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path: root/drivers/mfd/tps6586x.c
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Diffstat (limited to 'drivers/mfd/tps6586x.c')
-rw-r--r--drivers/mfd/tps6586x.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 5f58370ccf5..345960ca2fd 100644
--- 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>
@@ -346,6 +347,7 @@ 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 },
@@ -369,6 +371,7 @@ 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;
@@ -391,12 +394,22 @@ 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++;
}