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authorJacob Chen <jacob-chen@iotwrt.com>2017-05-02 14:54:50 +0800
committerSimon Glass <sjg@chromium.org>2017-05-10 13:37:22 -0600
commitb049acc9020b642d304caf547bb63c9128eeda89 (patch)
tree497501a34b307c91226e7ef3c48249247c87c115 /drivers/power
parentd77af8a8c9f75cb8ffe7804dfe0c999cc727afdd (diff)
power: regulator: rk808: replace vsel_bits with vsel_mask
Using mask is more flexible than bits. Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/regulator/rk808.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/power/regulator/rk808.c b/drivers/power/regulator/rk808.c
index f1a00c5fbd..441806cfbf 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)