regulator: Add support for tps62362 and tps62363 in tps62360-regulator driver

According to the datasheet[1], tps62360 is register compatible with tps62362.
tps62361B is register compatible with tps62363.
Thus this patch adds support for tps62362 and tps62363.

[1] http://www.ti.com/litv/pdf/slvsau9b

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 24 insertions, 10 deletions

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index ed37125b8877..8fb5f81c3569 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -268,11 +268,11 @@ config REGULATOR_TPS6105X
           audio amplifiers.
 
 config REGULATOR_TPS62360
-        tristate "TI TPS62360 Power Regulator"
+        tristate "TI TPS6236x Power Regulator"
         depends on I2C
         select REGMAP_I2C
         help
-          This driver supports TPS62360 voltage regulator chip. This
+          This driver supports TPS6236x voltage regulator chip. This
           regulator is meant for processor core supply. This chip is
           high-frequency synchronous step down dc-dc converter optimized
           for battery-powered portable applications.
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index b18b7cad7f95..aa57632c0150 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -1,7 +1,7 @@
 /*
  * tps62360.c -- TI tps62360
  *
- * Driver for processor core supply tps62360 and tps62361B
+ * Driver for processor core supply tps62360, tps62361B, tps62362 and tps62363.
  *
  * Copyright (c) 2012, NVIDIA Corporation.
  *
@@ -46,7 +46,7 @@
 #define REG_RAMPCTRL            6
 #define REG_CHIPID              8
 
-enum chips {TPS62360, TPS62361};
+enum chips {TPS62360, TPS62361, TPS62362, TPS62363};
 
 #define TPS62360_BASE_VOLTAGE   770
 #define TPS62360_N_VOLTAGES     64
@@ -296,14 +296,26 @@ static int __devinit tps62360_probe(struct i2c_client *client,
         tps->vsel0_gpio = pdata->vsel0_gpio;
         tps->vsel1_gpio = pdata->vsel1_gpio;
         tps->dev = &client->dev;
-        tps->voltage_base = (id->driver_data == TPS62360) ?
-                                TPS62360_BASE_VOLTAGE : TPS62361_BASE_VOLTAGE;
-        tps->voltage_reg_mask = (id->driver_data == TPS62360) ? 0x3F : 0x7F;
+
+        switch (id->driver_data) {
+        case TPS62360:
+        case TPS62362:
+                tps->voltage_base = TPS62360_BASE_VOLTAGE;
+                tps->voltage_reg_mask = 0x3F;
+                tps->desc.n_voltages = TPS62360_N_VOLTAGES;
+                break;
+        case TPS62361:
+        case TPS62363:
+                tps->voltage_base = TPS62361_BASE_VOLTAGE;
+                tps->voltage_reg_mask = 0x7F;
+                tps->desc.n_voltages = TPS62361_N_VOLTAGES;
+                break;
+        default:
+                return -ENODEV;
+        }
 
         tps->desc.name = id->name;
         tps->desc.id = 0;
-        tps->desc.n_voltages = (id->driver_data == TPS62360) ?
-                                TPS62360_N_VOLTAGES : TPS62361_N_VOLTAGES;
         tps->desc.ops = &tps62360_dcdc_ops;
         tps->desc.type = REGULATOR_VOLTAGE;
         tps->desc.owner = THIS_MODULE;
@@ -435,6 +447,8 @@ static void tps62360_shutdown(struct i2c_client *client)
 static const struct i2c_device_id tps62360_id[] = {
         {.name = "tps62360", .driver_data = TPS62360},
         {.name = "tps62361", .driver_data = TPS62361},
+        {.name = "tps62362", .driver_data = TPS62362},
+        {.name = "tps62363", .driver_data = TPS62363},
         {},
 };
 
@@ -464,5 +478,5 @@ static void __exit tps62360_cleanup(void)
 module_exit(tps62360_cleanup);
 
 MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
-MODULE_DESCRIPTION("TPS62360 voltage regulator driver");
+MODULE_DESCRIPTION("TPS6236x voltage regulator driver");
 MODULE_LICENSE("GPL v2");