mfd: Adopt mfd_data in 88pm860x regulator

Copy 88pm860x platform data into different mfd_data structure for
regulator driver. So move the identification of device node from
regulator driver to mfd driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 104 insertions, 61 deletions

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index cec375c534b8..96ea0c64bbbc 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/88pm860x.h>
+#include <linux/regulator/machine.h>
 
 #define INT_STATUS_NUM                  3
 
@@ -35,6 +36,27 @@ static struct resource led_resources[] __initdata = {
         {PM8606_LED2_BLUE,  PM8606_LED2_BLUE,  "led1-blue",  IORESOURCE_IO,},
 };
 
+static struct resource regulator_resources[] __initdata = {
+        {PM8607_ID_BUCK1, PM8607_ID_BUCK1, "buck-1", IORESOURCE_IO,},
+        {PM8607_ID_BUCK2, PM8607_ID_BUCK2, "buck-2", IORESOURCE_IO,},
+        {PM8607_ID_BUCK3, PM8607_ID_BUCK3, "buck-3", IORESOURCE_IO,},
+        {PM8607_ID_LDO1,  PM8607_ID_LDO1,  "ldo-01", IORESOURCE_IO,},
+        {PM8607_ID_LDO2,  PM8607_ID_LDO2,  "ldo-02", IORESOURCE_IO,},
+        {PM8607_ID_LDO3,  PM8607_ID_LDO3,  "ldo-03", IORESOURCE_IO,},
+        {PM8607_ID_LDO4,  PM8607_ID_LDO4,  "ldo-04", IORESOURCE_IO,},
+        {PM8607_ID_LDO5,  PM8607_ID_LDO5,  "ldo-05", IORESOURCE_IO,},
+        {PM8607_ID_LDO6,  PM8607_ID_LDO6,  "ldo-06", IORESOURCE_IO,},
+        {PM8607_ID_LDO7,  PM8607_ID_LDO7,  "ldo-07", IORESOURCE_IO,},
+        {PM8607_ID_LDO8,  PM8607_ID_LDO8,  "ldo-08", IORESOURCE_IO,},
+        {PM8607_ID_LDO9,  PM8607_ID_LDO9,  "ldo-09", IORESOURCE_IO,},
+        {PM8607_ID_LDO10, PM8607_ID_LDO10, "ldo-10", IORESOURCE_IO,},
+        {PM8607_ID_LDO11, PM8607_ID_LDO11, "ldo-11", IORESOURCE_IO,},
+        {PM8607_ID_LDO12, PM8607_ID_LDO12, "ldo-12", IORESOURCE_IO,},
+        {PM8607_ID_LDO13, PM8607_ID_LDO13, "ldo-13", IORESOURCE_IO,},
+        {PM8607_ID_LDO14, PM8607_ID_LDO14, "ldo-14", IORESOURCE_IO,},
+        {PM8607_ID_LDO15, PM8607_ID_LDO15, "ldo-15", IORESOURCE_IO,},
+};
+
 static struct mfd_cell bk_devs[] __initdata = {
         {"88pm860x-backlight", 0,},
         {"88pm860x-backlight", 1,},
@@ -50,8 +72,30 @@ static struct mfd_cell led_devs[] __initdata = {
         {"88pm860x-led", 5,},
 };
 
+static struct mfd_cell regulator_devs[] __initdata = {
+        {"88pm860x-regulator", 0,},
+        {"88pm860x-regulator", 1,},
+        {"88pm860x-regulator", 2,},
+        {"88pm860x-regulator", 3,},
+        {"88pm860x-regulator", 4,},
+        {"88pm860x-regulator", 5,},
+        {"88pm860x-regulator", 6,},
+        {"88pm860x-regulator", 7,},
+        {"88pm860x-regulator", 8,},
+        {"88pm860x-regulator", 9,},
+        {"88pm860x-regulator", 10,},
+        {"88pm860x-regulator", 11,},
+        {"88pm860x-regulator", 12,},
+        {"88pm860x-regulator", 13,},
+        {"88pm860x-regulator", 14,},
+        {"88pm860x-regulator", 15,},
+        {"88pm860x-regulator", 16,},
+        {"88pm860x-regulator", 17,},
+};
+
 static struct pm860x_backlight_pdata bk_pdata[ARRAY_SIZE(bk_devs)];
 static struct pm860x_led_pdata led_pdata[ARRAY_SIZE(led_devs)];
+static struct regulator_init_data regulator_pdata[ARRAY_SIZE(regulator_devs)];
 
 static struct resource touch_resources[] = {
         {
@@ -69,13 +113,6 @@ static struct mfd_cell touch_devs[] = {
         },
 };
 
-#define PM8607_REG_RESOURCE(_start, _end)               \
-{                                                       \
-        .start  = PM8607_##_start,                      \
-        .end    = PM8607_##_end,                        \
-        .flags  = IORESOURCE_IO,                        \
-}
-
 static struct resource power_supply_resources[] = {
         {
                 .name           = "88pm860x-power",
@@ -149,52 +186,6 @@ static struct mfd_cell codec_devs[] = {
         },
 };
 
-static struct resource regulator_resources[] = {
-        PM8607_REG_RESOURCE(BUCK1, BUCK1),
-        PM8607_REG_RESOURCE(BUCK2, BUCK2),
-        PM8607_REG_RESOURCE(BUCK3, BUCK3),
-        PM8607_REG_RESOURCE(LDO1,  LDO1),
-        PM8607_REG_RESOURCE(LDO2,  LDO2),
-        PM8607_REG_RESOURCE(LDO3,  LDO3),
-        PM8607_REG_RESOURCE(LDO4,  LDO4),
-        PM8607_REG_RESOURCE(LDO5,  LDO5),
-        PM8607_REG_RESOURCE(LDO6,  LDO6),
-        PM8607_REG_RESOURCE(LDO7,  LDO7),
-        PM8607_REG_RESOURCE(LDO8,  LDO8),
-        PM8607_REG_RESOURCE(LDO9,  LDO9),
-        PM8607_REG_RESOURCE(LDO10, LDO10),
-        PM8607_REG_RESOURCE(LDO12, LDO12),
-        PM8607_REG_RESOURCE(VIBRATOR_SET, VIBRATOR_SET),
-        PM8607_REG_RESOURCE(LDO14, LDO14),
-};
-
-#define PM8607_REG_DEVS(_id)                                            \
-{                                                                       \
-        .name           = "88pm860x-regulator",                         \
-        .num_resources  = 1,                                            \
-        .resources      = &regulator_resources[PM8607_ID_##_id],        \
-        .id             = PM8607_ID_##_id,                              \
-}
-
-static struct mfd_cell regulator_devs[] = {
-        PM8607_REG_DEVS(BUCK1),
-        PM8607_REG_DEVS(BUCK2),
-        PM8607_REG_DEVS(BUCK3),
-        PM8607_REG_DEVS(LDO1),
-        PM8607_REG_DEVS(LDO2),
-        PM8607_REG_DEVS(LDO3),
-        PM8607_REG_DEVS(LDO4),
-        PM8607_REG_DEVS(LDO5),
-        PM8607_REG_DEVS(LDO6),
-        PM8607_REG_DEVS(LDO7),
-        PM8607_REG_DEVS(LDO8),
-        PM8607_REG_DEVS(LDO9),
-        PM8607_REG_DEVS(LDO10),
-        PM8607_REG_DEVS(LDO12),
-        PM8607_REG_DEVS(LDO13),
-        PM8607_REG_DEVS(LDO14),
-};
-
 struct pm860x_irq_data {
         int     reg;
         int     mask_reg;
@@ -623,6 +614,64 @@ static void __devinit device_led_init(struct pm860x_chip *chip,
         }
 }
 
+static void __devinit device_regulator_init(struct pm860x_chip *chip,
+                                            struct i2c_client *i2c,
+                                            struct pm860x_platform_data *pdata)
+{
+        struct regulator_init_data *initdata;
+        int ret;
+        int i, j;
+
+        if ((pdata == NULL) || (pdata->regulator == NULL))
+                return;
+
+        if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
+                pdata->num_regulators = ARRAY_SIZE(regulator_devs);
+
+        for (i = 0, j = -1; i < pdata->num_regulators; i++) {
+                initdata = &pdata->regulator[i];
+                if (strstr(initdata->constraints.name, "BUCK")) {
+                        sscanf(initdata->constraints.name, "BUCK%d", &j);
+                        /* BUCK1 ~ BUCK3 */
+                        if ((j < 1) || (j > 3)) {
+                                dev_err(chip->dev, "Failed to add constraint "
+                                        "(%s)\n", initdata->constraints.name);
+                                goto out;
+                        }
+                        j = (j - 1) + PM8607_ID_BUCK1;
+                }
+                if (strstr(initdata->constraints.name, "LDO")) {
+                        sscanf(initdata->constraints.name, "LDO%d", &j);
+                        /* LDO1 ~ LDO15 */
+                        if ((j < 1) || (j > 15)) {
+                                dev_err(chip->dev, "Failed to add constraint "
+                                        "(%s)\n", initdata->constraints.name);
+                                goto out;
+                        }
+                        j = (j - 1) + PM8607_ID_LDO1;
+                }
+                if (j == -1) {
+                        dev_err(chip->dev, "Failed to add constraint (%s)\n",
+                                initdata->constraints.name);
+                        goto out;
+                }
+                memcpy(&regulator_pdata[i], &pdata->regulator[i],
+                        sizeof(struct regulator_init_data));
+                regulator_devs[i].mfd_data = &regulator_pdata[i];
+                regulator_devs[i].num_resources = 1;
+                regulator_devs[i].resources = &regulator_resources[j];
+
+                ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
+                                      &regulator_resources[j], 0);
+                if (ret < 0) {
+                        dev_err(chip->dev, "Failed to add regulator subdev\n");
+                        goto out;
+                }
+        }
+out:
+        return;
+}
+
 static void __devinit device_8607_init(struct pm860x_chip *chip,
                                        struct i2c_client *i2c,
                                        struct pm860x_platform_data *pdata)
@@ -678,14 +727,6 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
         if (ret < 0)
                 goto out;
 
-        ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
-                              ARRAY_SIZE(regulator_devs),
-                              &regulator_resources[0], 0);
-        if (ret < 0) {
-                dev_err(chip->dev, "Failed to add regulator subdev\n");
-                goto out_dev;
-        }
-
         if (pdata && pdata->touch) {
                 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
                                       ARRAY_SIZE(touch_devs),
@@ -723,6 +764,8 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
                 dev_err(chip->dev, "Failed to add codec subdev\n");
                 goto out_dev;
         }
+
+        device_regulator_init(chip, i2c, pdata);
         return;
 out_dev:
         mfd_remove_devices(chip->dev);