mfd: sec: Add support for S2MPS14

Add support for S2MPS14 PMIC device to the MFD sec-core driver.
The S2MPS14 is similar to S2MPS11 but it has fewer regulators, two
clocks instead of three and a little different registers layout.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 43 insertions, 5 deletions

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 9623899e6f7c..a4df76c160f8 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -27,6 +27,7 @@
 #include <linux/mfd/samsung/irq.h>
 #include <linux/mfd/samsung/rtc.h>
 #include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps14.h>
 #include <linux/mfd/samsung/s5m8763.h>
 #include <linux/mfd/samsung/s5m8767.h>
 #include <linux/regmap.h>
@@ -69,6 +70,16 @@ static const struct mfd_cell s2mps11_devs[] = {
         }
 };
 
+static const struct mfd_cell s2mps14_devs[] = {
+        {
+                .name = "s2mps14-pmic",
+        }, {
+                .name = "s2mps14-rtc",
+        }, {
+                .name = "s2mps14-clk",
+        }
+};
+
 #ifdef CONFIG_OF
 static struct of_device_id sec_dt_match[] = {
         {       .compatible = "samsung,s5m8767-pmic",
@@ -77,6 +88,9 @@ static struct of_device_id sec_dt_match[] = {
         {       .compatible = "samsung,s2mps11-pmic",
                 .data = (void *)S2MPS11X,
         },
+        {       .compatible = "samsung,s2mps14-pmic",
+                .data = (void *)S2MPS14X,
+        },
         {},
 };
 #endif
@@ -120,6 +134,15 @@ static const struct regmap_config s2mps11_regmap_config = {
         .cache_type = REGCACHE_FLAT,
 };
 
+static const struct regmap_config s2mps14_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S2MPS14_REG_LDODSCH3,
+        .volatile_reg = s2mps11_volatile,
+        .cache_type = REGCACHE_FLAT,
+};
+
 static const struct regmap_config s5m8763_regmap_config = {
         .reg_bits = 8,
         .val_bits = 8,
@@ -138,13 +161,20 @@ static const struct regmap_config s5m8767_regmap_config = {
         .cache_type = REGCACHE_FLAT,
 };
 
-static const struct regmap_config sec_rtc_regmap_config = {
+static const struct regmap_config s5m_rtc_regmap_config = {
         .reg_bits = 8,
         .val_bits = 8,
 
         .max_register = SEC_RTC_REG_MAX,
 };
 
+static const struct regmap_config s2mps14_rtc_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S2MPS_RTC_REG_MAX,
+};
+
 #ifdef CONFIG_OF
 /*
  * Only the common platform data elements for s5m8767 are parsed here from the
@@ -239,19 +269,23 @@ static int sec_pmic_probe(struct i2c_client *i2c,
                  * However we must pass something to devm_regmap_init_i2c()
                  * so use S5M-like regmap config even though it wouldn't work.
                  */
-                regmap_rtc = &sec_rtc_regmap_config;
+                regmap_rtc = &s5m_rtc_regmap_config;
+                break;
+        case S2MPS14X:
+                regmap = &s2mps14_regmap_config;
+                regmap_rtc = &s2mps14_rtc_regmap_config;
                 break;
         case S5M8763X:
                 regmap = &s5m8763_regmap_config;
-                regmap_rtc = &sec_rtc_regmap_config;
+                regmap_rtc = &s5m_rtc_regmap_config;
                 break;
         case S5M8767X:
                 regmap = &s5m8767_regmap_config;
-                regmap_rtc = &sec_rtc_regmap_config;
+                regmap_rtc = &s5m_rtc_regmap_config;
                 break;
         default:
                 regmap = &sec_regmap_config;
-                regmap_rtc = &sec_rtc_regmap_config;
+                regmap_rtc = &s5m_rtc_regmap_config;
                 break;
         }
 
@@ -298,6 +332,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
                 ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
                                       ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
                 break;
+        case S2MPS14X:
+                ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
+                                      ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
+                break;
         default:
                 /* If this happens the probe function is problem */
                 BUG();