Merge tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

[~andy/linux] / drivers / mfd / tps6586x.c

diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 95ef40754dd7f5360e1ae009857e1f76948b468d..4674643687736679c69d74a337b1a0701f54f0bc 100644 (file)
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -25,6 +25,7 @@
 #include <linux/i2c.h>
 #include <linux/regmap.h>
 #include <linux/regulator/of_regulator.h>
+#include <linux/regulator/machine.h>
 
 #include <linux/mfd/core.h>
 #include <linux/mfd/tps6586x.h>
@@ -350,6 +351,7 @@ failed:
 
 #ifdef CONFIG_OF
 static struct of_regulator_match tps6586x_matches[] = {
+       { .name = "sys",     .driver_data = (void *)TPS6586X_ID_SYS     },
        { .name = "sm0",     .driver_data = (void *)TPS6586X_ID_SM_0    },
        { .name = "sm1",     .driver_data = (void *)TPS6586X_ID_SM_1    },
        { .name = "sm2",     .driver_data = (void *)TPS6586X_ID_SM_2    },
@@ -373,6 +375,7 @@ static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *clien
        struct tps6586x_platform_data *pdata;
        struct tps6586x_subdev_info *devs;
        struct device_node *regs;
+       const char *sys_rail_name = NULL;
        unsigned int count;
        unsigned int i, j;
        int err;
@@ -395,12 +398,22 @@ static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *clien
                return NULL;
 
        for (i = 0, j = 0; i < num && j < count; i++) {
+               struct regulator_init_data *reg_idata;
+
                if (!tps6586x_matches[i].init_data)
                        continue;
 
+               reg_idata  = tps6586x_matches[i].init_data;
                devs[j].name = "tps6586x-regulator";
                devs[j].platform_data = tps6586x_matches[i].init_data;
                devs[j].id = (int)tps6586x_matches[i].driver_data;
+               if (devs[j].id == TPS6586X_ID_SYS)
+                       sys_rail_name = reg_idata->constraints.name;
+
+               if ((devs[j].id == TPS6586X_ID_LDO_5) ||
+                       (devs[j].id == TPS6586X_ID_LDO_RTC))
+                       reg_idata->supply_regulator = sys_rail_name;
+
                devs[j].of_node = tps6586x_matches[i].of_node;
                j++;
        }