regulator: mt6397: Implement of_map_mode
Implementing of_map_mode is necessary to be able to specify operating
modes in the devicetree using 'regulator-allowed-modes', and to change
regulator modes.
Signed-off-by: Anand K Mistry <amistry@google.com>
Link: https://lore.kernel.org/r/20200702162231.v2.3.I7acfb591bfacf3b1b04a3d388385098bfcc9fecd@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/mt6397-regulator.c b/drivers/regulator/mt6397-regulator.c
index d51e98c..0a30df5 100644
--- a/drivers/regulator/mt6397-regulator.c
+++ b/drivers/regulator/mt6397-regulator.c
@@ -53,6 +53,7 @@ struct mt6397_regulator_info {
.vsel_mask = vosel_mask, \
.enable_reg = enreg, \
.enable_mask = BIT(0), \
+ .of_map_mode = mt6397_map_mode, \
}, \
.qi = BIT(13), \
.vselon_reg = voselon, \
@@ -144,6 +145,18 @@ static const unsigned int ldo_volt_table7[] = {
1300000, 1500000, 1800000, 2000000, 2500000, 2800000, 3000000, 3300000,
};
+static unsigned int mt6397_map_mode(unsigned int mode)
+{
+ switch (mode) {
+ case MT6397_BUCK_MODE_AUTO:
+ return REGULATOR_MODE_NORMAL;
+ case MT6397_BUCK_MODE_FORCE_PWM:
+ return REGULATOR_MODE_FAST;
+ default:
+ return REGULATOR_MODE_INVALID;
+ }
+}
+
static int mt6397_regulator_set_mode(struct regulator_dev *rdev,
unsigned int mode)
{