regulator: mc13892: add device tree probe support

It adds device tree probe support for mc13892-regulator driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h
index 75e383226a87..b3961c658b05 100644
--- a/drivers/regulator/mc13xxx.h
+++ b/drivers/regulator/mc13xxx.h
@@ -29,6 +29,7 @@ struct mc13xxx_regulator_priv {
         struct mc13xxx *mc13xxx;
         u32 powermisc_pwgt_state;
         struct mc13xxx_regulator *mc13xxx_regulators;
+        int num_regulators;
         struct regulator_dev *regulators[];
 };
 
@@ -42,6 +43,25 @@ extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
                 int min_uV, int max_uV, unsigned *selector);
 extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev);
 
+#ifdef CONFIG_OF
+extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
+extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
+        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
+        int num_regulators);
+#else
+static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
+{
+        return -ENODEV;
+}
+
+static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
+        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
+        int num_regulators)
+{
+        return NULL;
+}
+#endif
+
 extern struct regulator_ops mc13xxx_regulator_ops;
 extern struct regulator_ops mc13xxx_fixed_regulator_ops;