Using mask is more flexible than bits.
Signed-off-by: Jacob Chen jacob-chen@iotwrt.com ---
drivers/power/regulator/rk808.c | 39 ++++++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 17 deletions(-)
diff --git a/drivers/power/regulator/rk808.c b/drivers/power/regulator/rk808.c index f1a00c5..441806c 100644 --- a/drivers/power/regulator/rk808.c +++ b/drivers/power/regulator/rk808.c @@ -20,36 +20,41 @@ #define ENABLE_DRIVER #endif
+/* Field Definitions */ +#define RK808_BUCK_VSEL_MASK 0x3f +#define RK808_BUCK4_VSEL_MASK 0xf +#define RK808_LDO_VSEL_MASK 0x1f + struct rk808_reg_info { uint min_uv; uint step_uv; s8 vsel_reg; - u8 vsel_bits; + u8 vsel_mask; };
static const struct rk808_reg_info rk808_buck[] = { - { 712500, 12500, REG_BUCK1_ON_VSEL, 6, }, - { 712500, 12500, REG_BUCK2_ON_VSEL, 6, }, - { 712500, 12500, -1, 6, }, - { 1800000, 100000, REG_BUCK4_ON_VSEL, 4, }, + { 712500, 12500, REG_BUCK1_ON_VSEL, RK808_BUCK_VSEL_MASK, }, + { 712500, 12500, REG_BUCK2_ON_VSEL, RK808_BUCK_VSEL_MASK, }, + { 712500, 12500, -1, RK808_BUCK_VSEL_MASK, }, + { 1800000, 100000, REG_BUCK4_ON_VSEL, RK808_BUCK4_VSEL_MASK, }, };
static const struct rk808_reg_info rk808_ldo[] = { - { 1800000, 100000, REG_LDO1_ON_VSEL, 5, }, - { 1800000, 100000, REG_LDO2_ON_VSEL, 5, }, - { 800000, 100000, REG_LDO3_ON_VSEL, 4, }, - { 1800000, 100000, REG_LDO4_ON_VSEL, 5, }, - { 1800000, 100000, REG_LDO5_ON_VSEL, 5, }, - { 800000, 100000, REG_LDO6_ON_VSEL, 5, }, - { 800000, 100000, REG_LDO7_ON_VSEL, 5, }, - { 1800000, 100000, REG_LDO8_ON_VSEL, 5, }, + { 1800000, 100000, REG_LDO1_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO2_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO3_ON_VSEL, RK808_BUCK4_VSEL_MASK, }, + { 1800000, 100000, REG_LDO4_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO5_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO6_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO7_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO8_ON_VSEL, RK808_LDO_VSEL_MASK, }, };
static int _buck_set_value(struct udevice *pmic, int buck, int uvolt) { const struct rk808_reg_info *info = &rk808_buck[buck - 1]; - int mask = (1 << info->vsel_bits) - 1; + int mask = info->vsel_mask; int val;
if (info->vsel_reg == -1) @@ -85,7 +90,7 @@ static int buck_get_value(struct udevice *dev) { int buck = dev->driver_data - 1; const struct rk808_reg_info *info = &rk808_buck[buck]; - int mask = (1 << info->vsel_bits) - 1; + int mask = info->vsel_mask; int ret, val;
if (info->vsel_reg == -1) @@ -131,7 +136,7 @@ static int ldo_get_value(struct udevice *dev) { int ldo = dev->driver_data - 1; const struct rk808_reg_info *info = &rk808_ldo[ldo]; - int mask = (1 << info->vsel_bits) - 1; + int mask = info->vsel_mask; int ret, val;
if (info->vsel_reg == -1) @@ -148,7 +153,7 @@ static int ldo_set_value(struct udevice *dev, int uvolt) { int ldo = dev->driver_data - 1; const struct rk808_reg_info *info = &rk808_ldo[ldo]; - int mask = (1 << info->vsel_bits) - 1; + int mask = info->vsel_mask; int val;
if (info->vsel_reg == -1)