[PATCH v2 2/2] regulator: tps6586x: Add support for the TPS658640

[Alban Bedel]

The TPS658640 has a different set of output voltage for most LDO and
the RTC LDO isn't settable. This chip also report 2 different version
ID, as the datasheet doesn't list the possible values the second ID
has simply been named TPS658640v2.

Signed-off-by: Alban Bedel <alban.bedel@xxxxxxxxxxxxxxxxx>
---
v2: Fixed the number of bits for the voltage selection of LDO_RTC
    Removed superflous whitspace after the tps658640_regulator array
---
 drivers/mfd/tps6586x.c                 |  4 ++++
 drivers/regulator/tps6586x-regulator.c | 36 ++++++++++++++++++++++++++++++++++
 include/linux/mfd/tps6586x.h           |  2 ++
 3 files changed, 42 insertions(+)

diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index bbd5441..835e554 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -495,6 +495,10 @@ static void tps6586x_print_version(struct i2c_client *client, int version)
 	case TPS658623:
 		name = "TPS658623";
 		break;
+	case TPS658640:
+	case TPS658640v2:
+		name = "TPS658640";
+		break;
 	case TPS658643:
 		name = "TPS658643";
 		break;
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index da8ee02..e045b7f 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -116,6 +116,13 @@ static const unsigned int tps6586x_sm2_voltages[] = {
 	4200000, 4250000, 4300000, 4350000, 4400000, 4450000, 4500000, 4550000,
 };
 
+static int tps658640_sm2_voltages[] = {
+	2150000, 2200000, 2250000, 2300000, 2350000, 2400000, 2450000, 2500000,
+	2550000, 2600000, 2650000, 2700000, 2750000, 2800000, 2850000, 2900000,
+	2950000, 3000000, 3050000, 3100000, 3150000, 3200000, 3250000, 3300000,
+	3350000, 3400000, 3450000, 3500000, 3550000, 3600000, 3650000, 3700000,
+};
+
 static const unsigned int tps658643_sm2_voltages[] = {
 	1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000,
 	1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000,
@@ -130,6 +137,10 @@ static const unsigned int tps6586x_dvm_voltages[] = {
 	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
 };
 
+static int tps658640_rtc_voltages[] = {
+	2500000, 2850000, 3100000, 3300000,
+};
+
 #define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \
 			   ereg0, ebit0, ereg1, ebit1, goreg, gobit)	\
 	.desc	= {							\
@@ -224,6 +235,26 @@ static struct tps6586x_regulator tps658623_regulator[] = {
 					END, 7),
 };
 
+static struct tps6586x_regulator tps658640_regulator[] = {
+	TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo0, SUPPLYV4, 0, 3,
+					ENC, 2, END, 2),
+	TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo0, SUPPLYV6, 0, 3,
+					ENE, 6, ENE, 6),
+	TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo0, SUPPLYV3, 0, 3,
+					ENC, 4, END, 4),
+	TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo0, SUPPLYV3, 3, 3,
+					ENC, 5, END, 5),
+	TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo0, SUPPLYV2, 5, 3,
+					ENC, 6, END, 6),
+	TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo0, SUPPLYV6, 3, 3,
+					ENE, 7, ENE, 7),
+	TPS6586X_LDO(SM_2, "vin-sm2", tps658640_sm2, SUPPLYV2, 0, 5,
+					ENC, 7, END, 7),
+
+	TPS6586X_FIXED_LDO(LDO_RTC, "REG-SYS", tps658640_rtc, SUPPLYV4, 3, 2,
+					V4, 7, V4, 7),
+};
+
 static struct tps6586x_regulator tps658643_regulator[] = {
 	TPS6586X_LDO(SM_2, "vin-sm2", tps658643_sm2, SUPPLYV2, 0, 5, ENC, 7,
 					END, 7),
@@ -312,6 +343,11 @@ static struct tps6586x_regulator *find_regulator_info(int id, int version)
 		table = tps658623_regulator;
 		num = ARRAY_SIZE(tps658623_regulator);
 		break;
+	case TPS658640:
+	case TPS658640v2:
+		table = tps658640_regulator;
+		num = ARRAY_SIZE(tps658640_regulator);
+		break;
 	case TPS658643:
 		table = tps658643_regulator;
 		num = ARRAY_SIZE(tps658643_regulator);
diff --git a/include/linux/mfd/tps6586x.h b/include/linux/mfd/tps6586x.h
index cbecec2..96187ed 100644
--- a/include/linux/mfd/tps6586x.h
+++ b/include/linux/mfd/tps6586x.h
@@ -17,6 +17,8 @@
 #define TPS658621A	0x15
 #define TPS658621CD	0x2c
 #define TPS658623	0x1b
+#define TPS658640	0x01
+#define TPS658640v2	0x02
 #define TPS658643	0x03
 
 enum {
-- 
1.9.3

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