3 files changed, 63 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt
index b51d2066599c..31be5a3d9f76 100644
--- a/Documentation/devicetree/bindings/mfd/tps65910.txt
+++ b/Documentation/devicetree/bindings/mfd/tps65910.txt
@@ -32,6 +32,28 @@ Optional properties:
   comparator. (see VMBCH_VSEL in TPS65910 datasheet)
 - ti,en-gpio-sleep: enable sleep control for gpios
   There should be 9 entries here, one for each gpio.
+- xxx-supply: Input voltage supply regulator.
+  Missing of these properties will be assume as there is no supply regulator
+  for that input pins and always powered on.
+  The valid input supply properties are:
+  tps65910:
+        vcc1-supply: VDD1 input.
+        vcc2-supply: VDD2 input.
+        vcc3-supply: VAUX33 and VMMC input.
+        vcc4-supply: VAUX1 and VAUX2 input.
+        vcc5-supply: VPLL and VDAC input.
+        vcc6-supply: VDIG1 and VDIG2 input.
+        vcc7-supply: VRTC input.
+        vccio-supply: VIO input.
+  tps65911:
+        vcc1-supply: VDD1 input.
+        vcc2-supply: VDD2 input.
+        vcc3-supply: LDO6, LDO7 and LDO8 input.
+        vcc4-supply: LDO5 input.
+        vcc5-supply: LDO3 and LDO4 input.
+        vcc6-supply: LDO1 and LDO2 input.
+        vcc7-supply: VRTC input.
+        vccio-supply: VIO input.
 
 Regulator Optional properties:
 - ti,regulator-ext-sleep-control: enable external sleep
@@ -57,6 +79,9 @@ Example:
 
                 ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
 
+                vcc7-supply = <&reg_parent>;
+                vcc1-supply = <&reg_parent>;
+
                 regulators {
                         #address-cells = <1>;
                         #size-cells = <0>;
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index a534e0872006..e319d963fee6 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -85,6 +85,7 @@ static const unsigned int VMMC_VSEL_table[] = {
 
 struct tps_info {
         const char *name;
+        const char *vin_name;
         u8 n_voltages;
         const unsigned int *voltage_table;
         int enable_time_us;
@@ -93,20 +94,24 @@ struct tps_info {
 static struct tps_info tps65910_regs[] = {
         {
                 .name = "vrtc",
+                .vin_name = "vcc7",
                 .enable_time_us = 2200,
         },
         {
                 .name = "vio",
+                .vin_name = "vccio",
                 .n_voltages = ARRAY_SIZE(VIO_VSEL_table),
                 .voltage_table = VIO_VSEL_table,
                 .enable_time_us = 350,
         },
         {
                 .name = "vdd1",
+                .vin_name = "vcc1",
                 .enable_time_us = 350,
         },
         {
                 .name = "vdd2",
+                .vin_name = "vcc2",
                 .enable_time_us = 350,
         },
         {
@@ -117,48 +122,56 @@ static struct tps_info tps65910_regs[] = {
         },
         {
                 .name = "vdig1",
+                .vin_name = "vcc6",
                 .n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
                 .voltage_table = VDIG1_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vdig2",
+                .vin_name = "vcc6",
                 .n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
                 .voltage_table = VDIG2_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vpll",
+                .vin_name = "vcc5",
                 .n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
                 .voltage_table = VPLL_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vdac",
+                .vin_name = "vcc5",
                 .n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
                 .voltage_table = VDAC_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vaux1",
+                .vin_name = "vcc4",
                 .n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
                 .voltage_table = VAUX1_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vaux2",
+                .vin_name = "vcc4",
                 .n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
                 .voltage_table = VAUX2_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vaux33",
+                .vin_name = "vcc3",
                 .n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
                 .voltage_table = VAUX33_VSEL_table,
                 .enable_time_us = 100,
         },
         {
                 .name = "vmmc",
+                .vin_name = "vcc3",
                 .n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
                 .voltage_table = VMMC_VSEL_table,
                 .enable_time_us = 100,
@@ -168,21 +181,25 @@ static struct tps_info tps65910_regs[] = {
 static struct tps_info tps65911_regs[] = {
         {
                 .name = "vrtc",
+                .vin_name = "vcc7",
                 .enable_time_us = 2200,
         },
         {
                 .name = "vio",
+                .vin_name = "vccio",
                 .n_voltages = ARRAY_SIZE(VIO_VSEL_table),
                 .voltage_table = VIO_VSEL_table,
                 .enable_time_us = 350,
         },
         {
                 .name = "vdd1",
+                .vin_name = "vcc1",
                 .n_voltages = 73,
                 .enable_time_us = 350,
         },
         {
                 .name = "vdd2",
+                .vin_name = "vcc2",
                 .n_voltages = 73,
                 .enable_time_us = 350,
         },
@@ -193,41 +210,49 @@ static struct tps_info tps65911_regs[] = {
         },
         {
                 .name = "ldo1",
+                .vin_name = "vcc6",
                 .n_voltages = 47,
                 .enable_time_us = 420,
         },
         {
                 .name = "ldo2",
+                .vin_name = "vcc6",
                 .n_voltages = 47,
                 .enable_time_us = 420,
         },
         {
                 .name = "ldo3",
+                .vin_name = "vcc5",
                 .n_voltages = 24,
                 .enable_time_us = 230,
         },
         {
                 .name = "ldo4",
+                .vin_name = "vcc5",
                 .n_voltages = 47,
                 .enable_time_us = 230,
         },
         {
                 .name = "ldo5",
+                .vin_name = "vcc4",
                 .n_voltages = 24,
                 .enable_time_us = 230,
         },
         {
                 .name = "ldo6",
+                .vin_name = "vcc3",
                 .n_voltages = 24,
                 .enable_time_us = 230,
         },
         {
                 .name = "ldo7",
+                .vin_name = "vcc3",
                 .n_voltages = 24,
                 .enable_time_us = 230,
         },
         {
                 .name = "ldo8",
+                .vin_name = "vcc3",
                 .n_voltages = 24,
                 .enable_time_us = 230,
         },
@@ -1013,6 +1038,9 @@ static struct tps65910_board *tps65910_parse_dt_reg_data(
         *tps65910_reg_matches = matches;
 
         for (idx = 0; idx < count; idx++) {
+                struct tps_info *info = matches[idx].driver_data;
+                char in_supply[32]; /* 32 is max size of property name */
+
                 if (!matches[idx].init_data || !matches[idx].of_node)
                         continue;
 
@@ -1023,6 +1051,13 @@ static struct tps65910_board *tps65910_parse_dt_reg_data(
                                 "ti,regulator-ext-sleep-control", &prop);
                 if (!ret)
                         pmic_plat_data->regulator_ext_sleep_control[idx] = prop;
+
+                if (info->vin_name) {
+                        snprintf(in_supply, 32, "%s-supply", info->vin_name);
+                        if (of_find_property(np, in_supply, 0))
+                                pmic_plat_data->input_supply[idx] =
+                                                                info->vin_name;
+                }
         }
 
         return pmic_plat_data;
@@ -1126,6 +1161,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
                 pmic->info[i] = info;
 
                 pmic->desc[i].name = info->name;
+                pmic->desc[i].supply_name = pmic_plat_data->input_supply[i];
                 pmic->desc[i].id = i;
                 pmic->desc[i].n_voltages = info->n_voltages;
                 pmic->desc[i].enable_time = info->enable_time_us;
diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h
index dd8dc0a6c462..c5f806011b32 100644
--- a/include/linux/mfd/tps65910.h
+++ b/include/linux/mfd/tps65910.h
@@ -799,6 +799,7 @@ struct tps65910_sleep_keepon_data {
 /**
  * struct tps65910_board
  * Board platform data may be used to initialize regulators.
+ * @input_supply: Name of input supply regulator.
  */
 
 struct tps65910_board {
@@ -811,6 +812,7 @@ struct tps65910_board {
         struct tps65910_sleep_keepon_data *slp_keepon;
         bool en_gpio_sleep[TPS6591X_MAX_NUM_GPIO];
         unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS];
+        const char *input_supply[TPS65910_NUM_REGS];
         struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS];
 };