diff options
| author | Elaine Zhang <zhangqing@rock-chips.com> | 2019-09-26 15:43:55 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-11-10 20:32:51 +0800 |
| commit | b62280745e553b5800fa0797b920e547c92da82d (patch) | |
| tree | bbff2e6e55cb55fdb95fdb157df44da5a765d50b /drivers/power/regulator | |
| parent | addd062beaccc028fccdc90500d5d17647461da6 (diff) | |
| download | u-boot-b62280745e553b5800fa0797b920e547c92da82d.tar.gz | |
power: pmic: rk805: support rk805 pmic
The RK805 are a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators(4*BUCKs, 3*LDOs)
- RTC
- Clocking
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/power/regulator')
| -rw-r--r-- | drivers/power/regulator/rk8xx.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c index 5a474c7313..466a871b7e 100644 --- a/drivers/power/regulator/rk8xx.c +++ b/drivers/power/regulator/rk8xx.c @@ -38,7 +38,14 @@ /* * Ramp delay */ +#define RK805_RAMP_RATE_OFFSET 3 +#define RK805_RAMP_RATE_MASK (3 << RK805_RAMP_RATE_OFFSET) +#define RK805_RAMP_RATE_3MV_PER_US (0 << RK805_RAMP_RATE_OFFSET) +#define RK805_RAMP_RATE_6MV_PER_US (1 << RK805_RAMP_RATE_OFFSET) +#define RK805_RAMP_RATE_12_5MV_PER_US (2 << RK805_RAMP_RATE_OFFSET) +#define RK805_RAMP_RATE_25MV_PER_US (3 << RK805_RAMP_RATE_OFFSET) #define RK808_RAMP_RATE_OFFSET 3 + #define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET) #define RK808_RAMP_RATE_2MV_PER_US (0 << RK808_RAMP_RATE_OFFSET) #define RK808_RAMP_RATE_4MV_PER_US (1 << RK808_RAMP_RATE_OFFSET) @@ -131,6 +138,7 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic, struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { + case RK805_ID: case RK816_ID: switch (num) { case 0: @@ -185,6 +193,7 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable) struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { + case RK805_ID: case RK816_ID: if (buck >= 4) { buck -= 4; @@ -246,6 +255,7 @@ static int _buck_get_enable(struct udevice *pmic, int buck) int ret = 0; switch (priv->variant) { + case RK805_ID: case RK816_ID: if (buck >= 4) { mask = 1 << (buck - 4); @@ -277,6 +287,7 @@ static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable) 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, @@ -302,6 +313,7 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck) uint mask; switch (priv->variant) { + case RK805_ID: case RK816_ID: mask = 1 << buck; val = pmic_reg_read(pmic, RK816_REG_DCDC_SLP_EN); @@ -330,6 +342,7 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic, struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { + case RK805_ID: case RK816_ID: return &rk816_ldo[num]; case RK818_ID: @@ -346,6 +359,7 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo) int ret = 0; switch (priv->variant) { + case RK805_ID: case RK816_ID: if (ldo >= 4) { mask = 1 << (ldo - 4); @@ -377,6 +391,7 @@ static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable) int ret = 0; switch (priv->variant) { + case RK805_ID: case RK816_ID: if (ldo >= 4) { ldo -= 4; @@ -409,6 +424,7 @@ static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable) 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, @@ -432,6 +448,7 @@ static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo) uint mask; switch (priv->variant) { + case RK805_ID: case RK816_ID: mask = 1 << ldo; val = pmic_reg_read(pmic, RK816_REG_LDO_SLP_EN); |