regulator: tps65090: Add support for LDO regulators

TPS65090 supports the two LDOs, LDO1 and LDO2. These are
always ON regulators. The output on these LDOs are available
once the input voltage available for these LDOs.
Add support for these LDOs regulators.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/tps65090-regulator.c

@@ -37,6 +37,9 @@ static struct regulator_ops tps65090_ops = {
 	.is_enabled = regulator_is_enabled_regmap,
 };
 
+static struct regulator_ops tps65090_ldo_ops = {
+};
+
 #define tps65090_REG_DESC(_id, _sname, _en_reg, _ops)	\
 {							\
 	.name = "TPS65090_RAILS"#_id,			\
@@ -60,6 +63,8 @@ static struct regulator_desc tps65090_regulator_desc[] = {
 	tps65090_REG_DESC(FET5,  "infet5",  0x13, tps65090_ops),
 	tps65090_REG_DESC(FET6,  "infet6",  0x14, tps65090_ops),
 	tps65090_REG_DESC(FET7,  "infet7",  0x15, tps65090_ops),
+	tps65090_REG_DESC(LDO1,  "vsys_l1", 0,    tps65090_ldo_ops),
+	tps65090_REG_DESC(LDO2,  "vsys_l2", 0,    tps65090_ldo_ops),
 };
 
 static inline bool is_dcdc(int id)

include/linux/mfd/tps65090.h

@@ -36,6 +36,8 @@ enum {
 	TPS65090_REGULATOR_FET5,
 	TPS65090_REGULATOR_FET6,
 	TPS65090_REGULATOR_FET7,
+	TPS65090_REGULATOR_LDO1,
+	TPS65090_REGULATOR_LDO2,
 
 	/* Last entry for maximum ID */
 	TPS65090_REGULATOR_MAX,