diff options
| -rw-r--r-- | drivers/power/regulator/rk8xx.c | 34 | ||||
| -rw-r--r-- | include/power/rk8xx_pmic.h | 2 |
2 files changed, 36 insertions, 0 deletions
diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c index d96a1f8..7c0a3aa 100644 --- a/drivers/power/regulator/rk8xx.c +++ b/drivers/power/regulator/rk8xx.c @@ -30,6 +30,9 @@ #define RK818_LDO_VSEL_MASK 0x1f #define RK818_LDO3_ON_VSEL_MASK 0xf #define RK818_BOOST_ON_VSEL_MASK 0xe0 +#define RK818_USB_ILIM_SEL_MASK 0x0f +#define RK818_USB_CHG_SD_VSEL_MASK 0x70 + struct rk8xx_reg_info { uint min_uv; @@ -76,6 +79,14 @@ static const struct rk8xx_reg_info rk818_ldo[] = { }; #endif +static const u16 rk818_chrg_cur_input_array[] = { + 450, 800, 850, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000 +}; + +static const uint rk818_chrg_shutdown_vsel_array[] = { + 2780000, 2850000, 2920000, 2990000, 3060000, 3130000, 3190000, 3260000 +}; + static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic, int num) { @@ -353,3 +364,26 @@ int rk8xx_spl_configure_buck(struct udevice *pmic, int buck, int uvolt) return _buck_set_enable(pmic, buck, true); } + +int rk818_spl_configure_usb_input_current(struct udevice *pmic, int current_ma) +{ + uint i; + + for (i = 0; i < ARRAY_SIZE(rk818_chrg_cur_input_array); i++) + if (current_ma <= rk818_chrg_cur_input_array[i]) + break; + + return pmic_clrsetbits(pmic, REG_USB_CTRL, RK818_USB_ILIM_SEL_MASK, i); +} + +int rk818_spl_configure_usb_chrg_shutdown(struct udevice *pmic, int uvolt) +{ + uint i; + + for (i = 0; i < ARRAY_SIZE(rk818_chrg_shutdown_vsel_array); i++) + if (uvolt <= rk818_chrg_shutdown_vsel_array[i]) + break; + + return pmic_clrsetbits(pmic, REG_USB_CTRL, RK818_USB_CHG_SD_VSEL_MASK, + i); +} diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h index 589f8c4..47a6b36 100644 --- a/include/power/rk8xx_pmic.h +++ b/include/power/rk8xx_pmic.h @@ -189,5 +189,7 @@ struct rk8xx_priv { }; int rk8xx_spl_configure_buck(struct udevice *pmic, int buck, int uvolt); +int rk818_spl_configure_usb_input_current(struct udevice *pmic, int current_ma); +int rk818_spl_configure_usb_chrg_shutdown(struct udevice *pmic, int uvolt); #endif |