diff options
Diffstat (limited to 'drivers/power/regulator')
| -rw-r--r-- | drivers/power/regulator/rk8xx.c | 189 |
1 files changed, 185 insertions, 4 deletions
diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c index 466a871b7e8..a5692edd002 100644 --- a/drivers/power/regulator/rk8xx.c +++ b/drivers/power/regulator/rk8xx.c @@ -27,6 +27,21 @@ #define RK808_BUCK4_VSEL_MASK 0xf #define RK808_LDO_VSEL_MASK 0x1f +/* RK817 BUCK */ +#define RK817_BUCK_ON_VSEL(n) (0xbb + 3 * ((n) - 1)) +#define RK817_BUCK_SLP_VSEL(n) (0xbc + 3 * ((n) - 1)) +#define RK817_BUCK_VSEL_MASK 0x7f +#define RK817_BUCK_CONFIG(i) (0xba + (i) * 3) + +/* RK817 LDO */ +#define RK817_LDO_ON_VSEL(n) (0xcc + 2 * ((n) - 1)) +#define RK817_LDO_SLP_VSEL(n) (0xcd + 2 * ((n) - 1)) +#define RK817_LDO_VSEL_MASK 0x7f + +/* RK817 ENABLE */ +#define RK817_POWER_EN(n) (0xb1 + (n)) +#define RK817_POWER_SLP_EN(n) (0xb5 + (n)) + #define RK818_BUCK_VSEL_MASK 0x3f #define RK818_BUCK4_VSEL_MASK 0x1f #define RK818_LDO_VSEL_MASK 0x1f @@ -45,13 +60,19 @@ #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) #define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET) #define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET) +#define RK817_RAMP_RATE_OFFSET 6 +#define RK817_RAMP_RATE_MASK (0x3 << RK817_RAMP_RATE_OFFSET) +#define RK817_RAMP_RATE_3MV_PER_US (0x0 << RK817_RAMP_RATE_OFFSET) +#define RK817_RAMP_RATE_6_3MV_PER_US (0x1 << RK817_RAMP_RATE_OFFSET) +#define RK817_RAMP_RATE_12_5MV_PER_US (0x2 << RK817_RAMP_RATE_OFFSET) +#define RK817_RAMP_RATE_25MV_PER_US (0x3 << RK817_RAMP_RATE_OFFSET) + struct rk8xx_reg_info { uint min_uv; uint step_uv; @@ -84,6 +105,25 @@ static const struct rk8xx_reg_info rk816_buck[] = { { 800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, }, }; +static const struct rk8xx_reg_info rk817_buck[] = { + /* buck 1 */ + { 500000, 12500, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x00, }, + { 1500000, 100000, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x50, }, + { 2400000, 0, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x59, }, + /* buck 2 */ + { 500000, 12500, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x00, }, + { 1500000, 100000, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x50, }, + { 2400000, 0, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x59, }, + /* buck 3 */ + { 500000, 12500, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x00, }, + { 1500000, 100000, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x50, }, + { 2400000, 0, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x59, }, + /* buck 4 */ + { 500000, 12500, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x00, }, + { 1500000, 100000, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x50, }, + { 3400000, 0, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x63, }, +}; + static const struct rk8xx_reg_info rk818_buck[] = { { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, }, { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, }, @@ -112,6 +152,36 @@ static const struct rk8xx_reg_info rk816_ldo[] = { { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, }; +static const struct rk8xx_reg_info rk817_ldo[] = { + /* ldo1 */ + { 600000, 25000, RK817_LDO_ON_VSEL(1), RK817_LDO_SLP_VSEL(1), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(1), RK817_LDO_SLP_VSEL(1), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo2 */ + { 600000, 25000, RK817_LDO_ON_VSEL(2), RK817_LDO_SLP_VSEL(2), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(2), RK817_LDO_SLP_VSEL(2), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo3 */ + { 600000, 25000, RK817_LDO_ON_VSEL(3), RK817_LDO_SLP_VSEL(3), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(3), RK817_LDO_SLP_VSEL(3), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo4 */ + { 600000, 25000, RK817_LDO_ON_VSEL(4), RK817_LDO_SLP_VSEL(4), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(4), RK817_LDO_SLP_VSEL(4), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo5 */ + { 600000, 25000, RK817_LDO_ON_VSEL(5), RK817_LDO_SLP_VSEL(5), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(5), RK817_LDO_SLP_VSEL(5), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo6 */ + { 600000, 25000, RK817_LDO_ON_VSEL(6), RK817_LDO_SLP_VSEL(6), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(6), RK817_LDO_SLP_VSEL(6), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo7 */ + { 600000, 25000, RK817_LDO_ON_VSEL(7), RK817_LDO_SLP_VSEL(7), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(7), RK817_LDO_SLP_VSEL(7), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo8 */ + { 600000, 25000, RK817_LDO_ON_VSEL(8), RK817_LDO_SLP_VSEL(8), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(8), RK817_LDO_SLP_VSEL(8), NA, RK817_LDO_VSEL_MASK, 0x70, }, + /* ldo9 */ + { 600000, 25000, RK817_LDO_ON_VSEL(9), RK817_LDO_SLP_VSEL(9), NA, RK817_LDO_VSEL_MASK, 0x00, }, + { 3400000, 0, RK817_LDO_ON_VSEL(9), RK817_LDO_SLP_VSEL(9), NA, RK817_LDO_VSEL_MASK, 0x70, }, +}; + static const struct rk8xx_reg_info rk818_ldo[] = { { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, @@ -152,6 +222,24 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic, default: return &rk816_buck[num + 4]; } + + case RK817_ID: + switch (num) { + case 0 ... 2: + if (uvolt < 1500000) + return &rk817_buck[num * 3 + 0]; + else if (uvolt < 2400000) + return &rk817_buck[num * 3 + 1]; + else + return &rk817_buck[num * 3 + 2]; + case 3: + if (uvolt < 1500000) + return &rk817_buck[num * 3 + 0]; + else if (uvolt < 3400000) + return &rk817_buck[num * 3 + 1]; + else + return &rk817_buck[num * 3 + 2]; + } case RK818_ID: return &rk818_buck[num]; default: @@ -189,7 +277,7 @@ static int _buck_set_value(struct udevice *pmic, int buck, int uvolt) static int _buck_set_enable(struct udevice *pmic, int buck, bool enable) { uint mask, value, en_reg; - int ret; + int ret = 0; struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { @@ -220,6 +308,15 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable) ret = pmic_clrsetbits(pmic, REG_DCDC_EN, mask, enable ? mask : 0); break; + case RK817_ID: + if (buck < 4) { + if (enable) + value = ((1 << buck) | (1 << (buck + 4))); + else + value = ((0 << buck) | (1 << (buck + 4))); + ret = pmic_reg_write(pmic, RK817_POWER_EN(0), value); + } + break; default: ret = -EINVAL; } @@ -272,6 +369,12 @@ static int _buck_get_enable(struct udevice *pmic, int buck) if (ret < 0) return ret; break; + case RK817_ID: + if (buck < 4) { + mask = 1 << buck; + ret = pmic_reg_read(pmic, RK817_POWER_EN(0)); + } + break; } if (ret < 0) @@ -282,7 +385,7 @@ static int _buck_get_enable(struct udevice *pmic, int buck) static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable) { - uint mask; + uint mask = 0; int ret; struct rk8xx_priv *priv = dev_get_priv(pmic); @@ -299,6 +402,12 @@ static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable) ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF1, mask, enable ? 0 : mask); break; + case RK817_ID: + if (buck < 4) + mask = 1 << buck; + ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(0), mask, + enable ? mask : 0); + break; default: ret = -EINVAL; } @@ -310,7 +419,7 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck) { struct rk8xx_priv *priv = dev_get_priv(pmic); int ret, val; - uint mask; + uint mask = 0; switch (priv->variant) { case RK805_ID: @@ -329,6 +438,15 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck) return val; ret = val & mask ? 0 : 1; break; + case RK817_ID: + if (buck < 4) + mask = 1 << buck; + + val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(0)); + if (val < 0) + return val; + ret = val & mask ? 1 : 0; + break; default: ret = -EINVAL; } @@ -345,6 +463,11 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic, case RK805_ID: case RK816_ID: return &rk816_ldo[num]; + case RK817_ID: + if (uvolt < 3400000) + return &rk817_ldo[num * 2 + 0]; + else + return &rk817_ldo[num * 2 + 1]; case RK818_ID: return &rk818_ldo[num]; default: @@ -376,6 +499,20 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo) if (ret < 0) return ret; break; + case RK817_ID: + if (ldo < 4) { + mask = 1 << ldo; + ret = pmic_reg_read(pmic, RK817_POWER_EN(1)); + } else if (ldo < 8) { + mask = 1 << (ldo - 4); + ret = pmic_reg_read(pmic, RK817_POWER_EN(2)); + } else if (ldo == 8) { + mask = 1 << 0; + ret = pmic_reg_read(pmic, RK817_POWER_EN(3)); + } else { + return false; + } + break; } if (ret < 0) @@ -412,6 +549,24 @@ static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable) ret = pmic_clrsetbits(pmic, REG_LDO_EN, mask, enable ? mask : 0); break; + case RK817_ID: + if (ldo < 4) { + en_reg = RK817_POWER_EN(1); + } else if (ldo < 8) { + ldo -= 4; + en_reg = RK817_POWER_EN(2); + } else if (ldo == 8) { + ldo = 0; /* BIT 0 */ + en_reg = RK817_POWER_EN(3); + } else { + return -EINVAL; + } + if (enable) + value = ((1 << ldo) | (1 << (ldo + 4))); + else + value = ((0 << ldo) | (1 << (ldo + 4))); + ret = pmic_reg_write(pmic, en_reg, value); + break; } return ret; @@ -436,6 +591,17 @@ static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable) ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF2, mask, enable ? 0 : mask); break; + case RK817_ID: + if (ldo == 8) { + mask = 1 << 4; /* LDO9 */ + ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(0), mask, + enable ? mask : 0); + } else { + mask = 1 << ldo; + ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(1), mask, + enable ? mask : 0); + } + break; } return ret; @@ -464,6 +630,21 @@ static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo) return val; ret = val & mask ? 0 : 1; break; + case RK817_ID: + if (ldo == 8) { + mask = 1 << 4; /* LDO9 */ + val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(0)); + if (val < 0) + return val; + ret = val & mask ? 1 : 0; + } else { + mask = 1 << ldo; + val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(1)); + if (val < 0) + return val; + ret = val & mask ? 1 : 0; + } + break; } return ret; |