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-rw-r--r--drivers/usb/typec/Kconfig1
-rw-r--r--drivers/usb/typec/anx7411.c8
-rw-r--r--drivers/usb/typec/hd3ss3220.c4
-rw-r--r--drivers/usb/typec/mux.c4
-rw-r--r--drivers/usb/typec/mux/fsa4480.c4
-rw-r--r--drivers/usb/typec/mux/intel_pmc_mux.c11
-rw-r--r--drivers/usb/typec/mux/pi3usb30532.c3
-rw-r--r--drivers/usb/typec/qcom-pmic-typec.c5
-rw-r--r--drivers/usb/typec/retimer.c2
-rw-r--r--drivers/usb/typec/rt1719.c4
-rw-r--r--drivers/usb/typec/stusb160x.c11
-rw-r--r--drivers/usb/typec/tcpm/Kconfig11
-rw-r--r--drivers/usb/typec/tcpm/Makefile1
-rw-r--r--drivers/usb/typec/tcpm/fusb302.c11
-rw-r--r--drivers/usb/typec/tcpm/tcpci.c26
-rw-r--r--drivers/usb/typec/tcpm/tcpci_maxim.c4
-rw-r--r--drivers/usb/typec/tcpm/tcpci_mt6370.c207
-rw-r--r--drivers/usb/typec/tcpm/tcpci_rt1711h.c153
-rw-r--r--drivers/usb/typec/tipd/core.c4
-rw-r--r--drivers/usb/typec/ucsi/ucsi.c52
-rw-r--r--drivers/usb/typec/ucsi/ucsi_acpi.c10
-rw-r--r--drivers/usb/typec/ucsi/ucsi_ccg.c16
-rw-r--r--drivers/usb/typec/ucsi/ucsi_stm32g0.c6
-rw-r--r--drivers/usb/typec/wusb3801.c4
24 files changed, 439 insertions, 123 deletions
diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig
index 5defdfead653..831e7049977d 100644
--- a/drivers/usb/typec/Kconfig
+++ b/drivers/usb/typec/Kconfig
@@ -56,6 +56,7 @@ config TYPEC_ANX7411
tristate "Analogix ANX7411 Type-C DRP Port controller driver"
depends on I2C
depends on USB_ROLE_SWITCH
+ depends on POWER_SUPPLY
help
Say Y or M here if your system has Analogix ANX7411 Type-C DRP Port
controller driver.
diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c
index c0f0842d443c..b8f3b75fd7eb 100644
--- a/drivers/usb/typec/anx7411.c
+++ b/drivers/usb/typec/anx7411.c
@@ -1105,7 +1105,7 @@ static int anx7411_typec_switch_probe(struct anx7411_data *ctx,
int ret;
struct device_node *node;
- node = of_find_node_by_name(dev->of_node, "orientation_switch");
+ node = of_get_child_by_name(dev->of_node, "orientation_switch");
if (!node)
return 0;
@@ -1115,7 +1115,7 @@ static int anx7411_typec_switch_probe(struct anx7411_data *ctx,
return ret;
}
- node = of_find_node_by_name(dev->of_node, "mode_switch");
+ node = of_get_child_by_name(dev->of_node, "mode_switch");
if (!node) {
dev_err(dev, "no typec mux exist");
ret = -ENODEV;
@@ -1541,7 +1541,7 @@ free_i2c_dummy:
return ret;
}
-static int anx7411_i2c_remove(struct i2c_client *client)
+static void anx7411_i2c_remove(struct i2c_client *client)
{
struct anx7411_data *plat = i2c_get_clientdata(client);
@@ -1565,8 +1565,6 @@ static int anx7411_i2c_remove(struct i2c_client *client)
typec_unregister_port(plat->typec.port);
anx7411_port_unregister_altmodes(plat->typec.port_amode);
-
- return 0;
}
static const struct i2c_device_id anx7411_id[] = {
diff --git a/drivers/usb/typec/hd3ss3220.c b/drivers/usb/typec/hd3ss3220.c
index cd47c3597e19..2a58185fb14c 100644
--- a/drivers/usb/typec/hd3ss3220.c
+++ b/drivers/usb/typec/hd3ss3220.c
@@ -245,14 +245,12 @@ err_put_fwnode:
return ret;
}
-static int hd3ss3220_remove(struct i2c_client *client)
+static void hd3ss3220_remove(struct i2c_client *client)
{
struct hd3ss3220 *hd3ss3220 = i2c_get_clientdata(client);
typec_unregister_port(hd3ss3220->port);
usb_role_switch_put(hd3ss3220->role_sw);
-
- return 0;
}
static const struct of_device_id dev_ids[] = {
diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c
index 464330776cd6..941735c73161 100644
--- a/drivers/usb/typec/mux.c
+++ b/drivers/usb/typec/mux.c
@@ -29,7 +29,7 @@ static int switch_fwnode_match(struct device *dev, const void *fwnode)
if (!is_typec_switch_dev(dev))
return 0;
- return dev_fwnode(dev) == fwnode;
+ return device_match_fwnode(dev, fwnode);
}
static void *typec_switch_match(struct fwnode_handle *fwnode, const char *id,
@@ -259,7 +259,7 @@ static int mux_fwnode_match(struct device *dev, const void *fwnode)
if (!is_typec_mux_dev(dev))
return 0;
- return dev_fwnode(dev) == fwnode;
+ return device_match_fwnode(dev, fwnode);
}
static void *typec_mux_match(struct fwnode_handle *fwnode, const char *id,
diff --git a/drivers/usb/typec/mux/fsa4480.c b/drivers/usb/typec/mux/fsa4480.c
index 6184f5367190..d6495e533e58 100644
--- a/drivers/usb/typec/mux/fsa4480.c
+++ b/drivers/usb/typec/mux/fsa4480.c
@@ -181,14 +181,12 @@ static int fsa4480_probe(struct i2c_client *client)
return 0;
}
-static int fsa4480_remove(struct i2c_client *client)
+static void fsa4480_remove(struct i2c_client *client)
{
struct fsa4480 *fsa = i2c_get_clientdata(client);
typec_mux_unregister(fsa->mux);
typec_switch_unregister(fsa->sw);
-
- return 0;
}
static const struct i2c_device_id fsa4480_table[] = {
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index a8e273fe204a..e1f4df7238bf 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -569,15 +569,6 @@ err_unregister_switch:
return ret;
}
-static int is_memory(struct acpi_resource *res, void *data)
-{
- struct resource_win win = {};
- struct resource *r = &win.res;
-
- return !(acpi_dev_resource_memory(res, r) ||
- acpi_dev_resource_address_space(res, &win));
-}
-
/* IOM ACPI IDs and IOM_PORT_STATUS_OFFSET */
static const struct acpi_device_id iom_acpi_ids[] = {
/* TigerLake */
@@ -611,7 +602,7 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc)
return -ENODEV;
INIT_LIST_HEAD(&resource_list);
- ret = acpi_dev_get_resources(adev, &resource_list, is_memory, NULL);
+ ret = acpi_dev_get_memory_resources(adev, &resource_list);
if (ret < 0)
return ret;
diff --git a/drivers/usb/typec/mux/pi3usb30532.c b/drivers/usb/typec/mux/pi3usb30532.c
index 6ce9f282594e..1cd388b55c30 100644
--- a/drivers/usb/typec/mux/pi3usb30532.c
+++ b/drivers/usb/typec/mux/pi3usb30532.c
@@ -160,13 +160,12 @@ static int pi3usb30532_probe(struct i2c_client *client)
return 0;
}
-static int pi3usb30532_remove(struct i2c_client *client)
+static void pi3usb30532_remove(struct i2c_client *client)
{
struct pi3usb30532 *pi = i2c_get_clientdata(client);
typec_mux_unregister(pi->mux);
typec_switch_unregister(pi->sw);
- return 0;
}
static const struct i2c_device_id pi3usb30532_table[] = {
diff --git a/drivers/usb/typec/qcom-pmic-typec.c b/drivers/usb/typec/qcom-pmic-typec.c
index a0454a80c4a2..432ea62f1bab 100644
--- a/drivers/usb/typec/qcom-pmic-typec.c
+++ b/drivers/usb/typec/qcom-pmic-typec.c
@@ -195,9 +195,8 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
qcom_usb->role_sw = fwnode_usb_role_switch_get(dev_fwnode(qcom_usb->dev));
if (IS_ERR(qcom_usb->role_sw)) {
- if (PTR_ERR(qcom_usb->role_sw) != -EPROBE_DEFER)
- dev_err(dev, "failed to get role switch\n");
- ret = PTR_ERR(qcom_usb->role_sw);
+ ret = dev_err_probe(dev, PTR_ERR(qcom_usb->role_sw),
+ "failed to get role switch\n");
goto err_typec_port;
}
diff --git a/drivers/usb/typec/retimer.c b/drivers/usb/typec/retimer.c
index 2003731f1bee..ee94dbbe4745 100644
--- a/drivers/usb/typec/retimer.c
+++ b/drivers/usb/typec/retimer.c
@@ -31,7 +31,7 @@ static bool dev_name_ends_with(struct device *dev, const char *suffix)
static int retimer_fwnode_match(struct device *dev, const void *fwnode)
{
- return dev_fwnode(dev) == fwnode && dev_name_ends_with(dev, "-retimer");
+ return device_match_fwnode(dev, fwnode) && dev_name_ends_with(dev, "-retimer");
}
static void *typec_retimer_match(struct fwnode_handle *fwnode, const char *id, void *data)
diff --git a/drivers/usb/typec/rt1719.c b/drivers/usb/typec/rt1719.c
index f1b698edd7eb..ea8b700b0ceb 100644
--- a/drivers/usb/typec/rt1719.c
+++ b/drivers/usb/typec/rt1719.c
@@ -930,14 +930,12 @@ err_fwnode_put:
return ret;
}
-static int rt1719_remove(struct i2c_client *i2c)
+static void rt1719_remove(struct i2c_client *i2c)
{
struct rt1719_data *data = i2c_get_clientdata(i2c);
typec_unregister_port(data->port);
usb_role_switch_put(data->role_sw);
-
- return 0;
}
static const struct of_device_id __maybe_unused rt1719_device_table[] = {
diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c
index e7745d1c2a5c..494b371151e0 100644
--- a/drivers/usb/typec/stusb160x.c
+++ b/drivers/usb/typec/stusb160x.c
@@ -750,11 +750,8 @@ static int stusb160x_probe(struct i2c_client *client)
if (client->irq) {
chip->role_sw = fwnode_usb_role_switch_get(fwnode);
if (IS_ERR(chip->role_sw)) {
- ret = PTR_ERR(chip->role_sw);
- if (ret != -EPROBE_DEFER)
- dev_err(chip->dev,
- "Failed to get usb role switch: %d\n",
- ret);
+ ret = dev_err_probe(chip->dev, PTR_ERR(chip->role_sw),
+ "Failed to get usb role switch\n");
goto port_unregister;
}
@@ -801,7 +798,7 @@ fwnode_put:
return ret;
}
-static int stusb160x_remove(struct i2c_client *client)
+static void stusb160x_remove(struct i2c_client *client)
{
struct stusb160x *chip = i2c_get_clientdata(client);
@@ -823,8 +820,6 @@ static int stusb160x_remove(struct i2c_client *client)
if (chip->main_supply)
regulator_disable(chip->main_supply);
-
- return 0;
}
static int __maybe_unused stusb160x_suspend(struct device *dev)
diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig
index 073fd2ea5e0b..e6b88ca4a4b9 100644
--- a/drivers/usb/typec/tcpm/Kconfig
+++ b/drivers/usb/typec/tcpm/Kconfig
@@ -35,6 +35,17 @@ config TYPEC_MT6360
USB Type-C. It works with Type-C Port Controller Manager
to provide USB PD and USB Type-C functionalities.
+config TYPEC_TCPCI_MT6370
+ tristate "MediaTek MT6370 Type-C driver"
+ depends on MFD_MT6370
+ help
+ MediaTek MT6370 is a multi-functional IC that includes
+ USB Type-C. It works with Type-C Port Controller Manager
+ to provide USB PD and USB Type-C functionalities.
+
+ This driver can also be built as a module. The module
+ will be called "tcpci_mt6370".
+
config TYPEC_TCPCI_MAXIM
tristate "Maxim TCPCI based Type-C chip driver"
help
diff --git a/drivers/usb/typec/tcpm/Makefile b/drivers/usb/typec/tcpm/Makefile
index 7d499f3569fd..906d9dced8e7 100644
--- a/drivers/usb/typec/tcpm/Makefile
+++ b/drivers/usb/typec/tcpm/Makefile
@@ -6,4 +6,5 @@ typec_wcove-y := wcove.o
obj-$(CONFIG_TYPEC_TCPCI) += tcpci.o
obj-$(CONFIG_TYPEC_RT1711H) += tcpci_rt1711h.o
obj-$(CONFIG_TYPEC_MT6360) += tcpci_mt6360.o
+obj-$(CONFIG_TYPEC_TCPCI_MT6370) += tcpci_mt6370.o
obj-$(CONFIG_TYPEC_TCPCI_MAXIM) += tcpci_maxim.o
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 96c55eaf3f80..721b2a548084 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -151,7 +151,7 @@ static void _fusb302_log(struct fusb302_chip *chip, const char *fmt,
if (fusb302_log_full(chip)) {
chip->logbuffer_head = max(chip->logbuffer_head - 1, 0);
- strlcpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
+ strscpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
}
if (chip->logbuffer_head < 0 ||
@@ -1743,9 +1743,8 @@ static int fusb302_probe(struct i2c_client *client,
chip->tcpm_port = tcpm_register_port(&client->dev, &chip->tcpc_dev);
if (IS_ERR(chip->tcpm_port)) {
fwnode_handle_put(chip->tcpc_dev.fwnode);
- ret = PTR_ERR(chip->tcpm_port);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "cannot register tcpm port, ret=%d", ret);
+ ret = dev_err_probe(dev, PTR_ERR(chip->tcpm_port),
+ "cannot register tcpm port\n");
goto destroy_workqueue;
}
@@ -1771,7 +1770,7 @@ destroy_workqueue:
return ret;
}
-static int fusb302_remove(struct i2c_client *client)
+static void fusb302_remove(struct i2c_client *client)
{
struct fusb302_chip *chip = i2c_get_clientdata(client);
@@ -1783,8 +1782,6 @@ static int fusb302_remove(struct i2c_client *client)
fwnode_handle_put(chip->tcpc_dev.fwnode);
destroy_workqueue(chip->wq);
fusb302_debugfs_exit(chip);
-
- return 0;
}
static int fusb302_pm_suspend(struct device *dev)
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 812784702d53..b2bfcebe218f 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -27,11 +27,6 @@
#define VPPS_VALID_MIN_MV 100
#define VSINKDISCONNECT_PD_MIN_PERCENT 90
-#define tcpc_presenting_rd(reg, cc) \
- (!(TCPC_ROLE_CTRL_DRP & (reg)) && \
- (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
- (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
-
struct tcpci {
struct device *dev;
@@ -218,23 +213,6 @@ static int tcpci_start_toggling(struct tcpc_dev *tcpc,
TCPC_CMD_LOOK4CONNECTION);
}
-static enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink)
-{
- switch (cc) {
- case 0x1:
- return sink ? TYPEC_CC_RP_DEF : TYPEC_CC_RA;
- case 0x2:
- return sink ? TYPEC_CC_RP_1_5 : TYPEC_CC_RD;
- case 0x3:
- if (sink)
- return TYPEC_CC_RP_3_0;
- fallthrough;
- case 0x0:
- default:
- return TYPEC_CC_OPEN;
- }
-}
-
static int tcpci_get_cc(struct tcpc_dev *tcpc,
enum typec_cc_status *cc1, enum typec_cc_status *cc2)
{
@@ -868,7 +846,7 @@ static int tcpci_probe(struct i2c_client *client,
return 0;
}
-static int tcpci_remove(struct i2c_client *client)
+static void tcpci_remove(struct i2c_client *client)
{
struct tcpci_chip *chip = i2c_get_clientdata(client);
int err;
@@ -879,8 +857,6 @@ static int tcpci_remove(struct i2c_client *client)
dev_warn(&client->dev, "Failed to disable irqs (%pe)\n", ERR_PTR(err));
tcpci_unregister_port(chip->tcpci);
-
- return 0;
}
static const struct i2c_device_id tcpci_id[] = {
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
index 4b6705f3d7b7..03f89e6f1a78 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.c
@@ -492,14 +492,12 @@ unreg_port:
return ret;
}
-static int max_tcpci_remove(struct i2c_client *client)
+static void max_tcpci_remove(struct i2c_client *client)
{
struct max_tcpci_chip *chip = i2c_get_clientdata(client);
if (!IS_ERR_OR_NULL(chip->tcpci))
tcpci_unregister_port(chip->tcpci);
-
- return 0;
}
static const struct i2c_device_id max_tcpci_id[] = {
diff --git a/drivers/usb/typec/tcpm/tcpci_mt6370.c b/drivers/usb/typec/tcpm/tcpci_mt6370.c
new file mode 100644
index 000000000000..c5bb201a5163
--- /dev/null
+++ b/drivers/usb/typec/tcpm/tcpci_mt6370.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Richtek Technology Corp.
+ *
+ * Author: ChiYuan Huang <cy_huang@richtek.com>
+ */
+
+#include <linux/bits.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_wakeup.h>
+#include <linux/pm_wakeirq.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/usb/tcpci.h>
+#include <linux/usb/tcpm.h>
+
+#define MT6370_REG_SYSCTRL8 0x9B
+
+#define MT6370_AUTOIDLE_MASK BIT(3)
+
+#define MT6370_VENDOR_ID 0x29CF
+#define MT6370_TCPC_DID_A 0x2170
+
+struct mt6370_priv {
+ struct device *dev;
+ struct regulator *vbus;
+ struct tcpci *tcpci;
+ struct tcpci_data tcpci_data;
+};
+
+static const struct reg_sequence mt6370_reg_init[] = {
+ REG_SEQ(0xA0, 0x1, 1000),
+ REG_SEQ(0x81, 0x38, 0),
+ REG_SEQ(0x82, 0x82, 0),
+ REG_SEQ(0xBA, 0xFC, 0),
+ REG_SEQ(0xBB, 0x50, 0),
+ REG_SEQ(0x9E, 0x8F, 0),
+ REG_SEQ(0xA1, 0x5, 0),
+ REG_SEQ(0xA2, 0x4, 0),
+ REG_SEQ(0xA3, 0x4A, 0),
+ REG_SEQ(0xA4, 0x01, 0),
+ REG_SEQ(0x95, 0x01, 0),
+ REG_SEQ(0x80, 0x71, 0),
+ REG_SEQ(0x9B, 0x3A, 1000),
+};
+
+static int mt6370_tcpc_init(struct tcpci *tcpci, struct tcpci_data *data)
+{
+ u16 did;
+ int ret;
+
+ ret = regmap_register_patch(data->regmap, mt6370_reg_init,
+ ARRAY_SIZE(mt6370_reg_init));
+ if (ret)
+ return ret;
+
+ ret = regmap_raw_read(data->regmap, TCPC_BCD_DEV, &did, sizeof(u16));
+ if (ret)
+ return ret;
+
+ if (did == MT6370_TCPC_DID_A)
+ return regmap_write(data->regmap, TCPC_FAULT_CTRL, 0x80);
+
+ return 0;
+}
+
+static int mt6370_tcpc_set_vconn(struct tcpci *tcpci, struct tcpci_data *data,
+ bool enable)
+{
+ return regmap_update_bits(data->regmap, MT6370_REG_SYSCTRL8,
+ MT6370_AUTOIDLE_MASK,
+ enable ? 0 : MT6370_AUTOIDLE_MASK);
+}
+
+static int mt6370_tcpc_set_vbus(struct tcpci *tcpci, struct tcpci_data *data,
+ bool source, bool sink)
+{
+ struct mt6370_priv *priv = container_of(data, struct mt6370_priv,
+ tcpci_data);
+ int ret;
+
+ ret = regulator_is_enabled(priv->vbus);
+ if (ret < 0)
+ return ret;
+
+ if (ret && !source)
+ return regulator_disable(priv->vbus);
+
+ if (!ret && source)
+ return regulator_enable(priv->vbus);
+
+ return 0;
+}
+
+static irqreturn_t mt6370_irq_handler(int irq, void *dev_id)
+{
+ struct mt6370_priv *priv = dev_id;
+
+ return tcpci_irq(priv->tcpci);
+}
+
+static int mt6370_check_vendor_info(struct mt6370_priv *priv)
+{
+ struct regmap *regmap = priv->tcpci_data.regmap;
+ u16 vid;
+ int ret;
+
+ ret = regmap_raw_read(regmap, TCPC_VENDOR_ID, &vid, sizeof(u16));
+ if (ret)
+ return ret;
+
+ if (vid != MT6370_VENDOR_ID)
+ return dev_err_probe(priv->dev, -ENODEV,
+ "Vendor ID not correct 0x%02x\n", vid);
+
+ return 0;
+}
+
+static void mt6370_unregister_tcpci_port(void *tcpci)
+{
+ tcpci_unregister_port(tcpci);
+}
+
+static int mt6370_tcpc_probe(struct platform_device *pdev)
+{
+ struct mt6370_priv *priv;
+ struct device *dev = &pdev->dev;
+ int irq, ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->dev = dev;
+
+ priv->tcpci_data.regmap = dev_get_regmap(dev->parent, NULL);
+ if (!priv->tcpci_data.regmap)
+ return dev_err_probe(dev, -ENODEV, "Failed to init regmap\n");
+
+ ret = mt6370_check_vendor_info(priv);
+ if (ret)
+ return ret;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return dev_err_probe(dev, irq, "Failed to get irq\n");
+
+ /* Assign TCPCI feature and ops */
+ priv->tcpci_data.auto_discharge_disconnect = 1;
+ priv->tcpci_data.init = mt6370_tcpc_init;
+ priv->tcpci_data.set_vconn = mt6370_tcpc_set_vconn;
+
+ priv->vbus = devm_regulator_get_optional(dev, "vbus");
+ if (!IS_ERR(priv->vbus))
+ priv->tcpci_data.set_vbus = mt6370_tcpc_set_vbus;
+
+ priv->tcpci = tcpci_register_port(dev, &priv->tcpci_data);
+ if (IS_ERR(priv->tcpci))
+ return dev_err_probe(dev, PTR_ERR(priv->tcpci),
+ "Failed to register tcpci port\n");
+
+ ret = devm_add_action_or_reset(dev, mt6370_unregister_tcpci_port, priv->tcpci);
+ if (ret)
+ return ret;
+
+ ret = devm_request_threaded_irq(dev, irq, NULL, mt6370_irq_handler,
+ IRQF_ONESHOT, dev_name(dev), priv);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to allocate irq\n");
+
+ device_init_wakeup(dev, true);
+ dev_pm_set_wake_irq(dev, irq);
+
+ return 0;
+}
+
+static int mt6370_tcpc_remove(struct platform_device *pdev)
+{
+ dev_pm_clear_wake_irq(&pdev->dev);
+ device_init_wakeup(&pdev->dev, false);
+
+ return 0;
+}
+
+static const struct of_device_id mt6370_tcpc_devid_table[] = {
+ { .compatible = "mediatek,mt6370-tcpc" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mt6370_tcpc_devid_table);
+
+static struct platform_driver mt6370_tcpc_driver = {
+ .driver = {
+ .name = "mt6370-tcpc",
+ .of_match_table = mt6370_tcpc_devid_table,
+ },
+ .probe = mt6370_tcpc_probe,
+ .remove = mt6370_tcpc_remove,
+};
+module_platform_driver(mt6370_tcpc_driver);
+
+MODULE_AUTHOR("ChiYuan Huang <cy_huang@richtek.com>");
+MODULE_DESCRIPTION("MT6370 USB Type-C Port Controller Interface Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
index 3291ca4948da..7b217c712c11 100644
--- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c
+++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
@@ -5,6 +5,7 @@
* Richtek RT1711H Type-C Chip Driver
*/
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
@@ -13,16 +14,27 @@
#include <linux/usb/tcpci.h>
#include <linux/usb/tcpm.h>
#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
#define RT1711H_VID 0x29CF
#define RT1711H_PID 0x1711
+#define RT1711H_DID 0x2171
+#define RT1715_DID 0x2173
-#define RT1711H_RTCTRL8 0x9B
+#define RT1711H_PHYCTRL1 0x80
+#define RT1711H_PHYCTRL2 0x81
+
+#define RT1711H_RTCTRL4 0x93
+/* rx threshold of rd/rp: 1b0 for level 0.4V/0.7V, 1b1 for 0.35V/0.75V */
+#define RT1711H_BMCIO_RXDZSEL BIT(0)
+#define RT1711H_RTCTRL8 0x9B
/* Autoidle timeout = (tout * 2 + 1) * 6.4ms */
#define RT1711H_RTCTRL8_SET(ck300, ship_off, auto_idle, tout) \
(((ck300) << 7) | ((ship_off) << 5) | \
((auto_idle) << 3) | ((tout) & 0x07))
+#define RT1711H_AUTOIDLEEN BIT(3)
+#define RT1711H_ENEXTMSG BIT(4)
#define RT1711H_RTCTRL11 0x9E
@@ -35,10 +47,17 @@
#define RT1711H_RTCTRL15 0xA2
#define RT1711H_RTCTRL16 0xA3
+#define RT1711H_RTCTRL18 0xAF
+/* 1b0 as fixed rx threshold of rd/rp 0.55V, 1b1 depends on RTCRTL4[0] */
+#define BMCIO_RXDZEN BIT(0)
+
struct rt1711h_chip {
struct tcpci_data data;
struct tcpci *tcpci;
struct device *dev;
+ struct regulator *vbus;
+ bool src_en;
+ u16 did;
};
static int rt1711h_read16(struct rt1711h_chip *chip, unsigned int reg, u16 *val)
@@ -75,8 +94,9 @@ static struct rt1711h_chip *tdata_to_rt1711h(struct tcpci_data *tdata)
static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata)
{
- int ret;
struct rt1711h_chip *chip = tdata_to_rt1711h(tdata);
+ struct regmap *regmap = chip->data.regmap;
+ int ret;
/* CK 300K from 320K, shipping off, auto_idle enable, tout = 32ms */
ret = rt1711h_write8(chip, RT1711H_RTCTRL8,
@@ -84,6 +104,14 @@ static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata)
if (ret < 0)
return ret;
+ /* Enable PD30 extended message for RT1715 */
+ if (chip->did == RT1715_DID) {
+ ret = regmap_update_bits(regmap, RT1711H_RTCTRL8,
+ RT1711H_ENEXTMSG, RT1711H_ENEXTMSG);
+ if (ret < 0)
+ return ret;
+ }
+
/* I2C reset : (val + 1) * 12.5ms */
ret = rt1711h_write8(chip, RT1711H_RTCTRL11,
RT1711H_RTCTRL11_SET(1, 0x0F));
@@ -101,7 +129,37 @@ static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata)
return ret;
/* dcSRC.DRP : 33% */
- return rt1711h_write16(chip, RT1711H_RTCTRL16, 330);
+ ret = rt1711h_write16(chip, RT1711H_RTCTRL16, 330);
+ if (ret < 0)
+ return ret;
+
+ /* Enable phy discard retry, retry count 7, rx filter deglitch 100 us */
+ ret = rt1711h_write8(chip, RT1711H_PHYCTRL1, 0xF1);
+ if (ret < 0)
+ return ret;
+
+ /* Decrease wait time of BMC-encoded 1 bit from 2.67us to 2.55us */
+ /* wait time : (val * .4167) us */
+ return rt1711h_write8(chip, RT1711H_PHYCTRL2, 62);
+}
+
+static int rt1711h_set_vbus(struct tcpci *tcpci, struct tcpci_data *tdata,
+ bool src, bool snk)
+{
+ struct rt1711h_chip *chip = tdata_to_rt1711h(tdata);
+ int ret;
+
+ if (chip->src_en == src)
+ return 0;
+
+ if (src)
+ ret = regulator_enable(chip->vbus);
+ else
+ ret = regulator_disable(chip->vbus);
+
+ if (!ret)
+ chip->src_en = src;
+ return ret;
}
static int rt1711h_set_vconn(struct tcpci *tcpci, struct tcpci_data *tdata,
@@ -109,8 +167,55 @@ static int rt1711h_set_vconn(struct tcpci *tcpci, struct tcpci_data *tdata,
{
struct rt1711h_chip *chip = tdata_to_rt1711h(tdata);
- return rt1711h_write8(chip, RT1711H_RTCTRL8,
- RT1711H_RTCTRL8_SET(0, 1, !enable, 2));
+ return regmap_update_bits(chip->data.regmap, RT1711H_RTCTRL8,
+ RT1711H_AUTOIDLEEN, enable ? 0 : RT1711H_AUTOIDLEEN);
+}
+
+/*
+ * Selects the CC PHY noise filter voltage level according to the remote current
+ * CC voltage level.
+ *
+ * @status: The port's current cc status read from IC
+ * Return 0 if writes succeed; failure code otherwise
+ */
+static inline int rt1711h_init_cc_params(struct rt1711h_chip *chip, u8 status)
+{
+ int ret, cc1, cc2;
+ u8 role = 0;
+ u32 rxdz_en, rxdz_sel;
+
+ ret = rt1711h_read8(chip, TCPC_ROLE_CTRL, &role);
+ if (ret < 0)
+ return ret;
+
+ cc1 = tcpci_to_typec_cc((status >> TCPC_CC_STATUS_CC1_SHIFT) &
+ TCPC_CC_STATUS_CC1_MASK,
+ status & TCPC_CC_STATUS_TERM ||
+ tcpc_presenting_rd(role, CC1));
+ cc2 = tcpci_to_typec_cc((status >> TCPC_CC_STATUS_CC2_SHIFT) &
+ TCPC_CC_STATUS_CC2_MASK,
+ status & TCPC_CC_STATUS_TERM ||
+ tcpc_presenting_rd(role, CC2));
+
+ if ((cc1 >= TYPEC_CC_RP_1_5 && cc2 < TYPEC_CC_RP_DEF) ||
+ (cc2 >= TYPEC_CC_RP_1_5 && cc1 < TYPEC_CC_RP_DEF)) {
+ rxdz_en = BMCIO_RXDZEN;
+ if (chip->did == RT1715_DID)
+ rxdz_sel = RT1711H_BMCIO_RXDZSEL;
+ else
+ rxdz_sel = 0;
+ } else {
+ rxdz_en = 0;
+ rxdz_sel = RT1711H_BMCIO_RXDZSEL;
+ }
+
+ ret = regmap_update_bits(chip->data.regmap, RT1711H_RTCTRL18,
+ BMCIO_RXDZEN, rxdz_en);
+ if (ret < 0)
+ return ret;
+
+ return regmap_update_bits(chip->data.regmap, RT1711H_RTCTRL4,
+ RT1711H_BMCIO_RXDZSEL, rxdz_sel);
}
static int rt1711h_start_drp_toggling(struct tcpci *tcpci,
@@ -173,6 +278,8 @@ static irqreturn_t rt1711h_irq(int irq, void *dev_id)
/* Clear cc change event triggered by starting toggling */
if (status & TCPC_CC_STATUS_TOGGLING)
rt1711h_write8(chip, TCPC_ALERT, TCPC_ALERT_CC_STATUS);
+ else
+ rt1711h_init_cc_params(chip, status);
}
out:
@@ -191,7 +298,7 @@ static int rt1711h_sw_reset(struct rt1711h_chip *chip)
return 0;
}
-static int rt1711h_check_revision(struct i2c_client *i2c)
+static int rt1711h_check_revision(struct i2c_client *i2c, struct rt1711h_chip *chip)
{
int ret;
@@ -209,7 +316,15 @@ static int rt1711h_check_revision(struct i2c_client *i2c)
dev_err(&i2c->dev, "pid is not correct, 0x%04x\n", ret);
return -ENODEV;
}
- return 0;
+ ret = i2c_smbus_read_word_data(i2c, TCPC_BCD_DEV);
+ if (ret < 0)
+ return ret;
+ if (ret != chip->did) {
+ dev_err(&i2c->dev, "did is not correct, 0x%04x\n", ret);
+ return -ENODEV;
+ }
+ dev_dbg(&i2c->dev, "did is 0x%04x\n", ret);
+ return ret;
}
static int rt1711h_probe(struct i2c_client *client,
@@ -218,16 +333,18 @@ static int rt1711h_probe(struct i2c_client *client,
int ret;
struct rt1711h_chip *chip;
- ret = rt1711h_check_revision(client);
+ chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->did = (size_t)device_get_match_data(&client->dev);
+
+ ret = rt1711h_check_revision(client, chip);
if (ret < 0) {
dev_err(&client->dev, "check vid/pid fail\n");
return ret;
}
- chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
- if (!chip)
- return -ENOMEM;
-
chip->data.regmap = devm_regmap_init_i2c(client,
&rt1711h_regmap_config);
if (IS_ERR(chip->data.regmap))
@@ -245,7 +362,12 @@ static int rt1711h_probe(struct i2c_client *client,
if (ret < 0)
return ret;
+ chip->vbus = devm_regulator_get(&client->dev, "vbus");
+ if (IS_ERR(chip->vbus))
+ return PTR_ERR(chip->vbus);
+
chip->data.init = rt1711h_init;
+ chip->data.set_vbus = rt1711h_set_vbus;
chip->data.set_vconn = rt1711h_set_vconn;
chip->data.start_drp_toggling = rt1711h_start_drp_toggling;
chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
@@ -263,23 +385,24 @@ static int rt1711h_probe(struct i2c_client *client,
return 0;
}
-static int rt1711h_remove(struct i2c_client *client)
+static void rt1711h_remove(struct i2c_client *client)
{
struct rt1711h_chip *chip = i2c_get_clientdata(client);
tcpci_unregister_port(chip->tcpci);
- return 0;
}
static const struct i2c_device_id rt1711h_id[] = {
{ "rt1711h", 0 },
+ { "rt1715", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, rt1711h_id);
#ifdef CONFIG_OF
static const struct of_device_id rt1711h_of_match[] = {
- { .compatible = "richtek,rt1711h", },
+ { .compatible = "richtek,rt1711h", .data = (void *)RT1711H_DID },
+ { .compatible = "richtek,rt1715", .data = (void *)RT1715_DID },
{},
};
MODULE_DEVICE_TABLE(of, rt1711h_of_match);
diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
index dfbba5ae9487..b637e8b378b3 100644
--- a/drivers/usb/typec/tipd/core.c
+++ b/drivers/usb/typec/tipd/core.c
@@ -857,15 +857,13 @@ err_clear_mask:
return ret;
}
-static int tps6598x_remove(struct i2c_client *client)
+static void tps6598x_remove(struct i2c_client *client)
{
struct tps6598x *tps = i2c_get_clientdata(client);
tps6598x_disconnect(tps, 0);
typec_unregister_port(tps->port);
usb_role_switch_put(tps->role_sw);
-
- return 0;
}
static const struct of_device_id tps6598x_of_match[] = {
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7f2624f42724..a7987fc764cc 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -183,16 +183,6 @@ out:
}
EXPORT_SYMBOL_GPL(ucsi_send_command);
-int ucsi_resume(struct ucsi *ucsi)
-{
- u64 command;
-
- /* Restore UCSI notification enable mask after system resume */
- command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy;
-
- return ucsi_send_command(ucsi, command, NULL, 0);
-}
-EXPORT_SYMBOL_GPL(ucsi_resume);
/* -------------------------------------------------------------------------- */
struct ucsi_work {
@@ -588,8 +578,6 @@ static int ucsi_get_pdos(struct ucsi_connector *con, int is_partner,
num_pdos * sizeof(u32));
if (ret < 0 && ret != -ETIMEDOUT)
dev_err(ucsi->dev, "UCSI_GET_PDOS failed (%d)\n", ret);
- if (ret == 0 && offset == 0)
- dev_warn(ucsi->dev, "UCSI_GET_PDOS returned 0 bytes\n");
return ret;
}
@@ -746,6 +734,7 @@ static void ucsi_partner_change(struct ucsi_connector *con)
static int ucsi_check_connection(struct ucsi_connector *con)
{
+ u8 prev_flags = con->status.flags;
u64 command;
int ret;
@@ -756,10 +745,13 @@ static int ucsi_check_connection(struct ucsi_connector *con)
return ret;
}
+ if (con->status.flags == prev_flags)
+ return 0;
+
if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
- if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
- UCSI_CONSTAT_PWR_OPMODE_PD)
- ucsi_partner_task(con, ucsi_check_altmodes, 30, 0);
+ ucsi_register_partner(con);
+ ucsi_pwr_opmode_change(con);
+ ucsi_partner_change(con);
} else {
ucsi_partner_change(con);
ucsi_port_psy_changed(con);
@@ -1069,11 +1061,9 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
cap->fwnode = ucsi_find_fwnode(con);
con->usb_role_sw = fwnode_usb_role_switch_get(cap->fwnode);
- if (IS_ERR(con->usb_role_sw)) {
- dev_err(ucsi->dev, "con%d: failed to get usb role switch\n",
- con->num);
- return PTR_ERR(con->usb_role_sw);
- }
+ if (IS_ERR(con->usb_role_sw))
+ return dev_err_probe(ucsi->dev, PTR_ERR(con->usb_role_sw),
+ "con%d: failed to get usb role switch\n", con->num);
/* Delay other interactions with the con until registration is complete */
mutex_lock(&con->lock);
@@ -1280,6 +1270,28 @@ err:
return ret;
}
+int ucsi_resume(struct ucsi *ucsi)
+{
+ struct ucsi_connector *con;
+ u64 command;
+ int ret;
+
+ /* Restore UCSI notification enable mask after system resume */
+ command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy;
+ ret = ucsi_send_command(ucsi, command, NULL, 0);
+ if (ret < 0)
+ return ret;
+
+ for (con = ucsi->connector; con->port; con++) {
+ mutex_lock(&con->lock);
+ ucsi_check_connection(con);
+ mutex_unlock(&con->lock);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ucsi_resume);
+
static void ucsi_init_work(struct work_struct *work)
{
struct ucsi *ucsi = container_of(work, struct ucsi, work.work);
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index 8873c1644a29..ce0c8ef80c04 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -185,6 +185,15 @@ static int ucsi_acpi_remove(struct platform_device *pdev)
return 0;
}
+static int ucsi_acpi_resume(struct device *dev)
+{
+ struct ucsi_acpi *ua = dev_get_drvdata(dev);
+
+ return ucsi_resume(ua->ucsi);
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(ucsi_acpi_pm_ops, NULL, ucsi_acpi_resume);
+
static const struct acpi_device_id ucsi_acpi_match[] = {
{ "PNP0CA0", 0 },
{ },
@@ -194,6 +203,7 @@ MODULE_DEVICE_TABLE(acpi, ucsi_acpi_match);
static struct platform_driver ucsi_acpi_platform_driver = {
.driver = {
.name = "ucsi_acpi",
+ .pm = pm_ptr(&ucsi_acpi_pm_ops),
.acpi_match_table = ACPI_PTR(ucsi_acpi_match),
},
.probe = ucsi_acpi_probe,
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index 5c0bf48be766..835f1c4372ba 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -125,6 +125,11 @@ struct version_format {
#define CCG_FW_BUILD_NVIDIA (('n' << 8) | 'v')
#define CCG_OLD_FW_VERSION (CCG_VERSION(0x31) | CCG_VERSION_PATCH(10))
+/* Firmware for Tegra doesn't support UCSI ALT command, built
+ * for NVIDIA has known issue of reporting wrong capability info
+ */
+#define CCG_FW_BUILD_NVIDIA_TEGRA (('g' << 8) | 'n')
+
/* Altmode offset for NVIDIA Function Test Board (FTB) */
#define NVIDIA_FTB_DP_OFFSET (2)
#define NVIDIA_FTB_DBG_OFFSET (3)
@@ -513,6 +518,7 @@ static int ucsi_ccg_read(struct ucsi *ucsi, unsigned int offset,
{
struct ucsi_ccg *uc = ucsi_get_drvdata(ucsi);
u16 reg = CCGX_RAB_UCSI_DATA_BLOCK(offset);
+ struct ucsi_capability *cap;
struct ucsi_altmode *alt;
int ret;
@@ -536,6 +542,12 @@ static int ucsi_ccg_read(struct ucsi *ucsi, unsigned int offset,
ucsi_ccg_nvidia_altmode(uc, alt);
}
break;
+ case UCSI_GET_CAPABILITY:
+ if (uc->fw_build == CCG_FW_BUILD_NVIDIA_TEGRA) {
+ cap = val;
+ cap->features &= ~UCSI_CAP_ALT_MODE_DETAILS;
+ }
+ break;
default:
break;
}
@@ -1403,7 +1415,7 @@ out_ucsi_destroy:
return status;
}
-static int ucsi_ccg_remove(struct i2c_client *client)
+static void ucsi_ccg_remove(struct i2c_client *client)
{
struct ucsi_ccg *uc = i2c_get_clientdata(client);
@@ -1413,8 +1425,6 @@ static int ucsi_ccg_remove(struct i2c_client *client)
ucsi_unregister(uc->ucsi);
ucsi_destroy(uc->ucsi);
free_irq(uc->irq, uc);
-
- return 0;
}
static const struct i2c_device_id ucsi_ccg_device_id[] = {
diff --git a/drivers/usb/typec/ucsi/ucsi_stm32g0.c b/drivers/usb/typec/ucsi/ucsi_stm32g0.c
index 061551d464f1..7b92f0c8de70 100644
--- a/drivers/usb/typec/ucsi/ucsi_stm32g0.c
+++ b/drivers/usb/typec/ucsi/ucsi_stm32g0.c
@@ -599,7 +599,7 @@ static int ucsi_stm32g0_probe_bootloader(struct ucsi *ucsi)
g0->i2c_bl = i2c_new_dummy_device(g0->client->adapter, STM32G0_I2C_BL_ADDR);
if (IS_ERR(g0->i2c_bl)) {
ret = dev_err_probe(g0->dev, PTR_ERR(g0->i2c_bl),
- "Failed to register booloader I2C address\n");
+ "Failed to register bootloader I2C address\n");
return ret;
}
}
@@ -688,7 +688,7 @@ destroy:
return ret;
}
-static int ucsi_stm32g0_remove(struct i2c_client *client)
+static void ucsi_stm32g0_remove(struct i2c_client *client)
{
struct ucsi_stm32g0 *g0 = i2c_get_clientdata(client);
@@ -697,8 +697,6 @@ static int ucsi_stm32g0_remove(struct i2c_client *client)
if (g0->fw_name)
i2c_unregister_device(g0->i2c_bl);
ucsi_destroy(g0->ucsi);
-
- return 0;
}
static int ucsi_stm32g0_suspend(struct device *dev)
diff --git a/drivers/usb/typec/wusb3801.c b/drivers/usb/typec/wusb3801.c
index e63509f8b01e..3cc7a15ecbd3 100644
--- a/drivers/usb/typec/wusb3801.c
+++ b/drivers/usb/typec/wusb3801.c
@@ -399,7 +399,7 @@ err_put_connector:
return ret;
}
-static int wusb3801_remove(struct i2c_client *client)
+static void wusb3801_remove(struct i2c_client *client)
{
struct wusb3801 *wusb3801 = i2c_get_clientdata(client);
@@ -411,8 +411,6 @@ static int wusb3801_remove(struct i2c_client *client)
if (wusb3801->vbus_on)
regulator_disable(wusb3801->vbus_supply);
-
- return 0;
}
static const struct of_device_id wusb3801_of_match[] = {