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power: regulator: rk808: replace vsel_bits with vsel_mask

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Using mask is more flexible than bits.

Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
master
Jacob Chen 8 years ago committed by Simon Glass
parent d77af8a8c9
commit b049acc902
1 changed files with 22 additions and 17 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 39
      drivers/power/regulator/rk808.c

39
drivers/power/regulator/rk808.c
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@ -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)

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