc)
if (WARN_ON(IS_ERR(rstc)))
return -EINVAL;
- if (!rstc->rcdev->ops->deassert)
- return -ENOTSUPP;
+ if (reset_control_is_array(rstc))
+ return reset_control_array_deassert(rstc_to_array(rstc));
if (rstc->shared) {
if (WARN_ON(atomic_read(&rstc->triggered_count) != 0))
@@ -251,6 +341,16 @@ int reset_control_deassert(struct reset_control *rstc)
return 0;
}
+ /*
+ * If the reset controller does not implement .deassert(), we assume
+ * that it handles self-deasserting reset lines via .reset(). In that
+ * case, the reset lines are deasserted by default. If that is not the
+ * case, the reset controller driver should implement .deassert() and
+ * return -ENOTSUPP.
+ */
+ if (!rstc->rcdev->ops->deassert)
+ return 0;
+
return rstc->rcdev->ops->deassert(rstc->rcdev, rstc->id);
}
EXPORT_SYMBOL_GPL(reset_control_deassert);
@@ -266,7 +366,7 @@ int reset_control_status(struct reset_control *rstc)
if (!rstc)
return 0;
- if (WARN_ON(IS_ERR(rstc)))
+ if (WARN_ON(IS_ERR(rstc)) || reset_control_is_array(rstc))
return -EINVAL;
if (rstc->rcdev->ops->status)
@@ -404,6 +504,16 @@ struct reset_control *__reset_control_get(struct device *dev, const char *id,
}
EXPORT_SYMBOL_GPL(__reset_control_get);
+static void reset_control_array_put(struct reset_control_array *resets)
+{
+ int i;
+
+ mutex_lock(&reset_list_mutex);
+ for (i = 0; i < resets->num_rstcs; i++)
+ __reset_control_put_internal(resets->rstc[i]);
+ mutex_unlock(&reset_list_mutex);
+}
+
/**
* reset_control_put - free the reset controller
* @rstc: reset controller
@@ -413,6 +523,11 @@ void reset_control_put(struct reset_control *rstc)
if (IS_ERR_OR_NULL(rstc))
return;
+ if (reset_control_is_array(rstc)) {
+ reset_control_array_put(rstc_to_array(rstc));
+ return;
+ }
+
mutex_lock(&reset_list_mutex);
__reset_control_put_internal(rstc);
mutex_unlock(&reset_list_mutex);
@@ -472,3 +587,116 @@ int device_reset(struct device *dev)
return ret;
}
EXPORT_SYMBOL_GPL(device_reset);
+
+/**
+ * APIs to manage an array of reset controls.
+ */
+/**
+ * of_reset_control_get_count - Count number of resets available with a device
+ *
+ * @node: device node that contains 'resets'.
+ *
+ * Returns positive reset count on success, or error number on failure and
+ * on count being zero.
+ */
+static int of_reset_control_get_count(struct device_node *node)
+{
+ int count;
+
+ if (!node)
+ return -EINVAL;
+
+ count = of_count_phandle_with_args(node, "resets", "#reset-cells");
+ if (count == 0)
+ count = -ENOENT;
+
+ return count;
+}
+
+/**
+ * of_reset_control_array_get - Get a list of reset controls using
+ * device node.
+ *
+ * @np: device node for the device that requests the reset controls array
+ * @shared: whether reset controls are shared or not
+ * @optional: whether it is optional to get the reset controls
+ *
+ * Returns pointer to allocated reset_control_array on success or
+ * error on failure
+ */
+struct reset_control *
+of_reset_control_array_get(struct device_node *np, bool shared, bool optional)
+{
+ struct reset_control_array *resets;
+ struct reset_control *rstc;
+ int num, i;
+
+ num = of_reset_control_get_count(np);
+ if (num < 0)
+ return optional ? NULL : ERR_PTR(num);
+
+ resets = kzalloc(sizeof(*resets) + sizeof(resets->rstc[0]) * num,
+ GFP_KERNEL);
+ if (!resets)
+ return ERR_PTR(-ENOMEM);
+
+ for (i = 0; i < num; i++) {
+ rstc = __of_reset_control_get(np, NULL, i, shared, optional);
+ if (IS_ERR(rstc))
+ goto err_rst;
+ resets->rstc[i] = rstc;
+ }
+ resets->num_rstcs = num;
+ resets->base.array = true;
+
+ return &resets->base;
+
+err_rst:
+ mutex_lock(&reset_list_mutex);
+ while (--i >= 0)
+ __reset_control_put_internal(resets->rstc[i]);
+ mutex_unlock(&reset_list_mutex);
+
+ kfree(resets);
+
+ return rstc;
+}
+EXPORT_SYMBOL_GPL(of_reset_control_array_get);
+
+/**
+ * devm_reset_control_array_get - Resource managed reset control array get
+ *
+ * @dev: device that requests the list of reset controls
+ * @shared: whether reset controls are shared or not
+ * @optional: whether it is optional to get the reset controls
+ *
+ * The reset control array APIs are intended for a list of resets
+ * that just have to be asserted or deasserted, without any
+ * requirements on the order.
+ *
+ * Returns pointer to allocated reset_control_array on success or
+ * error on failure
+ */
+struct reset_control *
+devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
+{
+ struct reset_control **devres;
+ struct reset_control *rstc;
+
+ devres = devres_alloc(devm_reset_control_release, sizeof(*devres),
+ GFP_KERNEL);
+ if (!devres)
+ return ERR_PTR(-ENOMEM);
+
+ rstc = of_reset_control_array_get(dev->of_node, shared, optional);
+ if (IS_ERR(rstc)) {
+ devres_free(devres);
+ return rstc;
+ }
+
+ *devres = rstc;
+ devres_add(dev, devres);
+
+ return rstc;
+}
+EXPORT_SYMBOL_GPL(devm_reset_control_array_get);
diff --git a/drivers/reset/reset-gemini.c b/drivers/reset/reset-gemini.c
deleted file mode 100644
index a2478997c75b..000000000000
--- a/drivers/reset/reset-gemini.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Cortina Gemini Reset controller driver
- * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/reset-controller.h>
-#include <dt-bindings/reset/cortina,gemini-reset.h>
-
-/**
- * struct gemini_reset - gemini reset controller
- * @map: regmap to access the containing system controller
- * @rcdev: reset controller device
- */
-struct gemini_reset {
- struct regmap *map;
- struct reset_controller_dev rcdev;
-};
-
-#define GEMINI_GLOBAL_SOFT_RESET 0x0c
-
-#define to_gemini_reset(p) \
- container_of((p), struct gemini_reset, rcdev)
-
-/*
- * This is a self-deasserting reset controller.
- */
-static int gemini_reset(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct gemini_reset *gr = to_gemini_reset(rcdev);
-
- /* Manual says to always set BIT 30 (CPU1) to 1 */
- return regmap_write(gr->map,
- GEMINI_GLOBAL_SOFT_RESET,
- BIT(GEMINI_RESET_CPU1) | BIT(id));
-}
-
-static int gemini_reset_status(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct gemini_reset *gr = to_gemini_reset(rcdev);
- u32 val;
- int ret;
-
- ret = regmap_read(gr->map, GEMINI_GLOBAL_SOFT_RESET, &val);
- if (ret)
- return ret;
-
- return !!(val & BIT(id));
-}
-
-static const struct reset_control_ops gemini_reset_ops = {
- .reset = gemini_reset,
- .status = gemini_reset_status,
-};
-
-static int gemini_reset_probe(struct platform_device *pdev)
-{
- struct gemini_reset *gr;
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- int ret;
-
- gr = devm_kzalloc(dev, sizeof(*gr), GFP_KERNEL);
- if (!gr)
- return -ENOMEM;
-
- gr->map = syscon_node_to_regmap(np);
- if (IS_ERR(gr->map)) {
- ret = PTR_ERR(gr->map);
- dev_err(dev, "unable to get regmap (%d)", ret);
- return ret;
- }
- gr->rcdev.owner = THIS_MODULE;
- gr->rcdev.nr_resets = 32;
- gr->rcdev.ops = &gemini_reset_ops;
- gr->rcdev.of_node = pdev->dev.of_node;
-
- ret = devm_reset_controller_register(&pdev->dev, &gr->rcdev);
- if (ret)
- return ret;
-
- dev_info(dev, "registered Gemini reset controller\n");
- return 0;
-}
-
-static const struct of_device_id gemini_reset_dt_ids[] = {
- { .compatible = "cortina,gemini-syscon", },
- { /* sentinel */ },
-};
-
-static struct platform_driver gemini_reset_driver = {
- .probe = gemini_reset_probe,
- .driver = {
- .name = "gemini-reset",
- .of_match_table = gemini_reset_dt_ids,
- .suppress_bind_attrs = true,
- },
-};
-builtin_platform_driver(gemini_reset_driver);
diff --git a/drivers/reset/reset-hsdk-v1.c b/drivers/reset/reset-hsdk-v1.c
new file mode 100644
index 000000000000..bca13e4bf622
--- /dev/null
+++ b/drivers/reset/reset-hsdk-v1.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2017 Synopsys.
+ *
+ * Synopsys HSDKv1 SDP reset driver.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#define to_hsdkv1_rst(p) container_of((p), struct hsdkv1_rst, rcdev)
+
+struct hsdkv1_rst {
+ void __iomem *regs_ctl;
+ void __iomem *regs_rst;
+ spinlock_t lock;
+ struct reset_controller_dev rcdev;
+};
+
+static const u32 rst_map[] = {
+ BIT(16), /* APB_RST */
+ BIT(17), /* AXI_RST */
+ BIT(18), /* ETH_RST */
+ BIT(19), /* USB_RST */
+ BIT(20), /* SDIO_RST */
+ BIT(21), /* HDMI_RST */
+ BIT(22), /* GFX_RST */
+ BIT(25), /* DMAC_RST */
+ BIT(31), /* EBI_RST */
+};
+
+#define HSDK_MAX_RESETS ARRAY_SIZE(rst_map)
+
+#define CGU_SYS_RST_CTRL 0x0
+#define CGU_IP_SW_RESET 0x0
+#define CGU_IP_SW_RESET_DELAY_SHIFT 16
+#define CGU_IP_SW_RESET_DELAY_MASK GENMASK(31, CGU_IP_SW_RESET_DELAY_SHIFT)
+#define CGU_IP_SW_RESET_DELAY 0
+#define CGU_IP_SW_RESET_RESET BIT(0)
+#define SW_RESET_TIMEOUT 10000
+
+static void hsdkv1_reset_config(struct hsdkv1_rst *rst, unsigned long id)
+{
+ writel(rst_map[id], rst->regs_ctl + CGU_SYS_RST_CTRL);
+}
+
+static int hsdkv1_reset_do(struct hsdkv1_rst *rst)
+{
+ u32 reg;
+
+ reg = readl(rst->regs_rst + CGU_IP_SW_RESET);
+ reg &= ~CGU_IP_SW_RESET_DELAY_MASK;
+ reg |= CGU_IP_SW_RESET_DELAY << CGU_IP_SW_RESET_DELAY_SHIFT;
+ reg |= CGU_IP_SW_RESET_RESET;
+ writel(reg, rst->regs_rst + CGU_IP_SW_RESET);
+
+ /* wait till reset bit is back to 0 */
+ return readl_poll_timeout_atomic(rst->regs_rst + CGU_IP_SW_RESET, reg,
+ !(reg & CGU_IP_SW_RESET_RESET), 5, SW_RESET_TIMEOUT);
+}
+
+static int hsdkv1_reset_reset(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct hsdkv1_rst *rst = to_hsdkv1_rst(rcdev);
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&rst->lock, flags);
+ hsdkv1_reset_config(rst, id);
+ ret = hsdkv1_reset_do(rst);
+ spin_unlock_irqrestore(&rst->lock, flags);
+
+ return ret;
+}
+
+static const struct reset_control_ops hsdkv1_reset_ops = {
+ .reset = hsdkv1_reset_reset,
+};
+
+static int hsdkv1_reset_probe(struct platform_device *pdev)
+{
+ struct hsdkv1_rst *rst;
+ struct resource *mem;
+
+ rst = devm_kzalloc(&pdev->dev, sizeof(*rst), GFP_KERNEL);
+ if (!rst)
+ return -ENOMEM;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rst->regs_ctl = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(rst->regs_ctl))
+ return PTR_ERR(rst->regs_ctl);
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ rst->regs_rst = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(rst->regs_rst))
+ return PTR_ERR(rst->regs_rst);
+
+ spin_lock_init(&rst->lock);
+
+ rst->rcdev.owner = THIS_MODULE;
+ rst->rcdev.ops = &hsdkv1_reset_ops;
+ rst->rcdev.of_node = pdev->dev.of_node;
+ rst->rcdev.nr_resets = HSDK_MAX_RESETS;
+ rst->rcdev.of_reset_n_cells = 1;
+
+ return reset_controller_register(&rst->rcdev);
+}
+
+static const struct of_device_id hsdkv1_reset_dt_match[] = {
+ { .compatible = "snps,hsdk-v1.0-reset" },
+ { },
+};
+
+static struct platform_driver hsdkv1_reset_driver = {
+ .probe = hsdkv1_reset_probe,
+ .driver = {
+ .name = "hsdk-v1.0-reset",
+ .of_match_table = hsdkv1_reset_dt_match,
+ },
+};
+builtin_platform_driver(hsdkv1_reset_driver);
+
+MODULE_AUTHOR("Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>");
+MODULE_DESCRIPTION("Synopsys HSDKv1 SDP reset driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/reset/reset-sunxi.c b/drivers/reset/reset-sunxi.c
index cd585cd2f04d..2c7dd1fd08df 100644
--- a/drivers/reset/reset-sunxi.c
+++ b/drivers/reset/reset-sunxi.c
@@ -107,7 +107,7 @@ static int sunxi_reset_init(struct device_node *np)
spin_lock_init(&data->lock);
data->rcdev.owner = THIS_MODULE;
- data->rcdev.nr_resets = size * 32;
+ data->rcdev.nr_resets = size * 8;
data->rcdev.ops = &sunxi_reset_ops;
data->rcdev.of_node = np;
@@ -162,7 +162,7 @@ static int sunxi_reset_probe(struct platform_device *pdev)
spin_lock_init(&data->lock);
data->rcdev.owner = THIS_MODULE;
- data->rcdev.nr_resets = resource_size(res) * 32;
+ data->rcdev.nr_resets = resource_size(res) * 8;
data->rcdev.ops = &sunxi_reset_ops;
data->rcdev.of_node = pdev->dev.of_node;
diff --git a/drivers/reset/reset-uniphier.c b/drivers/reset/reset-uniphier.c
index c4ba89832796..bda2dd196ae5 100644
--- a/drivers/reset/reset-uniphier.c
+++ b/drivers/reset/reset-uniphier.c
@@ -50,59 +50,35 @@ struct uniphier_reset_data {
}
/* System reset data */
-#define UNIPHIER_SLD3_SYS_RESET_NAND(id) \
- UNIPHIER_RESETX((id), 0x2004, 2)
-
-#define UNIPHIER_LD11_SYS_RESET_NAND(id) \
- UNIPHIER_RESETX((id), 0x200c, 0)
-
-#define UNIPHIER_LD11_SYS_RESET_EMMC(id) \
- UNIPHIER_RESETX((id), 0x200c, 2)
-
-#define UNIPHIER_SLD3_SYS_RESET_STDMAC(id) \
- UNIPHIER_RESETX((id), 0x2000, 10)
-
-#define UNIPHIER_LD11_SYS_RESET_STDMAC(id) \
- UNIPHIER_RESETX((id), 0x200c, 8)
-
-#define UNIPHIER_PRO4_SYS_RESET_GIO(id) \
- UNIPHIER_RESETX((id), 0x2000, 6)
-
-#define UNIPHIER_LD20_SYS_RESET_GIO(id) \
- UNIPHIER_RESETX((id), 0x200c, 5)
-
-#define UNIPHIER_PRO4_SYS_RESET_USB3(id, ch) \
- UNIPHIER_RESETX((id), 0x2000 + 0x4 * (ch), 17)
-
-static const struct uniphier_reset_data uniphier_sld3_sys_reset_data[] = {
- UNIPHIER_SLD3_SYS_RESET_NAND(2),
- UNIPHIER_SLD3_SYS_RESET_STDMAC(8), /* Ether, HSC, MIO */
+static const struct uniphier_reset_data uniphier_ld4_sys_reset_data[] = {
+ UNIPHIER_RESETX(2, 0x2000, 2), /* NAND */
+ UNIPHIER_RESETX(8, 0x2000, 10), /* STDMAC (Ether, HSC, MIO) */
UNIPHIER_RESET_END,
};
static const struct uniphier_reset_data uniphier_pro4_sys_reset_data[] = {
- UNIPHIER_SLD3_SYS_RESET_NAND(2),
- UNIPHIER_SLD3_SYS_RESET_STDMAC(8), /* HSC, MIO, RLE */
- UNIPHIER_PRO4_SYS_RESET_GIO(12), /* Ether, SATA, USB3 */
- UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
- UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+ UNIPHIER_RESETX(2, 0x2000, 2), /* NAND */
+ UNIPHIER_RESETX(8, 0x2000, 10), /* STDMAC (HSC, MIO, RLE) */
+ UNIPHIER_RESETX(12, 0x2000, 6), /* GIO (Ether, SATA, USB3) */
+ UNIPHIER_RESETX(14, 0x2000, 17), /* USB30 */
+ UNIPHIER_RESETX(15, 0x2004, 17), /* USB31 */
UNIPHIER_RESET_END,
};
static const struct uniphier_reset_data uniphier_pro5_sys_reset_data[] = {
- UNIPHIER_SLD3_SYS_RESET_NAND(2),
- UNIPHIER_SLD3_SYS_RESET_STDMAC(8), /* HSC */
- UNIPHIER_PRO4_SYS_RESET_GIO(12), /* PCIe, USB3 */
- UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
- UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+ UNIPHIER_RESETX(2, 0x2000, 2), /* NAND */
+ UNIPHIER_RESETX(8, 0x2000, 10), /* STDMAC (HSC) */
+ UNIPHIER_RESETX(12, 0x2000, 6), /* GIO (PCIe, USB3) */
+ UNIPHIER_RESETX(14, 0x2000, 17), /* USB30 */
+ UNIPHIER_RESETX(15, 0x2004, 17), /* USB31 */
UNIPHIER_RESET_END,
};
static const struct uniphier_reset_data uniphier_pxs2_sys_reset_data[] = {
- UNIPHIER_SLD3_SYS_RESET_NAND(2),
- UNIPHIER_SLD3_SYS_RESET_STDMAC(8), /* HSC, RLE */
- UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
- UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+ UNIPHIER_RESETX(2, 0x2000, 2), /* NAND */
+ UNIPHIER_RESETX(8, 0x2000, 10), /* STDMAC (HSC, RLE) */
+ UNIPHIER_RESETX(14, 0x2000, 17), /* USB30 */
+ UNIPHIER_RESETX(15, 0x2004, 17), /* USB31 */
UNIPHIER_RESETX(16, 0x2014, 4), /* USB30-PHY0 */
UNIPHIER_RESETX(17, 0x2014, 0), /* USB30-PHY1 */
UNIPHIER_RESETX(18, 0x2014, 2), /* USB30-PHY2 */
@@ -114,21 +90,27 @@ static const struct uniphier_reset_data uniphier_pxs2_sys_reset_data[] = {
};
static const struct uniphier_reset_data uniphier_ld11_sys_reset_data[] = {
- UNIPHIER_LD11_SYS_RESET_NAND(2),
- UNIPHIER_LD11_SYS_RESET_EMMC(4),
- UNIPHIER_LD11_SYS_RESET_STDMAC(8), /* HSC, MIO */
+ UNIPHIER_RESETX(2, 0x200c, 0), /* NAND */
+ UNIPHIER_RESETX(4, 0x200c, 2), /* eMMC */
+ UNIPHIER_RESETX(8, 0x200c, 8), /* STDMAC (HSC, MIO) */
+ UNIPHIER_RESETX(40, 0x2008, 0), /* AIO */
+ UNIPHIER_RESETX(41, 0x2008, 1), /* EVEA */
+ UNIPHIER_RESETX(42, 0x2010, 2), /* EXIV */
UNIPHIER_RESET_END,
};
static const struct uniphier_reset_data uniphier_ld20_sys_reset_data[] = {
- UNIPHIER_LD11_SYS_RESET_NAND(2),
- UNIPHIER_LD11_SYS_RESET_EMMC(4),
- UNIPHIER_LD11_SYS_RESET_STDMAC(8), /* HSC */
- UNIPHIER_LD20_SYS_RESET_GIO(12), /* PCIe, USB3 */
+ UNIPHIER_RESETX(2, 0x200c, 0), /* NAND */
+ UNIPHIER_RESETX(4, 0x200c, 2), /* eMMC */
+ UNIPHIER_RESETX(8, 0x200c, 8), /* STDMAC (HSC) */
+ UNIPHIER_RESETX(12, 0x200c, 5), /* GIO (PCIe, USB3) */
UNIPHIER_RESETX(16, 0x200c, 12), /* USB30-PHY0 */
UNIPHIER_RESETX(17, 0x200c, 13), /* USB30-PHY1 */
UNIPHIER_RESETX(18, 0x200c, 14), /* USB30-PHY2 */
UNIPHIER_RESETX(19, 0x200c, 15), /* USB30-PHY3 */
+ UNIPHIER_RESETX(40, 0x2008, 0), /* AIO */
+ UNIPHIER_RESETX(41, 0x2008, 1), /* EVEA */
+ UNIPHIER_RESETX(42, 0x2010, 2), /* EXIV */
UNIPHIER_RESET_END,
};
@@ -151,7 +133,7 @@ static const struct uniphier_reset_data uniphier_ld20_sys_reset_data[] = {
#define UNIPHIER_MIO_RESET_DMAC(id) \
UNIPHIER_RESETX((id), 0x110, 17)
-static const struct uniphier_reset_data uniphier_sld3_mio_reset_data[] = {
+static const struct uniphier_reset_data uniphier_ld4_mio_reset_data[] = {
UNIPHIER_MIO_RESET_SD(0, 0),
UNIPHIER_MIO_RESET_SD(1, 1),
UNIPHIER_MIO_RESET_SD(2, 2),
@@ -163,11 +145,9 @@ static const struct uniphier_reset_data uniphier_sld3_mio_reset_data[] = {
UNIPHIER_MIO_RESET_USB2(8, 0),
UNIPHIER_MIO_RESET_USB2(9, 1),
UNIPHIER_MIO_RESET_USB2(10, 2),
- UNIPHIER_MIO_RESET_USB2(11, 3),
UNIPHIER_MIO_RESET_USB2_BRIDGE(12, 0),
UNIPHIER_MIO_RESET_USB2_BRIDGE(13, 1),
UNIPHIER_MIO_RESET_USB2_BRIDGE(14, 2),
- UNIPHIER_MIO_RESET_USB2_BRIDGE(15, 3),
UNIPHIER_RESET_END,
};
@@ -216,6 +196,12 @@ static const struct uniphier_reset_data uniphier_pro4_peri_reset_data[] = {
UNIPHIER_RESET_END,
};
+/* Analog signal amplifiers reset data */
+static const struct uniphier_reset_data uniphier_ld11_adamv_reset_data[] = {
+ UNIPHIER_RESETX(0, 0x10, 6), /* EVEA */
+ UNIPHIER_RESET_END,
+};
+
/* core implementaton */
struct uniphier_reset_priv {
struct reset_controller_dev rcdev;
@@ -346,12 +332,8 @@ static int uniphier_reset_probe(struct platform_device *pdev)
static const struct of_device_id uniphier_reset_match[] = {
/* System reset */
{
- .compatible = "socionext,uniphier-sld3-reset",
- .data = uniphier_sld3_sys_reset_data,
- },
- {
.compatible = "socionext,uniphier-ld4-reset",
- .data = uniphier_sld3_sys_reset_data,
+ .data = uniphier_ld4_sys_reset_data,
},
{
.compatible = "socionext,uniphier-pro4-reset",
@@ -359,7 +341,7 @@ static const struct of_device_id uniphier_reset_match[] = {
},
{
.compatible = "socionext,uniphier-sld8-reset",
- .data = uniphier_sld3_sys_reset_data,
+ .data = uniphier_ld4_sys_reset_data,
},
{
.compatible = "socionext,uniphier-pro5-reset",
@@ -379,20 +361,16 @@ static const struct of_device_id uniphier_reset_match[] = {
},
/* Media I/O reset, SD reset */
{
- .compatible = "socionext,uniphier-sld3-mio-reset",
- .data = uniphier_sld3_mio_reset_data,
- },
- {
.compatible = "socionext,uniphier-ld4-mio-reset",
- .data = uniphier_sld3_mio_reset_data,
+ .data = uniphier_ld4_mio_reset_data,
},
{
.compatible = "socionext,uniphier-pro4-mio-reset",
- .data = uniphier_sld3_mio_reset_data,
+ .data = uniphier_ld4_mio_reset_data,
},
{
.compatible = "socionext,uniphier-sld8-mio-reset",
- .data = uniphier_sld3_mio_reset_data,
+ .data = uniphier_ld4_mio_reset_data,
},
{
.compatible = "socionext,uniphier-pro5-sd-reset",
@@ -404,7 +382,7 @@ static const struct of_device_id uniphier_reset_match[] = {
},
{
.compatible = "socionext,uniphier-ld11-mio-reset",
- .data = uniphier_sld3_mio_reset_data,
+ .data = uniphier_ld4_mio_reset_data,
},
{
.compatible = "socionext,uniphier-ld11-sd-reset",
@@ -443,6 +421,15 @@ static const struct of_device_id uniphier_reset_match[] = {
.compatible = "socionext,uniphier-ld20-peri-reset",
.data = uniphier_pro4_peri_reset_data,
},
+ /* Analog signal amplifiers reset */
+ {
+ .compatible = "socionext,uniphier-ld11-adamv-reset",
+ .data = uniphier_ld11_adamv_reset_data,
+ },
+ {
+ .compatible = "socionext,uniphier-ld20-adamv-reset",
+ .data = uniphier_ld11_adamv_reset_data,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, uniphier_reset_match);
diff --git a/drivers/reset/reset-zx2967.c b/drivers/reset/reset-zx2967.c
index 4dabb9ec4841..4f319f7753d4 100644
--- a/drivers/reset/reset-zx2967.c
+++ b/drivers/reset/reset-zx2967.c
@@ -55,7 +55,7 @@ static int zx2967_reset_deassert(struct reset_controller_dev *rcdev,
return zx2967_reset_act(rcdev, id, false);
}
-static struct reset_control_ops zx2967_reset_ops = {
+static const struct reset_control_ops zx2967_reset_ops = {
.assert = zx2967_reset_assert,
.deassert = zx2967_reset_deassert,
};
diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig
index 07fc0ac51c52..fc9e98047421 100644
--- a/drivers/soc/Kconfig
+++ b/drivers/soc/Kconfig
@@ -1,6 +1,7 @@
menu "SOC (System On Chip) specific Drivers"
source "drivers/soc/actions/Kconfig"
+source "drivers/soc/amlogic/Kconfig"
source "drivers/soc/atmel/Kconfig"
source "drivers/soc/bcm/Kconfig"
source "drivers/soc/fsl/Kconfig"
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 9241125416ba..280a6a91a9e2 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_MACH_DOVE) += dove/
obj-y += fsl/
obj-$(CONFIG_ARCH_MXC) += imx/
obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
+obj-$(CONFIG_ARCH_MESON) += amlogic/
obj-$(CONFIG_ARCH_QCOM) += qcom/
obj-y += renesas/
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
diff --git a/drivers/soc/amlogic/Kconfig b/drivers/soc/amlogic/Kconfig
new file mode 100644
index 000000000000..22acf064531f
--- /dev/null
+++ b/drivers/soc/amlogic/Kconfig
@@ -0,0 +1,12 @@
+menu "Amlogic SoC drivers"
+
+config MESON_GX_SOCINFO
+ bool "Amlogic Meson GX SoC Information driver"
+ depends on ARCH_MESON || COMPILE_TEST
+ default ARCH_MESON
+ select SOC_BUS
+ help
+ Say yes to support decoding of Amlogic Meson GX SoC family
+ information about the type, package and version.
+
+endmenu
diff --git a/drivers/soc/amlogic/Makefile b/drivers/soc/amlogic/Makefile
new file mode 100644
index 000000000000..3e85fc462c21
--- /dev/null
+++ b/drivers/soc/amlogic/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_MESON_GX_SOCINFO) += meson-gx-socinfo.o
diff --git a/drivers/soc/amlogic/meson-gx-socinfo.c b/drivers/soc/amlogic/meson-gx-socinfo.c
new file mode 100644
index 000000000000..89f4cf507be6
--- /dev/null
+++ b/drivers/soc/amlogic/meson-gx-socinfo.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+
+#define AO_SEC_SD_CFG8 0xe0
+#define AO_SEC_SOCINFO_OFFSET AO_SEC_SD_CFG8
+
+#define SOCINFO_MAJOR GENMASK(31, 24)
+#define SOCINFO_MINOR GENMASK(23, 16)
+#define SOCINFO_PACK GENMASK(15, 8)
+#define SOCINFO_MISC GENMASK(7, 0)
+
+static const struct meson_gx_soc_id {
+ const char *name;
+ unsigned int id;
+} soc_ids[] = {
+ { "GXBB", 0x1f },
+ { "GXTVBB", 0x20 },
+ { "GXL", 0x21 },
+ { "GXM", 0x22 },
+ { "TXL", 0x23 },
+};
+
+static const struct meson_gx_package_id {
+ const char *name;
+ unsigned int major_id;
+ unsigned int pack_id;
+} soc_packages[] = {
+ { "S905", 0x1f, 0 },
+ { "S905M", 0x1f, 0x20 },
+ { "S905D", 0x21, 0 },
+ { "S905X", 0x21, 0x80 },
+ { "S905L", 0x21, 0xc0 },
+ { "S905M2", 0x21, 0xe0 },
+ { "S912", 0x22, 0 },
+};
+
+static inline unsigned int socinfo_to_major(u32 socinfo)
+{
+ return FIELD_GET(SOCINFO_MAJOR, socinfo);
+}
+
+static inline unsigned int socinfo_to_minor(u32 socinfo)
+{
+ return FIELD_GET(SOCINFO_MINOR, socinfo);
+}
+
+static inline unsigned int socinfo_to_pack(u32 socinfo)
+{
+ return FIELD_GET(SOCINFO_PACK, socinfo);
+}
+
+static inline unsigned int socinfo_to_misc(u32 socinfo)
+{
+ return FIELD_GET(SOCINFO_MISC, socinfo);
+}
+
+static const char *socinfo_to_package_id(u32 socinfo)
+{
+ unsigned int pack = socinfo_to_pack(socinfo) & 0xf0;
+ unsigned int major = socinfo_to_major(socinfo);
+ int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(soc_packages) ; ++i) {
+ if (soc_packages[i].major_id == major &&
+ soc_packages[i].pack_id == pack)
+ return soc_packages[i].name;
+ }
+
+ return "Unknown";
+}
+
+static const char *socinfo_to_soc_id(u32 socinfo)
+{
+ unsigned int id = socinfo_to_major(socinfo);
+ int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(soc_ids) ; ++i) {
+ if (soc_ids[i].id == id)
+ return soc_ids[i].name;
+ }
+
+ return "Unknown";
+}
+
+int __init meson_gx_socinfo_init(void)
+{
+ struct soc_device_attribute *soc_dev_attr;
+ struct soc_device *soc_dev;
+ struct device_node *np;
+ struct regmap *regmap;
+ unsigned int socinfo;
+ struct device *dev;
+ int ret;
+
+ /* look up for chipid node */
+ np = of_find_compatible_node(NULL, NULL, "amlogic,meson-gx-ao-secure");
+ if (!np)
+ return -ENODEV;
+
+ /* check if interface is enabled */
+ if (!of_device_is_available(np))
+ return -ENODEV;
+
+ /* check if chip-id is available */
+ if (!of_property_read_bool(np, "amlogic,has-chip-id"))
+ return -ENODEV;
+
+ /* node should be a syscon */
+ regmap = syscon_node_to_regmap(np);
+ of_node_put(np);
+ if (IS_ERR(regmap)) {
+ pr_err("%s: failed to get regmap\n", __func__);
+ return -ENODEV;
+ }
+
+ ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo);
+ if (ret < 0)
+ return ret;
+
+ if (!socinfo) {
+ pr_err("%s: invalid chipid value\n", __func__);
+ return -EINVAL;
+ }
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENODEV;
+
+ soc_dev_attr->family = "Amlogic Meson";
+
+ np = of_find_node_by_path("/");
+ of_property_read_string(np, "model", &soc_dev_attr->machine);
+ of_node_put(np);
+
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%x:%x - %x:%x",
+ socinfo_to_major(socinfo),
+ socinfo_to_minor(socinfo),
+ socinfo_to_pack(socinfo),
+ socinfo_to_misc(socinfo));
+ soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%s (%s)",
+ socinfo_to_soc_id(socinfo),
+ socinfo_to_package_id(socinfo));
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr->revision);
+ kfree_const(soc_dev_attr->soc_id);
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
+ }
+ dev = soc_device_to_device(soc_dev);
+
+ dev_info(dev, "Amlogic Meson %s Revision %x:%x (%x:%x) Detected\n",
+ soc_dev_attr->soc_id,
+ socinfo_to_major(socinfo),
+ socinfo_to_minor(socinfo),
+ socinfo_to_pack(socinfo),
+ socinfo_to_misc(socinfo));
+
+ return 0;
+}
+device_initcall(meson_gx_socinfo_init);
diff --git a/drivers/soc/fsl/qbman/bman_ccsr.c b/drivers/soc/fsl/qbman/bman_ccsr.c
index a8e8389a6894..eaa9585c7347 100644
--- a/drivers/soc/fsl/qbman/bman_ccsr.c
+++ b/drivers/soc/fsl/qbman/bman_ccsr.c
@@ -177,8 +177,8 @@ static int fsl_bman_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- dev_err(dev, "Can't get %s property 'IORESOURCE_MEM'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'IORESOURCE_MEM'\n",
+ node);
return -ENXIO;
}
bm_ccsr_start = devm_ioremap(dev, res->start, resource_size(res));
@@ -205,14 +205,14 @@ static int fsl_bman_probe(struct platform_device *pdev)
err_irq = platform_get_irq(pdev, 0);
if (err_irq <= 0) {
- dev_info(dev, "Can't get %s IRQ\n", node->full_name);
+ dev_info(dev, "Can't get %pOF IRQ\n", node);
return -ENODEV;
}
ret = devm_request_irq(dev, err_irq, bman_isr, IRQF_SHARED, "bman-err",
dev);
if (ret) {
- dev_err(dev, "devm_request_irq() failed %d for '%s'\n",
- ret, node->full_name);
+ dev_err(dev, "devm_request_irq() failed %d for '%pOF'\n",
+ ret, node);
return ret;
}
/* Disable Buffer Pool State Change */
diff --git a/drivers/soc/fsl/qbman/bman_portal.c b/drivers/soc/fsl/qbman/bman_portal.c
index 8354d4dabdad..39b39c8f1399 100644
--- a/drivers/soc/fsl/qbman/bman_portal.c
+++ b/drivers/soc/fsl/qbman/bman_portal.c
@@ -103,16 +103,14 @@ static int bman_portal_probe(struct platform_device *pdev)
addr_phys[0] = platform_get_resource(pdev, IORESOURCE_MEM,
DPAA_PORTAL_CE);
if (!addr_phys[0]) {
- dev_err(dev, "Can't get %s property 'reg::CE'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'reg::CE'\n", node);
return -ENXIO;
}
addr_phys[1] = platform_get_resource(pdev, IORESOURCE_MEM,
DPAA_PORTAL_CI);
if (!addr_phys[1]) {
- dev_err(dev, "Can't get %s property 'reg::CI'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'reg::CI'\n", node);
return -ENXIO;
}
@@ -120,7 +118,7 @@ static int bman_portal_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
- dev_err(dev, "Can't get %s IRQ'\n", node->full_name);
+ dev_err(dev, "Can't get %pOF IRQ'\n", node);
return -ENXIO;
}
pcfg->irq = irq;
diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c
index 90bc40c48675..835ce947ffca 100644
--- a/drivers/soc/fsl/qbman/qman_ccsr.c
+++ b/drivers/soc/fsl/qbman/qman_ccsr.c
@@ -695,8 +695,8 @@ static int fsl_qman_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- dev_err(dev, "Can't get %s property 'IORESOURCE_MEM'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'IORESOURCE_MEM'\n",
+ node);
return -ENXIO;
}
qm_ccsr_start = devm_ioremap(dev, res->start, resource_size(res));
@@ -740,15 +740,15 @@ static int fsl_qman_probe(struct platform_device *pdev)
err_irq = platform_get_irq(pdev, 0);
if (err_irq <= 0) {
- dev_info(dev, "Can't get %s property 'interrupts'\n",
- node->full_name);
+ dev_info(dev, "Can't get %pOF property 'interrupts'\n",
+ node);
return -ENODEV;
}
ret = devm_request_irq(dev, err_irq, qman_isr, IRQF_SHARED, "qman-err",
dev);
if (ret) {
- dev_err(dev, "devm_request_irq() failed %d for '%s'\n",
- ret, node->full_name);
+ dev_err(dev, "devm_request_irq() failed %d for '%pOF'\n",
+ ret, node);
return ret;
}
diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index adbaa30d3c5a..cbacdf4f98ed 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -237,30 +237,27 @@ static int qman_portal_probe(struct platform_device *pdev)
addr_phys[0] = platform_get_resource(pdev, IORESOURCE_MEM,
DPAA_PORTAL_CE);
if (!addr_phys[0]) {
- dev_err(dev, "Can't get %s property 'reg::CE'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'reg::CE'\n", node);
return -ENXIO;
}
addr_phys[1] = platform_get_resource(pdev, IORESOURCE_MEM,
DPAA_PORTAL_CI);
if (!addr_phys[1]) {
- dev_err(dev, "Can't get %s property 'reg::CI'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'reg::CI'\n", node);
return -ENXIO;
}
err = of_property_read_u32(node, "cell-index", &val);
if (err) {
- dev_err(dev, "Can't get %s property 'cell-index'\n",
- node->full_name);
+ dev_err(dev, "Can't get %pOF property 'cell-index'\n", node);
return err;
}
pcfg->channel = val;
pcfg->cpu = -1;
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
- dev_err(dev, "Can't get %s IRQ\n", node->full_name);
+ dev_err(dev, "Can't get %pOF IRQ\n", node);
return -ENXIO;
}
pcfg->irq = irq;
diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe/gpio.c
index 0aaf429f31d5..3b27075c21a7 100644
--- a/drivers/soc/fsl/qe/gpio.c
+++ b/drivers/soc/fsl/qe/gpio.c
@@ -304,8 +304,8 @@ static int __init qe_add_gpiochips(void)
goto err;
continue;
err:
- pr_err("%s: registration failed with status %d\n",
- np->full_name, ret);
+ pr_err("%pOF: registration failed with status %d\n",
+ np, ret);
kfree(qe_gc);
/* try others anyway */
}
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index c80a04e1b2b1..c2048382830f 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -1067,7 +1067,7 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
.init_soc_specific = pwrap_mt2701_init_soc_specific,
};
-static struct pmic_wrapper_type pwrap_mt8135 = {
+static const struct pmic_wrapper_type pwrap_mt8135 = {
.regs = mt8135_regs,
.type = PWRAP_MT8135,
.arb_en_all = 0x1ff,
@@ -1079,7 +1079,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
.init_soc_specific = pwrap_mt8135_init_soc_specific,
};
-static struct pmic_wrapper_type pwrap_mt8173 = {
+static const struct pmic_wrapper_type pwrap_mt8173 = {
.regs = mt8173_regs,
.type = PWRAP_MT8173,
.arb_en_all = 0x3f,
@@ -1091,7 +1091,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
.init_soc_specific = pwrap_mt8173_init_soc_specific,
};
-static struct of_device_id of_pwrap_match_tbl[] = {
+static const struct of_device_id of_pwrap_match_tbl[] = {
{
.compatible = "mediatek,mt2701-pwrap",
.data = &pwrap_mt2701,
@@ -1233,8 +1233,8 @@ static int pwrap_probe(struct platform_device *pdev)
ret = of_platform_populate(np, NULL, NULL, wrp->dev);
if (ret) {
- dev_dbg(wrp->dev, "failed to create child devices at %s\n",
- np->full_name);
+ dev_dbg(wrp->dev, "failed to create child devices at %pOF\n",
+ np);
goto err_out2;
}
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index ceb2cc495cd0..e1ce8b1b5090 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -22,6 +22,7 @@
#include <dt-bindings/power/mt2701-power.h>
#include <dt-bindings/power/mt6797-power.h>
+#include <dt-bindings/power/mt7622-power.h>
#include <dt-bindings/power/mt8173-power.h>
#define SPM_VDE_PWR_CON 0x0210
@@ -39,6 +40,11 @@
#define SPM_MFG_2D_PWR_CON 0x02c0
#define SPM_MFG_ASYNC_PWR_CON 0x02c4
#define SPM_USB_PWR_CON 0x02cc
+#define SPM_ETHSYS_PWR_CON 0x02e0 /* MT7622 */
+#define SPM_HIF0_PWR_CON 0x02e4 /* MT7622 */
+#define SPM_HIF1_PWR_CON 0x02e8 /* MT7622 */
+#define SPM_WB_PWR_CON 0x02ec /* MT7622 */
+
#define SPM_PWR_STATUS 0x060c
#define SPM_PWR_STATUS_2ND 0x0610
@@ -64,6 +70,10 @@
#define PWR_STATUS_MFG_ASYNC BIT(23)
#define PWR_STATUS_AUDIO BIT(24)
#define PWR_STATUS_USB BIT(25)
+#define PWR_STATUS_ETHSYS BIT(24) /* MT7622 */
+#define PWR_STATUS_HIF0 BIT(25) /* MT7622 */
+#define PWR_STATUS_HIF1 BIT(26) /* MT7622 */
+#define PWR_STATUS_WB BIT(27) /* MT7622 */
enum clk_id {
CLK_NONE,
@@ -73,6 +83,7 @@ enum clk_id {
CLK_VENC_LT,
CLK_ETHIF,
CLK_VDEC,
+ CLK_HIFSEL,
CLK_MAX,
};
@@ -84,6 +95,7 @@ static const char * const clk_names[] = {
"venc_lt",
"ethif",
"vdec",
+ "hif_sel",
NULL,
};
@@ -124,6 +136,19 @@ struct scp {
struct scp_ctrl_reg ctrl_reg;
};
+struct scp_subdomain {
+ int origin;
+ int subdomain;
+};
+
+struct scp_soc_data {
+ const struct scp_domain_data *domains;
+ int num_domains;
+ const struct scp_subdomain *subdomains;
+ int num_subdomains;
+ const struct scp_ctrl_reg regs;
+};
+
static int scpsys_domain_is_on(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
@@ -357,7 +382,7 @@ static void init_clks(struct platform_device *pdev, struct clk **clk)
static struct scp *init_scp(struct platform_device *pdev,
const struct scp_domain_data *scp_domain_data, int num,
- struct scp_ctrl_reg *scp_ctrl_reg)
+ const struct scp_ctrl_reg *scp_ctrl_reg)
{
struct genpd_onecell_data *pd_data;
struct resource *res;
@@ -565,26 +590,6 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
},
};
-#define NUM_DOMAINS_MT2701 ARRAY_SIZE(scp_domain_data_mt2701)
-
-static int __init scpsys_probe_mt2701(struct platform_device *pdev)
-{
- struct scp *scp;
- struct scp_ctrl_reg scp_reg;
-
- scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
- scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
-
- scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701,
- &scp_reg);
- if (IS_ERR(scp))
- return PTR_ERR(scp);
-
- mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT2701);
-
- return 0;
-}
-
/*
* MT6797 power domain support
*/
@@ -649,51 +654,62 @@ static const struct scp_domain_data scp_domain_data_mt6797[] = {
},
};
-#define NUM_DOMAINS_MT6797 ARRAY_SIZE(scp_domain_data_mt6797)
#define SPM_PWR_STATUS_MT6797 0x0180
#define SPM_PWR_STATUS_2ND_MT6797 0x0184
-static int __init scpsys_probe_mt6797(struct platform_device *pdev)
-{
- struct scp *scp;
- struct genpd_onecell_data *pd_data;
- int ret;
- struct scp_ctrl_reg scp_reg;
-
- scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6797;
- scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797;
-
- scp = init_scp(pdev, scp_domain_data_mt6797, NUM_DOMAINS_MT6797,
- &scp_reg);
- if (IS_ERR(scp))
- return PTR_ERR(scp);
-
- mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT6797);
-
- pd_data = &scp->pd_data;
-
- ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
- pd_data->domains[MT6797_POWER_DOMAIN_VDEC]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
-
- ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
- pd_data->domains[MT6797_POWER_DOMAIN_ISP]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
-
- ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
- pd_data->domains[MT6797_POWER_DOMAIN_VENC]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+static const struct scp_subdomain scp_subdomain_mt6797[] = {
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
+};
- ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
- pd_data->domains[MT6797_POWER_DOMAIN_MJC]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+/*
+ * MT7622 power domain support
+ */
- return 0;
-}
+static const struct scp_domain_data scp_domain_data_mt7622[] = {
+ [MT7622_POWER_DOMAIN_ETHSYS] = {
+ .name = "ethsys",
+ .sta_mask = PWR_STATUS_ETHSYS,
+ .ctl_offs = SPM_ETHSYS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
+ .active_wakeup = true,
+ },
+ [MT7622_POWER_DOMAIN_HIF0] = {
+ .name = "hif0",
+ .sta_mask = PWR_STATUS_HIF0,
+ .ctl_offs = SPM_HIF0_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
+ .active_wakeup = true,
+ },
+ [MT7622_POWER_DOMAIN_HIF1] = {
+ .name = "hif1",
+ .sta_mask = PWR_STATUS_HIF1,
+ .ctl_offs = SPM_HIF1_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
+ .active_wakeup = true,
+ },
+ [MT7622_POWER_DOMAIN_WB] = {
+ .name = "wb",
+ .sta_mask = PWR_STATUS_WB,
+ .ctl_offs = SPM_WB_PWR_CON,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
+ .active_wakeup = true,
+ },
+};
/*
* MT8173 power domain support
@@ -789,39 +805,50 @@ static const struct scp_domain_data scp_domain_data_mt8173[] = {
},
};
-#define NUM_DOMAINS_MT8173 ARRAY_SIZE(scp_domain_data_mt8173)
-
-static int __init scpsys_probe_mt8173(struct platform_device *pdev)
-{
- struct scp *scp;
- struct genpd_onecell_data *pd_data;
- int ret;
- struct scp_ctrl_reg scp_reg;
-
- scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
- scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
-
- scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173,
- &scp_reg);
- if (IS_ERR(scp))
- return PTR_ERR(scp);
-
- mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT8173);
+static const struct scp_subdomain scp_subdomain_mt8173[] = {
+ {MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
+ {MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
+};
- pd_data = &scp->pd_data;
+static const struct scp_soc_data mt2701_data = {
+ .domains = scp_domain_data_mt2701,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ }
+};
- ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_ASYNC],
- pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+static const struct scp_soc_data mt6797_data = {
+ .domains = scp_domain_data_mt6797,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
+ .subdomains = scp_subdomain_mt6797,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS_MT6797,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
+ }
+};
- ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D],
- pd_data->domains[MT8173_POWER_DOMAIN_MFG]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+static const struct scp_soc_data mt7622_data = {
+ .domains = scp_domain_data_mt7622,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ }
+};
- return 0;
-}
+static const struct scp_soc_data mt8173_data = {
+ .domains = scp_domain_data_mt8173,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
+ .subdomains = scp_subdomain_mt8173,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ }
+};
/*
* scpsys driver init
@@ -830,13 +857,16 @@ static int __init scpsys_probe_mt8173(struct platform_device *pdev)
static const struct of_device_id of_scpsys_match_tbl[] = {
{
.compatible = "mediatek,mt2701-scpsys",
- .data = scpsys_probe_mt2701,
+ .data = &mt2701_data,
}, {
.compatible = "mediatek,mt6797-scpsys",
- .data = scpsys_probe_mt6797,
+ .data = &mt6797_data,
+ }, {
+ .compatible = "mediatek,mt7622-scpsys",
+ .data = &mt7622_data,
}, {
.compatible = "mediatek,mt8173-scpsys",
- .data = scpsys_probe_mt8173,
+ .data = &mt8173_data,
}, {
/* sentinel */
}
@@ -844,16 +874,33 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
static int scpsys_probe(struct platform_device *pdev)
{
- int (*probe)(struct platform_device *);
- const struct of_device_id *of_id;
+ const struct of_device_id *match;
+ const struct scp_subdomain *sd;
+ const struct scp_soc_data *soc;
+ struct scp *scp;
+ struct genpd_onecell_data *pd_data;
+ int i, ret;
- of_id = of_match_node(of_scpsys_match_tbl, pdev->dev.of_node);
- if (!of_id || !of_id->data)
- return -EINVAL;
+ match = of_match_device(of_scpsys_match_tbl, &pdev->dev);
+ soc = (const struct scp_soc_data *)match->data;
+
+ scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs);
+ if (IS_ERR(scp))
+ return PTR_ERR(scp);
- probe = of_id->data;
+ mtk_register_power_domains(pdev, scp, soc->num_domains);
- return probe(pdev);
+ pd_data = &scp->pd_data;
+
+ for (i = 0, sd = soc->subdomains ; i < soc->num_subdomains ; i++) {
+ ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
+ pd_data->domains[sd->subdomain]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
+ ret);
+ }
+
+ return 0;
}
static struct platform_driver scpsys_drv = {
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index d0fc331972d2..b00bccddcd3b 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -1,6 +1,8 @@
#
# QCOM Soc drivers
#
+menu "Qualcomm SoC drivers"
+
config QCOM_GLINK_SSR
tristate "Qualcomm Glink SSR driver"
depends on RPMSG
@@ -83,3 +85,5 @@ config QCOM_WCNSS_CTRL
help
Client driver for the WCNSS_CTRL SMD channel, used to download nv
firmware to a newly booted WCNSS chip.
+
+endmenu
diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c
index bd63df0d14e0..08bd8549242a 100644
--- a/drivers/soc/qcom/mdt_loader.c
+++ b/drivers/soc/qcom/mdt_loader.c
@@ -178,14 +178,13 @@ int qcom_mdt_load(struct device *dev, const struct firmware *fw,
if (phdr->p_filesz) {
sprintf(fw_name + fw_name_len - 3, "b%02d", i);
- ret = request_firmware(&seg_fw, fw_name, dev);
+ ret = request_firmware_into_buf(&seg_fw, fw_name, dev,
+ ptr, phdr->p_filesz);
if (ret) {
dev_err(dev, "failed to load %s\n", fw_name);
break;
}
- memcpy(ptr, seg_fw->data, seg_fw->size);
-
release_firmware(seg_fw);
}
diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c
index dc540ea92e9d..403bea9d546b 100644
--- a/drivers/soc/qcom/smsm.c
+++ b/drivers/soc/qcom/smsm.c
@@ -496,7 +496,8 @@ static int qcom_smsm_probe(struct platform_device *pdev)
if (!smsm->hosts)
return -ENOMEM;
- local_node = of_find_node_with_property(pdev->dev.of_node, "#qcom,smem-state-cells");
+ local_node = of_find_node_with_property(of_node_get(pdev->dev.of_node),
+ "#qcom,smem-state-cells");
if (!local_node) {
dev_err(&pdev->dev, "no state entry\n");
return -EINVAL;
diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c
index b9069184df19..d008e5b82db4 100644
--- a/drivers/soc/qcom/wcnss_ctrl.c
+++ b/drivers/soc/qcom/wcnss_ctrl.c
@@ -347,6 +347,7 @@ static const struct of_device_id wcnss_ctrl_of_match[] = {
{ .compatible = "qcom,wcnss", },
{}
};
+MODULE_DEVICE_TABLE(of, wcnss_ctrl_of_match);
static struct rpmsg_driver wcnss_ctrl_driver = {
.probe = wcnss_ctrl_probe,
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 87a4be46bd98..567414cb42ba 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -3,7 +3,7 @@ config SOC_RENESAS
default y if ARCH_RENESAS
select SOC_BUS
select RST_RCAR if ARCH_RCAR_GEN1 || ARCH_RCAR_GEN2 || \
- ARCH_R8A7795 || ARCH_R8A7796
+ ARCH_R8A7795 || ARCH_R8A7796 || ARCH_R8A77995
select SYSC_R8A7743 if ARCH_R8A7743
select SYSC_R8A7745 if ARCH_R8A7745
select SYSC_R8A7779 if ARCH_R8A7779
@@ -13,6 +13,7 @@ config SOC_RENESAS
select SYSC_R8A7794 if ARCH_R8A7794
select SYSC_R8A7795 if ARCH_R8A7795
select SYSC_R8A7796 if ARCH_R8A7796
+ select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@@ -53,6 +54,10 @@ config SYSC_R8A7796
bool "R-Car M3-W System Controller support" if COMPILE_TEST
select SYSC_RCAR
+config SYSC_R8A77995
+ bool "R-Car D3 System Controller support" if COMPILE_TEST
+ select SYSC_RCAR
+
# Family
config RST_RCAR
bool "R-Car Reset Controller support" if COMPILE_TEST
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 1a1a297b26a7..6b6e7f16104c 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
obj-$(CONFIG_SYSC_R8A7796) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family
obj-$(CONFIG_RST_RCAR) += rcar-rst.o
diff --git a/drivers/soc/renesas/r8a77995-sysc.c b/drivers/soc/renesas/r8a77995-sysc.c
new file mode 100644
index 000000000000..f718429cab02
--- /dev/null
+++ b/drivers/soc/renesas/r8a77995-sysc.c
@@ -0,0 +1,31 @@
+/*
+ * Renesas R-Car D3 System Controller
+ *
+ * Copyright (C) 2017 Glider bvba
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a77995-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a77995_areas[] __initdata = {
+ { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
+ PD_CPU_NOCR },
+};
+
+
+const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
+ .areas = r8a77995_areas,
+ .num_areas = ARRAY_SIZE(r8a77995_areas),
+};
diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index a6d1c26d3167..baa47014e96b 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -41,6 +41,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
/* R-Car Gen3 is handled like R-Car Gen2 */
{ .compatible = "renesas,r8a7795-rst", .data = &rcar_rst_gen2 },
{ .compatible = "renesas,r8a7796-rst", .data = &rcar_rst_gen2 },
+ { .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen2 },
{ /* sentinel */ }
};
@@ -61,7 +62,7 @@ static int __init rcar_rst_init(void)
base = of_iomap(np, 0);
if (!base) {
- pr_warn("%s: Cannot map regs\n", np->full_name);
+ pr_warn("%pOF: Cannot map regs\n", np);
error = -ENOMEM;
goto out_put;
}
@@ -70,7 +71,7 @@ static int __init rcar_rst_init(void)
cfg = match->data;
saved_mode = ioread32(base + cfg->modemr);
- pr_debug("%s: MODE = 0x%08x\n", np->full_name, saved_mode);
+ pr_debug("%pOF: MODE = 0x%08x\n", np, saved_mode);
out_put:
of_node_put(np);
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 7c8da3c90011..c8406e81640f 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -284,6 +284,9 @@ static const struct of_device_id rcar_sysc_matches[] = {
#ifdef CONFIG_SYSC_R8A7796
{ .compatible = "renesas,r8a7796-sysc", .data = &r8a7796_sysc_info },
#endif
+#ifdef CONFIG_SYSC_R8A77995
+ { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
+#endif
{ /* sentinel */ }
};
@@ -323,7 +326,7 @@ static int __init rcar_sysc_pd_init(void)
base = of_iomap(np, 0);
if (!base) {
- pr_warn("%s: Cannot map regs\n", np->full_name);
+ pr_warn("%pOF: Cannot map regs\n", np);
error = -ENOMEM;
goto out_put;
}
@@ -348,13 +351,13 @@ static int __init rcar_sysc_pd_init(void)
*/
syscimr = ioread32(base + SYSCIMR);
syscimr |= syscier;
- pr_debug("%s: syscimr = 0x%08x\n", np->full_name, syscimr);
+ pr_debug("%pOF: syscimr = 0x%08x\n", np, syscimr);
iowrite32(syscimr, base + SYSCIMR);
/*
* SYSC needs all interrupt sources enabled to control power.
*/
- pr_debug("%s: syscier = 0x%08x\n", np->full_name, syscier);
+ pr_debug("%pOF: syscier = 0x%08x\n", np, syscier);
iowrite32(syscier, base + SYSCIER);
for (i = 0; i < info->num_areas; i++) {
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 1a5bebaf54ba..2f524922c4d2 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -58,6 +58,7 @@ extern const struct rcar_sysc_info r8a7792_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
extern const struct rcar_sysc_info r8a7795_sysc_info;
extern const struct rcar_sysc_info r8a7796_sysc_info;
+extern const struct rcar_sysc_info r8a77995_sysc_info;
/*
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index ca26f13d399c..90d6b7a4340a 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -144,6 +144,11 @@ static const struct renesas_soc soc_rcar_m3_w __initconst __maybe_unused = {
.id = 0x52,
};
+static const struct renesas_soc soc_rcar_d3 __initconst __maybe_unused = {
+ .family = &fam_rcar_gen3,
+ .id = 0x58,
+};
+
static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = {
.family = &fam_shmobile,
.id = 0x37,
@@ -199,6 +204,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
#ifdef CONFIG_ARCH_R8A7796
{ .compatible = "renesas,r8a7796", .data = &soc_rcar_m3_w },
#endif
+#ifdef CONFIG_ARCH_R8A77995
+ { .compatible = "renesas,r8a77995", .data = &soc_rcar_d3 },
+#endif
#ifdef CONFIG_ARCH_SH73A0
{ .compatible = "renesas,sh73a0", .data = &soc_shmobile_ag5 },
#endif
diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c
index d61db34ad6dd..15e71fd6c513 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -54,6 +54,17 @@ static const struct rockchip_grf_info rk3288_grf __initconst = {
.num_values = ARRAY_SIZE(rk3288_defaults),
};
+#define RK3328_GRF_SOC_CON4 0x410
+
+static const struct rockchip_grf_value rk3328_defaults[] __initconst = {
+ { "jtag switching", RK3328_GRF_SOC_CON4, HIWORD_UPDATE(0, 1, 12) },
+};
+
+static const struct rockchip_grf_info rk3328_grf __initconst = {
+ .values = rk3328_defaults,
+ .num_values = ARRAY_SIZE(rk3328_defaults),
+};
+
#define RK3368_GRF_SOC_CON15 0x43c
static const struct rockchip_grf_value rk3368_defaults[] __initconst = {
@@ -84,6 +95,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
.compatible = "rockchip,rk3288-grf",
.data = (void *)&rk3288_grf,
}, {
+ .compatible = "rockchip,rk3328-grf",
+ .data = (void *)&rk3328_grf,
+ }, {
.compatible = "rockchip,rk3368-grf",
.data = (void *)&rk3368_grf,
}, {
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 796c46a6cbe7..40b75748835f 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -20,6 +20,7 @@
#include <linux/mfd/syscon.h>
#include <dt-bindings/power/rk3288-power.h>
#include <dt-bindings/power/rk3328-power.h>
+#include <dt-bindings/power/rk3366-power.h>
#include <dt-bindings/power/rk3368-power.h>
#include <dt-bindings/power/rk3399-power.h>
@@ -730,6 +731,16 @@ static const struct rockchip_domain_info rk3328_pm_domains[] = {
[RK3328_PD_VPU] = DOMAIN_RK3328(-1, 9, 9, false),
};
+static const struct rockchip_domain_info rk3366_pm_domains[] = {
+ [RK3366_PD_PERI] = DOMAIN_RK3368(10, 10, 6, true),
+ [RK3366_PD_VIO] = DOMAIN_RK3368(14, 14, 8, false),
+ [RK3366_PD_VIDEO] = DOMAIN_RK3368(13, 13, 7, false),
+ [RK3366_PD_RKVDEC] = DOMAIN_RK3368(11, 11, 7, false),
+ [RK3366_PD_WIFIBT] = DOMAIN_RK3368(8, 8, 9, false),
+ [RK3366_PD_VPU] = DOMAIN_RK3368(12, 12, 7, false),
+ [RK3366_PD_GPU] = DOMAIN_RK3368(15, 15, 2, false),
+};
+
static const struct rockchip_domain_info rk3368_pm_domains[] = {
[RK3368_PD_PERI] = DOMAIN_RK3368(13, 12, 6, true),
[RK3368_PD_VIO] = DOMAIN_RK3368(15, 14, 8, false),
@@ -794,6 +805,23 @@ static const struct rockchip_pmu_info rk3328_pmu = {
.domain_info = rk3328_pm_domains,
};
+static const struct rockchip_pmu_info rk3366_pmu = {
+ .pwr_offset = 0x0c,
+ .status_offset = 0x10,
+ .req_offset = 0x3c,
+ .idle_offset = 0x40,
+ .ack_offset = 0x40,
+
+ .core_pwrcnt_offset = 0x48,
+ .gpu_pwrcnt_offset = 0x50,
+
+ .core_power_transition_time = 24,
+ .gpu_power_transition_time = 24,
+
+ .num_domains = ARRAY_SIZE(rk3366_pm_domains),
+ .domain_info = rk3366_pm_domains,
+};
+
static const struct rockchip_pmu_info rk3368_pmu = {
.pwr_offset = 0x0c,
.status_offset = 0x10,
@@ -834,6 +862,10 @@ static const struct of_device_id rockchip_pm_domain_dt_match[] = {
.data = (void *)&rk3328_pmu,
},
{
+ .compatible = "rockchip,rk3366-power-controller",
+ .data = (void *)&rk3366_pmu,
+ },
+ {
.compatible = "rockchip,rk3368-power-controller",
.data = (void *)&rk3368_pmu,
},
diff --git a/drivers/soc/samsung/pm_domains.c b/drivers/soc/samsung/pm_domains.c
index a6a5d807cc2b..7c4fec1f93b5 100644
--- a/drivers/soc/samsung/pm_domains.c
+++ b/drivers/soc/samsung/pm_domains.c
@@ -147,7 +147,7 @@ static __init const char *exynos_get_domain_name(struct device_node *node)
const char *name;
if (of_property_read_string(node, "label", &name) < 0)
- name = strrchr(node->full_name, '/') + 1;
+ name = kbasename(node->full_name);
return kstrdup_const(name, GFP_KERNEL);
}
@@ -237,11 +237,11 @@ no_clk:
continue;
if (of_genpd_add_subdomain(&parent, &child))
- pr_warn("%s failed to add subdomain: %s\n",
- parent.np->full_name, child.np->full_name);
+ pr_warn("%pOF failed to add subdomain: %pOF\n",
+ parent.np, child.np);
else
- pr_info("%s has as child subdomain: %s.\n",
- parent.np->full_name, child.np->full_name);
+ pr_info("%pOF has as child subdomain: %pOF.\n",
+ parent.np, child.np);
}
return 0;
diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c
index 99e354c8f53f..882be5ed7e84 100644
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -23,6 +23,7 @@
struct sunxi_sram_func {
char *func;
u8 val;
+ u32 reg_val;
};
struct sunxi_sram_data {
@@ -39,10 +40,11 @@ struct sunxi_sram_desc {
bool claimed;
};
-#define SUNXI_SRAM_MAP(_val, _func) \
+#define SUNXI_SRAM_MAP(_reg_val, _val, _func) \
{ \
.func = _func, \
.val = _val, \
+ .reg_val = _reg_val, \
}
#define SUNXI_SRAM_DATA(_name, _reg, _off, _width, ...) \
@@ -57,14 +59,20 @@ struct sunxi_sram_desc {
static struct sunxi_sram_desc sun4i_a10_sram_a3_a4 = {
.data = SUNXI_SRAM_DATA("A3-A4", 0x4, 0x4, 2,
- SUNXI_SRAM_MAP(0, "cpu"),
- SUNXI_SRAM_MAP(1, "emac")),
+ SUNXI_SRAM_MAP(0, 0, "cpu"),
+ SUNXI_SRAM_MAP(1, 1, "emac")),
};
static struct sunxi_sram_desc sun4i_a10_sram_d = {
.data = SUNXI_SRAM_DATA("D", 0x4, 0x0, 1,
- SUNXI_SRAM_MAP(0, "cpu"),
- SUNXI_SRAM_MAP(1, "usb-otg")),
+ SUNXI_SRAM_MAP(0, 0, "cpu"),
+ SUNXI_SRAM_MAP(1, 1, "usb-otg")),
+};
+
+static struct sunxi_sram_desc sun50i_a64_sram_c = {
+ .data = SUNXI_SRAM_DATA("C", 0x4, 24, 1,
+ SUNXI_SRAM_MAP(0, 1, "cpu"),
+ SUNXI_SRAM_MAP(1, 0, "de2")),
};
static const struct of_device_id sunxi_sram_dt_ids[] = {
@@ -76,6 +84,10 @@ static const struct of_device_id sunxi_sram_dt_ids[] = {
.compatible = "allwinner,sun4i-a10-sram-d",
.data = &sun4i_a10_sram_d.data,
},
+ {
+ .compatible = "allwinner,sun50i-a64-sram-c",
+ .data = &sun50i_a64_sram_c.data,
+ },
{}
};
@@ -121,7 +133,8 @@ static int sunxi_sram_show(struct seq_file *s, void *data)
for (func = sram_data->func; func->func; func++) {
seq_printf(s, "\t\t%s%c\n", func->func,
- func->val == val ? '*' : ' ');
+ func->reg_val == val ?
+ '*' : ' ');
}
}
@@ -149,10 +162,13 @@ static inline struct sunxi_sram_desc *to_sram_desc(const struct sunxi_sram_data
}
static const struct sunxi_sram_data *sunxi_sram_of_parse(struct device_node *node,
- unsigned int *value)
+ unsigned int *reg_value)
{
const struct of_device_id *match;
+ const struct sunxi_sram_data *data;
+ struct sunxi_sram_func *func;
struct of_phandle_args args;
+ u8 val;
int ret;
ret = of_parse_phandle_with_fixed_args(node, "allwinner,sram", 1, 0,
@@ -165,8 +181,7 @@ static const struct sunxi_sram_data *sunxi_sram_of_parse(struct device_node *nod
goto err;
}
- if (value)
- *value = args.args[0];
+ val = args.args[0];
match = of_match_node(sunxi_sram_dt_ids, args.np);
if (!match) {
@@ -174,6 +189,26 @@ static const struct sunxi_sram_data *sunxi_sram_of_parse(struct device_node *nod
goto err;
}
+ data = match->data;
+ if (!data) {
+ ret = -EINVAL;
+ goto err;
+ };
+
+ for (func = data->func; func->func; func++) {
+ if (val == func->val) {
+ if (reg_value)
+ *reg_value = func->reg_val;
+
+ break;
+ }
+ }
+
+ if (!func->func) {
+ ret = -EINVAL;
+ goto err;
+ }
+
of_node_put(args.np);
return match->data;
@@ -190,6 +225,9 @@ int sunxi_sram_claim(struct device *dev)
u32 val, mask;
if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ if (!base)
return -EPROBE_DEFER;
if (!dev || !dev->of_node)
@@ -267,6 +305,7 @@ static int sunxi_sram_probe(struct platform_device *pdev)
static const struct of_device_id sunxi_sram_dt_match[] = {
{ .compatible = "allwinner,sun4i-a10-sram-controller" },
+ { .compatible = "allwinner,sun50i-a64-sram-controller" },
{ },
};
MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match);
diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig
index 1beb7c347344..e9e277178c94 100644
--- a/drivers/soc/tegra/Kconfig
+++ b/drivers/soc/tegra/Kconfig
@@ -107,6 +107,11 @@ config ARCH_TEGRA_186_SOC
endif
endif
+config SOC_TEGRA_FUSE
+ def_bool y
+ depends on ARCH_TEGRA
+ select SOC_BUS
+
config SOC_TEGRA_FLOWCTRL
bool
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 7413f60fa855..b7c552e3133c 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -19,10 +19,12 @@
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/init.h>
-#include <linux/platform_device.h>
+#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <soc/tegra/common.h>
#include <soc/tegra/fuse.h>
@@ -210,6 +212,31 @@ static void tegra_enable_fuse_clk(void __iomem *base)
writel(reg, base + 0x14);
}
+struct device * __init tegra_soc_device_register(void)
+{
+ struct soc_device_attribute *attr;
+ struct soc_device *dev;
+
+ attr = kzalloc(sizeof(*attr), GFP_KERNEL);
+ if (!attr)
+ return NULL;
+
+ attr->family = kasprintf(GFP_KERNEL, "Tegra");
+ attr->revision = kasprintf(GFP_KERNEL, "%d", tegra_sku_info.revision);
+ attr->soc_id = kasprintf(GFP_KERNEL, "%u", tegra_get_chip_id());
+
+ dev = soc_device_register(attr);
+ if (IS_ERR(dev)) {
+ kfree(attr->soc_id);
+ kfree(attr->revision);
+ kfree(attr->family);
+ kfree(attr);
+ return ERR_CAST(dev);
+ }
+
+ return soc_device_to_device(dev);
+}
+
static int __init tegra_init_fuse(void)
{
const struct of_device_id *match;
@@ -311,6 +338,31 @@ static int __init tegra_init_fuse(void)
pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n",
tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id);
+
return 0;
}
early_initcall(tegra_init_fuse);
+
+#ifdef CONFIG_ARM64
+static int __init tegra_init_soc(void)
+{
+ struct device_node *np;
+ struct device *soc;
+
+ /* make sure we're running on Tegra */
+ np = of_find_matching_node(NULL, tegra_fuse_match);
+ if (!np)
+ return 0;
+
+ of_node_put(np);
+
+ soc = tegra_soc_device_register();
+ if (IS_ERR(soc)) {
+ pr_err("failed to register SoC device: %ld\n", PTR_ERR(soc));
+ return PTR_ERR(soc);
+ }
+
+ return 0;
+}
+device_initcall(tegra_init_soc);
+#endif
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index e233dd5dcab3..0453ff6839a7 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -918,10 +918,8 @@ static void tegra_powergate_init(struct tegra_pmc *pmc,
if (!np)
return;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node(np, child)
tegra_powergate_add(pmc, child);
- of_node_put(child);
- }
of_node_put(np);
}
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 58169e519422..7952357df9c8 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -224,13 +224,14 @@ static void optee_release(struct tee_context *ctx)
if (!IS_ERR(shm)) {
arg = tee_shm_get_va(shm, 0);
/*
- * If va2pa fails for some reason, we can't call
- * optee_close_session(), only free the memory. Secure OS
- * will leak sessions and finally refuse more sessions, but
- * we will at least let normal world reclaim its memory.
+ * If va2pa fails for some reason, we can't call into
+ * secure world, only free the memory. Secure OS will leak
+ * sessions and finally refuse more sessions, but we will
+ * at least let normal world reclaim its memory.
*/
if (!IS_ERR(arg))
- tee_shm_va2pa(shm, arg, &parg);
+ if (tee_shm_va2pa(shm, arg, &parg))
+ arg = NULL; /* prevent usage of parg below */
}
list_for_each_entry_safe(sess, sess_tmp, &ctxdata->sess_list,
@@ -258,7 +259,7 @@ static void optee_release(struct tee_context *ctx)
}
}
-static struct tee_driver_ops optee_ops = {
+static const struct tee_driver_ops optee_ops = {
.get_version = optee_get_version,
.open = optee_open,
.release = optee_release,
@@ -268,13 +269,13 @@ static struct tee_driver_ops optee_ops = {
.cancel_req = optee_cancel_req,
};
-static struct tee_desc optee_desc = {
+static const struct tee_desc optee_desc = {
.name = DRIVER_NAME "-clnt",
.ops = &optee_ops,
.owner = THIS_MODULE,
};
-static struct tee_driver_ops optee_supp_ops = {
+static const struct tee_driver_ops optee_supp_ops = {
.get_version = optee_get_version,
.open = optee_open,
.release = optee_release,
@@ -282,7 +283,7 @@ static struct tee_driver_ops optee_supp_ops = {
.supp_send = optee_supp_send,
};
-static struct tee_desc optee_supp_desc = {
+static const struct tee_desc optee_supp_desc = {
.name = DRIVER_NAME "-supp",
.ops = &optee_supp_ops,
.owner = THIS_MODULE,
diff --git a/drivers/tee/optee/optee_smc.h b/drivers/tee/optee/optee_smc.h
index 13b7c98cdf25..069c8e1429de 100644
--- a/drivers/tee/optee/optee_smc.h
+++ b/drivers/tee/optee/optee_smc.h
@@ -298,7 +298,7 @@ struct optee_smc_disable_shm_cache_result {
OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_ENABLE_SHM_CACHE)
/*
- * Resume from RPC (for example after processing an IRQ)
+ * Resume from RPC (for example after processing a foreign interrupt)
*
* Call register usage:
* a0 SMC Function ID, OPTEE_SMC_CALL_RETURN_FROM_RPC
@@ -383,19 +383,19 @@ struct optee_smc_disable_shm_cache_result {
OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_FREE)
/*
- * Deliver an IRQ in normal world.
+ * Deliver foreign interrupt to normal world.
*
* "Call" register usage:
- * a0 OPTEE_SMC_RETURN_RPC_IRQ
+ * a0 OPTEE_SMC_RETURN_RPC_FOREIGN_INTR
* a1-7 Resume information, must be preserved
*
* "Return" register usage:
* a0 SMC Function ID, OPTEE_SMC_CALL_RETURN_FROM_RPC.
* a1-7 Preserved
*/
-#define OPTEE_SMC_RPC_FUNC_IRQ 4
-#define OPTEE_SMC_RETURN_RPC_IRQ \
- OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_IRQ)
+#define OPTEE_SMC_RPC_FUNC_FOREIGN_INTR 4
+#define OPTEE_SMC_RETURN_RPC_FOREIGN_INTR \
+ OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_FOREIGN_INTR)
/*
* Do an RPC request. The supplied struct optee_msg_arg tells which
diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c
index 8814eca06021..cef417f4f4d2 100644
--- a/drivers/tee/optee/rpc.c
+++ b/drivers/tee/optee/rpc.c
@@ -140,11 +140,8 @@ static void handle_rpc_func_cmd_wait(struct optee_msg_arg *arg)
msec_to_wait = arg->params[0].u.value.a;
- /* set task's state to interruptible sleep */
- set_current_state(TASK_INTERRUPTIBLE);
-
- /* take a nap */
- msleep(msec_to_wait);
+ /* Go to interruptible sleep */
+ msleep_interruptible(msec_to_wait);
arg->ret = TEEC_SUCCESS;
return;
@@ -374,11 +371,11 @@ void optee_handle_rpc(struct tee_context *ctx, struct optee_rpc_param *param)
shm = reg_pair_to_ptr(param->a1, param->a2);
tee_shm_free(shm);
break;
- case OPTEE_SMC_RPC_FUNC_IRQ:
+ case OPTEE_SMC_RPC_FUNC_FOREIGN_INTR:
/*
- * An IRQ was raised while secure world was executing,
- * since all IRQs are handled in Linux a dummy RPC is
- * performed to let Linux take the IRQ through the normal
+ * A foreign interrupt was raised while secure world was
+ * executing, since they are handled in Linux a dummy RPC is
+ * performed to let Linux take the interrupt through the normal
* vector.
*/
break;
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index 5c60bf4423e6..58a5009eacc3 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -90,8 +90,13 @@ static int tee_ioctl_version(struct tee_context *ctx,
struct tee_ioctl_version_data vers;
ctx->teedev->desc->ops->get_version(ctx->teedev, &vers);
+
+ if (ctx->teedev->desc->flags & TEE_DESC_PRIVILEGED)
+ vers.gen_caps |= TEE_GEN_CAP_PRIVILEGED;
+
if (copy_to_user(uvers, &vers, sizeof(vers)))
return -EFAULT;
+
return 0;
}
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
index d356d7f025eb..4bc7956cefc4 100644
--- a/drivers/tee/tee_shm.c
+++ b/drivers/tee/tee_shm.c
@@ -80,7 +80,7 @@ static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
size, vma->vm_page_prot);
}
-static struct dma_buf_ops tee_shm_dma_buf_ops = {
+static const struct dma_buf_ops tee_shm_dma_buf_ops = {
.map_dma_buf = tee_shm_op_map_dma_buf,
.unmap_dma_buf = tee_shm_op_unmap_dma_buf,
.release = tee_shm_op_release,