summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-27 16:04:23 -0700
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-10 11:25:10 +0800
commitdf36793115b4f68181877a1c89bac54feadd965d (patch)
tree2edb5c9d4ad8c6d1e0bc5d2b187c9248c313e6f0
parentf59c8f9fe689790248ae7aa7426579982050638c (diff)
downloadlinux-df36793115b4f68181877a1c89bac54feadd965d.tar.bz2
regulator: core: Provide regmap get/set bypass operations
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--drivers/regulator/core.c41
-rw-r--r--include/linux/regulator/driver.h4
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 64e16053975e..419805cdd9d7 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2699,6 +2699,47 @@ out:
EXPORT_SYMBOL_GPL(regulator_set_optimum_mode);
/**
+ * regulator_set_bypass_regmap - Default set_bypass() using regmap
+ *
+ * @rdev: device to operate on.
+ * @enable: state to set.
+ */
+int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable)
+{
+ unsigned int val;
+
+ if (enable)
+ val = rdev->desc->bypass_mask;
+ else
+ val = 0;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->bypass_reg,
+ rdev->desc->bypass_mask, val);
+}
+EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap);
+
+/**
+ * regulator_get_bypass_regmap - Default get_bypass() using regmap
+ *
+ * @rdev: device to operate on.
+ * @enable: current state.
+ */
+int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ *enable = val & rdev->desc->bypass_mask;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);
+
+/**
* regulator_allow_bypass - allow the regulator to go into bypass mode
*
* @regulator: Regulator to configure
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index c9869cfbf261..7274a469e8d9 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -214,6 +214,8 @@ struct regulator_desc {
unsigned int vsel_mask;
unsigned int enable_reg;
unsigned int enable_mask;
+ unsigned int bypass_reg;
+ unsigned int bypass_mask;
unsigned int enable_time;
};
@@ -320,6 +322,8 @@ int regulator_disable_regmap(struct regulator_dev *rdev);
int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int old_selector,
unsigned int new_selector);
+int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable);
+int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);