regulator: tps6586x: add support for input supply

There is multiple voltage input pins on device which
takes the voltage input for different voltage regulator.
Support to configure the voltage input supplied by
different regulator for each regulators.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 25 insertions, 22 deletions

diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index c0ac2418d6ab..e6da90ab5153 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -70,7 +70,7 @@ struct tps6586x_regulator {
 
 static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
 {
-	return rdev_get_dev(rdev)->parent->parent;
+	return rdev_get_dev(rdev)->parent;
 }
 
 static int tps6586x_set_voltage_sel(struct regulator_dev *rdev,
@@ -191,9 +191,10 @@ static const unsigned int tps6586x_dvm_voltages[] = {
 	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
 };
 
-#define TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits,		\
+#define TPS6586X_REGULATOR(_id, _pin_name, vdata, vreg, shift, nbits,	\
 			   ereg0, ebit0, ereg1, ebit1)			\
 	.desc	= {							\
+		.supply_name = _pin_name,				\
 		.name	= "REG-" #_id,					\
 		.ops	= &tps6586x_regulator_ops,			\
 		.type	= REGULATOR_VOLTAGE,				\
@@ -214,37 +215,39 @@ static const unsigned int tps6586x_dvm_voltages[] = {
 	.go_reg = TPS6586X_##goreg,					\
 	.go_bit = (gobit),
 
-#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits,			\
+#define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits,		\
 		     ereg0, ebit0, ereg1, ebit1)			\
 {									\
-	TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits,		\
+	TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits,	\
 			   ereg0, ebit0, ereg1, ebit1)			\
 }
 
-#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits,			\
+#define TPS6586X_DVM(_id, _pname, vdata, vreg, shift, nbits,		\
 		     ereg0, ebit0, ereg1, ebit1, goreg, gobit)		\
 {									\
-	TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits,		\
+	TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits,	\
 			   ereg0, ebit0, ereg1, ebit1)			\
 	TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit)			\
 }
 
 static struct tps6586x_regulator tps6586x_regulator[] = {
-	TPS6586X_LDO(LDO_0, ldo0, SUPPLYV1, 5, 3, ENC, 0, END, 0),
-	TPS6586X_LDO(LDO_3, ldo, SUPPLYV4, 0, 3, ENC, 2, END, 2),
-	TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
-	TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
-	TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
-	TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
-	TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
-	TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
-	TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
-	TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
-
-	TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
-	TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
-	TPS6586X_DVM(SM_0, dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, VCC1, 2),
-	TPS6586X_DVM(SM_1, dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, VCC1, 0),
+	TPS6586X_LDO(LDO_0, "vinldo01", ldo0, SUPPLYV1, 5, 3, ENC, 0, END, 0),
+	TPS6586X_LDO(LDO_3, "vinldo23", ldo, SUPPLYV4, 0, 3, ENC, 2, END, 2),
+	TPS6586X_LDO(LDO_5, NULL, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
+	TPS6586X_LDO(LDO_6, "vinldo678", ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
+	TPS6586X_LDO(LDO_7, "vinldo678", ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
+	TPS6586X_LDO(LDO_8, "vinldo678", ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
+	TPS6586X_LDO(LDO_9, "vinldo9", ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
+	TPS6586X_LDO(LDO_RTC, NULL, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
+	TPS6586X_LDO(LDO_1, "vinldo01", dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
+	TPS6586X_LDO(SM_2, "sm2", sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
+
+	TPS6586X_DVM(LDO_2, "vinldo23", dvm, LDO2BV1, 0, 5, ENA, 3,
+					ENB, 3, VCC2, 6),
+	TPS6586X_DVM(LDO_4, "vinldo4", ldo4, LDO4V1, 0, 5, ENC, 3,
+					END, 3, VCC1, 6),
+	TPS6586X_DVM(SM_0, "sm0", dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, VCC1, 2),
+	TPS6586X_DVM(SM_1, "sm1", dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, VCC1, 0),
 };
 
 /*
@@ -351,7 +354,7 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	config.dev = &pdev->dev;
+	config.dev = pdev->dev.parent;
 	config.of_node = pdev->dev.of_node;
 	config.init_data = pdev->dev.platform_data;
 	config.driver_data = ri;