regulator: tps65917: Add support for SMPS12

App support for SMPS12 dual phase regulator.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 17 insertions, 3 deletions

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 31ae5ee3a80d..8018a44ed4f7 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -264,6 +264,13 @@ static struct palmas_regs_info tps65917_regs_info[] = {
                 .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",
                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
@@ -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;
diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h
index 5c9a1d44c125..6dec43826303 100644
--- a/include/linux/mfd/palmas.h
+++ b/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,