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path: root/drivers/pinctrl/mvebu/pinctrl-dove.c
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Diffstat (limited to 'drivers/pinctrl/mvebu/pinctrl-dove.c')
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-dove.c113
1 files changed, 58 insertions, 55 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index f93ae0dcef9c..8472f61f2bbe 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -12,7 +12,6 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
@@ -61,30 +60,20 @@
#define CONFIG_PMU BIT(4)
-static void __iomem *mpp_base;
static void __iomem *mpp4_base;
static void __iomem *pmu_base;
static struct regmap *gconfmap;
-static int dove_mpp_ctrl_get(unsigned pid, unsigned long *config)
-{
- return default_mpp_ctrl_get(mpp_base, pid, config);
-}
-
-static int dove_mpp_ctrl_set(unsigned pid, unsigned long config)
-{
- return default_mpp_ctrl_set(mpp_base, pid, config);
-}
-
-static int dove_pmu_mpp_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl_data *data,
+ unsigned pid, unsigned long *config)
{
unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
- unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
unsigned long func;
if ((pmu & BIT(pid)) == 0)
- return default_mpp_ctrl_get(mpp_base, pid, config);
+ return mvebu_mmio_mpp_ctrl_get(data, pid, config);
func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
*config = (func >> shift) & MVEBU_MPP_MASK;
@@ -93,19 +82,20 @@ static int dove_pmu_mpp_ctrl_get(unsigned pid, unsigned long *config)
return 0;
}
-static int dove_pmu_mpp_ctrl_set(unsigned pid, unsigned long config)
+static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl_data *data,
+ unsigned pid, unsigned long config)
{
unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
- unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
unsigned long func;
if ((config & CONFIG_PMU) == 0) {
- writel(pmu & ~BIT(pid), mpp_base + PMU_MPP_GENERAL_CTRL);
- return default_mpp_ctrl_set(mpp_base, pid, config);
+ writel(pmu & ~BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
+ return mvebu_mmio_mpp_ctrl_set(data, pid, config);
}
- writel(pmu | BIT(pid), mpp_base + PMU_MPP_GENERAL_CTRL);
+ writel(pmu | BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
func &= ~(MVEBU_MPP_MASK << shift);
func |= (config & MVEBU_MPP_MASK) << shift;
@@ -114,7 +104,8 @@ static int dove_pmu_mpp_ctrl_set(unsigned pid, unsigned long config)
return 0;
}
-static int dove_mpp4_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long *config)
{
unsigned long mpp4 = readl(mpp4_base);
unsigned long mask;
@@ -144,7 +135,8 @@ static int dove_mpp4_ctrl_get(unsigned pid, unsigned long *config)
return 0;
}
-static int dove_mpp4_ctrl_set(unsigned pid, unsigned long config)
+static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long config)
{
unsigned long mpp4 = readl(mpp4_base);
unsigned long mask;
@@ -178,7 +170,8 @@ static int dove_mpp4_ctrl_set(unsigned pid, unsigned long config)
return 0;
}
-static int dove_nand_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long *config)
{
unsigned int gmpp;
@@ -188,7 +181,8 @@ static int dove_nand_ctrl_get(unsigned pid, unsigned long *config)
return 0;
}
-static int dove_nand_ctrl_set(unsigned pid, unsigned long config)
+static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long config)
{
regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
NAND_GPIO_EN,
@@ -196,28 +190,31 @@ static int dove_nand_ctrl_set(unsigned pid, unsigned long config)
return 0;
}
-static int dove_audio0_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long *config)
{
- unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
*config = ((pmu & AU0_AC97_SEL) != 0);
return 0;
}
-static int dove_audio0_ctrl_set(unsigned pid, unsigned long config)
+static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long config)
{
- unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
pmu &= ~AU0_AC97_SEL;
if (config)
pmu |= AU0_AC97_SEL;
- writel(pmu, mpp_base + PMU_MPP_GENERAL_CTRL);
+ writel(pmu, data->base + PMU_MPP_GENERAL_CTRL);
return 0;
}
-static int dove_audio1_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long *config)
{
unsigned int mpp4 = readl(mpp4_base);
unsigned int sspc1;
@@ -247,7 +244,8 @@ static int dove_audio1_ctrl_get(unsigned pid, unsigned long *config)
return 0;
}
-static int dove_audio1_ctrl_set(unsigned pid, unsigned long config)
+static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long config)
{
unsigned int mpp4 = readl(mpp4_base);
@@ -274,11 +272,12 @@ static int dove_audio1_ctrl_set(unsigned pid, unsigned long config)
* break other functions. If you require all mpps as gpio
* enforce gpio setting by pinctrl mapping.
*/
-static int dove_audio1_ctrl_gpio_req(unsigned pid)
+static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl_data *data,
+ unsigned pid)
{
unsigned long config;
- dove_audio1_ctrl_get(pid, &config);
+ dove_audio1_ctrl_get(data, pid, &config);
switch (config) {
case 0x02: /* i2s1 : gpio[56:57] */
@@ -301,14 +300,16 @@ static int dove_audio1_ctrl_gpio_req(unsigned pid)
}
/* mpp[52:57] has gpio pins capable of in and out */
-static int dove_audio1_ctrl_gpio_dir(unsigned pid, bool input)
+static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl_data *data,
+ unsigned pid, bool input)
{
if (pid < 52 || pid > 57)
return -ENOTSUPP;
return 0;
}
-static int dove_twsi_ctrl_get(unsigned pid, unsigned long *config)
+static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long *config)
{
unsigned int gcfg1;
unsigned int gcfg2;
@@ -327,7 +328,8 @@ static int dove_twsi_ctrl_get(unsigned pid, unsigned long *config)
return 0;
}
-static int dove_twsi_ctrl_set(unsigned pid, unsigned long config)
+static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
+ unsigned long config)
{
unsigned int gcfg1 = 0;
unsigned int gcfg2 = 0;
@@ -354,9 +356,9 @@ static int dove_twsi_ctrl_set(unsigned pid, unsigned long config)
return 0;
}
-static struct mvebu_mpp_ctrl dove_mpp_controls[] = {
+static const struct mvebu_mpp_ctrl dove_mpp_controls[] = {
MPP_FUNC_CTRL(0, 15, NULL, dove_pmu_mpp_ctrl),
- MPP_FUNC_CTRL(16, 23, NULL, dove_mpp_ctrl),
+ MPP_FUNC_CTRL(16, 23, NULL, mvebu_mmio_mpp_ctrl),
MPP_FUNC_CTRL(24, 39, "mpp_camera", dove_mpp4_ctrl),
MPP_FUNC_CTRL(40, 45, "mpp_sdio0", dove_mpp4_ctrl),
MPP_FUNC_CTRL(46, 51, "mpp_sdio1", dove_mpp4_ctrl),
@@ -769,6 +771,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev)
struct resource fb_res;
const struct of_device_id *match =
of_match_device(dove_pinctrl_of_match, &pdev->dev);
+ struct mvebu_mpp_ctrl_data *mpp_data;
+ void __iomem *base;
+ int i;
+
pdev->dev.platform_data = (void *)match->data;
/*
@@ -783,9 +789,18 @@ static int dove_pinctrl_probe(struct platform_device *pdev)
clk_prepare_enable(clk);
mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mpp_base = devm_ioremap_resource(&pdev->dev, mpp_res);
- if (IS_ERR(mpp_base))
- return PTR_ERR(mpp_base);
+ base = devm_ioremap_resource(&pdev->dev, mpp_res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols,
+ sizeof(*mpp_data), GFP_KERNEL);
+ if (!mpp_data)
+ return -ENOMEM;
+
+ dove_pinctrl_info.control_data = mpp_data;
+ for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++)
+ mpp_data[i].base = base;
/* prepare fallback resource */
memcpy(&fb_res, mpp_res, sizeof(struct resource));
@@ -838,24 +853,12 @@ static int dove_pinctrl_probe(struct platform_device *pdev)
return mvebu_pinctrl_probe(pdev);
}
-static int dove_pinctrl_remove(struct platform_device *pdev)
-{
- if (!IS_ERR(clk))
- clk_disable_unprepare(clk);
- return 0;
-}
-
static struct platform_driver dove_pinctrl_driver = {
.driver = {
.name = "dove-pinctrl",
+ .suppress_bind_attrs = true,
.of_match_table = dove_pinctrl_of_match,
},
.probe = dove_pinctrl_probe,
- .remove = dove_pinctrl_remove,
};
-
-module_platform_driver(dove_pinctrl_driver);
-
-MODULE_AUTHOR("Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>");
-MODULE_DESCRIPTION("Marvell Dove pinctrl driver");
-MODULE_LICENSE("GPL v2");
+builtin_platform_driver(dove_pinctrl_driver);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.