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regulator: rk8xx: add regulator suspend state setting implement 

Change-Id: I194f3bd7f9d7c03d9b8b15030d7448363b37af99
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2017-11-27 16:02:51 +08:00 committed by Kever Yang
parent fbc6dab938
commit e917b032f5
2 changed files with 148 additions and 41 deletions
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187
drivers/power/regulator/rk8xx.c
View File

@ -33,73 +33,73 @@
#define RK818_USB_ILIM_SEL_MASK 0x0f
#define RK818_USB_CHG_SD_VSEL_MASK 0x70
struct rk8xx_reg_info {
uint min_uv;
uint step_uv;
s8 vsel_reg;
s8 vsel_sleep_reg;
u8 vsel_mask;
};
static const struct rk8xx_reg_info rk808_buck[] = {
{ 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, },
{ 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, RK808_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, RK808_BUCK_VSEL_MASK, },
{ 712500, 12500, -1, -1, RK808_BUCK_VSEL_MASK, },
{ 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, RK808_BUCK4_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk816_buck[] = {
/* buck 1 */
{ 712500, 12500, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 1800000, 200000, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 2300000, 0, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 1800000, 200000, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 2300000, 0, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
/* buck 2 */
{ 712500, 12500, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 1800000, 200000, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 2300000, 0, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 1800000, 200000, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 2300000, 0, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
/* buck 3 */
{ 712500, 12500, -1, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, -1, -1, RK818_BUCK_VSEL_MASK, },
/* buck 4 */
{ 800000, 100000, REG_BUCK4_ON_VSEL, RK818_BUCK4_VSEL_MASK, },
{ 800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, RK818_BUCK4_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk818_buck[] = {
{ 712500, 12500, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, -1, RK818_BUCK_VSEL_MASK, },
{ 1800000, 100000, REG_BUCK4_ON_VSEL, RK818_BUCK4_VSEL_MASK, },
{ 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, -1, -1, RK818_BUCK_VSEL_MASK, },
{ 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, RK818_BUCK4_VSEL_MASK, },
};
#ifdef ENABLE_DRIVER
static const struct rk8xx_reg_info rk808_ldo[] = {
{ 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, },
{ 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, RK808_BUCK4_VSEL_MASK, },
{ 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, RK808_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, RK808_LDO_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk816_ldo[] = {
{ 800000, 100000, REG_LDO1_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO2_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO4_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO5_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, RK818_LDO_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk818_ldo[] = {
{ 1800000, 100000, REG_LDO1_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO2_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, RK818_LDO3_ON_VSEL_MASK, },
{ 1800000, 100000, REG_LDO4_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO5_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO7_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO8_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, RK818_LDO3_ON_VSEL_MASK, },
{ 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, RK818_LDO_VSEL_MASK, },
};
#endif
@ -153,6 +153,21 @@ static int _buck_set_value(struct udevice *pmic, int buck, int uvolt)
return pmic_clrsetbits(pmic, info->vsel_reg, mask, val);
}
static int _buck_set_suspend_value(struct udevice *pmic, int buck, int uvolt)
{
const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt);
int mask = info->vsel_mask;
int val;
if (info->vsel_sleep_reg == -1)
return -ENOSYS;
val = (uvolt - info->min_uv) / info->step_uv;
debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_sleep_reg, mask,
val);
return pmic_clrsetbits(pmic, info->vsel_sleep_reg, mask, val);
}
static int _buck_get_enable(struct udevice *pmic, int buck)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
@ -181,7 +196,6 @@ static int _buck_get_enable(struct udevice *pmic, int buck)
return ret & mask ? true : false;
}
static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
{
uint mask, value, en_reg;
@ -227,6 +241,33 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
return ret;
}
static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable)
{
uint mask;
int ret;
struct rk8xx_priv *priv = dev_get_priv(pmic);
switch (priv->variant) {
case RK805_ID:
case RK816_ID:
mask = 1 << buck;
ret = pmic_clrsetbits(pmic, RK816_REG_DCDC_SLP_EN, mask,
enable ? mask : 0);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << buck;
ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF1, mask,
enable ? 0 : mask);
break;
default:
ret = -EINVAL;
}
return ret;
}
#ifdef ENABLE_DRIVER
static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,
int num)
@ -272,7 +313,6 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
return ret & mask ? true : false;
}
static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
@ -306,6 +346,30 @@ static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
return ret;
}
static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
uint mask;
int ret = 0;
switch (priv->variant) {
case RK805_ID:
case RK816_ID:
mask = 1 << ldo;
ret = pmic_clrsetbits(pmic, RK816_REG_LDO_SLP_EN, mask,
enable ? mask : 0);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << ldo;
ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF2, mask,
enable ? 0 : mask);
break;
}
return ret;
}
static int buck_get_value(struct udevice *dev)
{
int buck = dev->driver_data - 1;
@ -330,6 +394,13 @@ static int buck_set_value(struct udevice *dev, int uvolt)
return _buck_set_value(dev->parent, buck, uvolt);
}
static int buck_set_suspend_value(struct udevice *dev, int uvolt)
{
int buck = dev->driver_data - 1;
return _buck_set_suspend_value(dev->parent, buck, uvolt);
}
static int buck_set_enable(struct udevice *dev, bool enable)
{
int buck = dev->driver_data - 1;
@ -337,6 +408,13 @@ static int buck_set_enable(struct udevice *dev, bool enable)
return _buck_set_enable(dev->parent, buck, enable);
}
static int buck_set_suspend_enable(struct udevice *dev, bool enable)
{
int buck = dev->driver_data - 1;
return _buck_set_suspend_enable(dev->parent, buck, enable);
}
static int buck_get_enable(struct udevice *dev)
{
int buck = dev->driver_data - 1;
@ -377,6 +455,22 @@ static int ldo_set_value(struct udevice *dev, int uvolt)
return pmic_clrsetbits(dev->parent, info->vsel_reg, mask, val);
}
static int ldo_set_suspend_value(struct udevice *dev, int uvolt)
{
int ldo = dev->driver_data - 1;
const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo);
int mask = info->vsel_mask;
int val;
if (info->vsel_sleep_reg == -1)
return -ENOSYS;
val = (uvolt - info->min_uv) / info->step_uv;
debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_sleep_reg, mask,
val);
return pmic_clrsetbits(dev->parent, info->vsel_sleep_reg, mask, val);
}
static int ldo_set_enable(struct udevice *dev, bool enable)
{
int ldo = dev->driver_data - 1;
@ -384,6 +478,13 @@ static int ldo_set_enable(struct udevice *dev, bool enable)
return _ldo_set_enable(dev->parent, ldo, enable);
}
static int ldo_set_suspend_enable(struct udevice *dev, bool enable)
{
int ldo = dev->driver_data - 1;
return _ldo_set_suspend_enable(dev->parent, ldo, enable);
}
static int ldo_get_enable(struct udevice *dev)
{
int ldo = dev->driver_data - 1;
@ -456,15 +557,19 @@ static int rk8xx_switch_probe(struct udevice *dev)
static const struct dm_regulator_ops rk8xx_buck_ops = {
.get_value = buck_get_value,
.set_value = buck_set_value,
.set_suspend_value = buck_set_suspend_value,
.get_enable = buck_get_enable,
.set_enable = buck_set_enable,
.set_suspend_enable = buck_set_suspend_enable,
};
static const struct dm_regulator_ops rk8xx_ldo_ops = {
.get_value = ldo_get_value,
.set_value = ldo_set_value,
.set_suspend_value = ldo_set_suspend_value,
.get_enable = ldo_get_enable,
.set_enable = ldo_set_enable,
.set_suspend_enable = ldo_set_suspend_enable,
};
static const struct dm_regulator_ops rk8xx_switch_ops = {

2
include/power/rk8xx_pmic.h
View File

@ -173,6 +173,8 @@ enum {
enum {
RK816_REG_DCDC_EN1 = 0x23,
RK816_REG_DCDC_EN2,
RK816_REG_DCDC_SLP_EN,
RK816_REG_LDO_SLP_EN,
RK816_REG_LDO_EN1 = 0x27,
RK816_REG_LDO_EN2,
};