regulator: tps65917: Add support for SMPS12

App support for SMPS12 dual phase regulator.
Signed-off-by: NKeerthy <j-keerthy@ti.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/regulator/palmas-regulator.c

@@ -263,6 +263,13 @@ static struct palmas_regs_info tps65917_regs_info[] = {
 		.ctrl_addr	= TPS65917_SMPS5_CTRL,
 		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
 	},
+	{
+		.name		= "SMPS12",
+		.sname		= "smps1-in",
+		.vsel_addr	= TPS65917_SMPS1_VOLTAGE,
+		.ctrl_addr	= TPS65917_SMPS1_CTRL,
+		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
+	},
 	{
 		.name		= "LDO1",
 		.sname		= "ldo1-in",
@@ -367,6 +374,7 @@ static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
 	EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
 	EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
 	EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
+	EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
 	EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
 	EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
 	EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
@@ -1305,7 +1313,8 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
 		 */
 		desc = &pmic->desc[id];
 		desc->n_linear_ranges = 3;
-		if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
+		if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
+		    pmic->smps12)
 			continue;
 
 		/* Initialise sleep/init values from platform data */
@@ -1427,6 +1436,7 @@ static struct of_regulator_match tps65917_matches[] = {
 	{ .name = "smps3", },
 	{ .name = "smps4", },
 	{ .name = "smps5", },
+	{ .name = "smps12",},
 	{ .name = "ldo1", },
 	{ .name = "ldo2", },
 	{ .name = "ldo3", },
@@ -1455,7 +1465,7 @@ static struct palmas_pmic_driver_data palmas_ddata = {
 
 static struct palmas_pmic_driver_data tps65917_ddata = {
 	.smps_start = TPS65917_REG_SMPS1,
-	.smps_end = TPS65917_REG_SMPS5,
+	.smps_end = TPS65917_REG_SMPS12,
 	.ldo_begin = TPS65917_REG_LDO1,
 	.ldo_end = TPS65917_REG_LDO5,
 	.max_reg = TPS65917_NUM_REGS,
@@ -1643,8 +1653,10 @@ static int palmas_regulators_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
+	if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
 		pmic->smps123 = 1;
+		pmic->smps12 = 1;
+	}
 
 	if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
 		pmic->smps457 = 1;

include/linux/mfd/palmas.h

@@ -250,6 +250,7 @@ enum tps65917_regulators {
 	TPS65917_REG_SMPS3,
 	TPS65917_REG_SMPS4,
 	TPS65917_REG_SMPS5,
+	TPS65917_REG_SMPS12,
 	/* LDO regulators */
 	TPS65917_REG_LDO1,
 	TPS65917_REG_LDO2,
@@ -317,6 +318,7 @@ enum tps65917_external_requestor_id {
 	TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
 	TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
 	TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
+	TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
 	TPS65917_EXTERNAL_REQSTR_ID_LDO1,
 	TPS65917_EXTERNAL_REQSTR_ID_LDO2,
 	TPS65917_EXTERNAL_REQSTR_ID_LDO3,