mfd: sec: Provide max_register to regmap

Enable debugfs register dumps and greater error checking within the
regmap API providing the maximum register to the regmap API.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 40 insertions, 1 deletions

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index cc896d1c1cdd..79767681483a 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -25,6 +25,9 @@
 #include <linux/mfd/samsung/core.h>
 #include <linux/mfd/samsung/irq.h>
 #include <linux/mfd/samsung/rtc.h>
+#include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s5m8763.h>
+#include <linux/mfd/samsung/s5m8767.h>
 #include <linux/regmap.h>
 
 static struct mfd_cell s5m8751_devs[] = {
@@ -105,6 +108,26 @@ static struct regmap_config sec_regmap_config = {
         .val_bits = 8,
 };
 
+static struct regmap_config s2mps11_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S2MPS11_REG_L38CTRL,
+};
+
+static struct regmap_config s5m8763_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S5M8763_REG_LBCNFG2,
+};
+
+static struct regmap_config s5m8767_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S5M8767_REG_LDO28CTRL,
+};
 
 #ifdef CONFIG_OF
 /*
@@ -160,6 +183,7 @@ static int sec_pmic_probe(struct i2c_client *i2c,
                             const struct i2c_device_id *id)
 {
         struct sec_platform_data *pdata = i2c->dev.platform_data;
+        const struct regmap_config *regmap;
         struct sec_pmic_dev *sec_pmic;
         int ret;
 
@@ -190,7 +214,22 @@ static int sec_pmic_probe(struct i2c_client *i2c,
                 sec_pmic->pdata = pdata;
         }
 
-        sec_pmic->regmap = devm_regmap_init_i2c(i2c, &sec_regmap_config);
+        switch (sec_pmic->device_type) {
+        case S2MPS11X:
+                regmap = &s2mps11_regmap_config;
+                break;
+        case S5M8763X:
+                regmap = &s5m8763_regmap_config;
+                break;
+        case S5M8767X:
+                regmap = &s5m8767_regmap_config;
+                break;
+        default:
+                regmap = &sec_regmap_config;
+                break;
+        }
+
+        sec_pmic->regmap = devm_regmap_init_i2c(i2c, regmap);
         if (IS_ERR(sec_pmic->regmap)) {
                 ret = PTR_ERR(sec_pmic->regmap);
                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",