diff options
author | Icenowy Zheng <icenowy@aosc.io> | 2017-05-18 15:16:49 +0800 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2017-05-19 17:57:59 +0100 |
commit | 1dbe0ccb0631c4ed399261934fe16f07407b078d (patch) | |
tree | 3b0709acd9a113dcedacc4209475fc2991301625 /drivers/regulator | |
parent | 2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff) | |
download | linux-1dbe0ccb0631c4ed399261934fe16f07407b078d.tar.bz2 |
regulator: axp20x-regulator: add support for AXP803
AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
controllable via I2C/RSB bus.
Add support for them.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/axp20x-regulator.c | 153 |
1 files changed, 131 insertions, 22 deletions
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 0b9d4e3e52c7..e2608fe770b9 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -244,6 +244,82 @@ static const struct regulator_desc axp22x_drivevbus_regulator = { .ops = &axp20x_ops_sw, }; +static const struct regulator_linear_range axp803_dcdc234_ranges[] = { + REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000), + REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x4b, 20000), +}; + +static const struct regulator_linear_range axp803_dcdc5_ranges[] = { + REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 10000), + REGULATOR_LINEAR_RANGE(1140000, 0x21, 0x44, 20000), +}; + +static const struct regulator_linear_range axp803_dcdc6_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000), + REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000), +}; + +/* AXP806's CLDO2 and AXP809's DLDO1 shares the same range */ +static const struct regulator_linear_range axp803_dldo2_ranges[] = { + REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000), + REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000), +}; + +static const struct regulator_desc axp803_regulators[] = { + AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)), + AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges, + 76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(1)), + AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges, + 76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(2)), + AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges, + 76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(3)), + AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges, + 68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(4)), + AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges, + 72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(5)), + /* secondary switchable output of DCDC1 */ + AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2, + BIT(7)), + AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)), + AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)), + AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)), + AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100, + AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)), + AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges, + 32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, + BIT(4)), + AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100, + AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)), + AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100, + AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)), + AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50, + AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)), + AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50, + AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)), + AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50, + AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)), + AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50, + AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)), + AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50, + AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)), + AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, + AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, + AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000), +}; + static const struct regulator_linear_range axp806_dcdca_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000), REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000), @@ -254,11 +330,6 @@ static const struct regulator_linear_range axp806_dcdcd_ranges[] = { REGULATOR_LINEAR_RANGE(1600000, 0x2e, 0x3f, 100000), }; -static const struct regulator_linear_range axp806_cldo2_ranges[] = { - REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000), - REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000), -}; - static const struct regulator_desc axp806_regulators[] = { AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", axp806_dcdca_ranges, 72, AXP806_DCDCA_V_CTRL, 0x7f, AXP806_PWR_OUT_CTRL1, @@ -289,7 +360,7 @@ static const struct regulator_desc axp806_regulators[] = { AXP806_BLDO4_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(3)), AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100, AXP806_CLDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(4)), - AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp806_cldo2_ranges, + AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp803_dldo2_ranges, 32, AXP806_CLDO2_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(5)), AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100, @@ -326,7 +397,7 @@ static const struct regulator_desc axp809_regulators[] = { AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)), AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100, AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)), - AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp806_cldo2_ranges, + AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp803_dldo2_ranges, 32, AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)), AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100, @@ -369,14 +440,21 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) def = 1500; step = 75; break; - case AXP806_ID: + case AXP803_ID: /* - * AXP806 DCDC work frequency setting has the same range and + * AXP803 DCDC work frequency setting has the same range and * step as AXP22X, but at a different register. * Fall through to the check below. * (See include/linux/mfd/axp20x.h) */ - reg = AXP806_DCDC_FREQ_CTRL; + reg = AXP803_DCDC_FREQ_CTRL; + case AXP806_ID: + /* + * AXP806 also have DCDC work frequency setting register at a + * different position. + */ + if (axp20x->variant == AXP806_ID) + reg = AXP806_DCDC_FREQ_CTRL; case AXP221_ID: case AXP223_ID: case AXP809_ID: @@ -475,6 +553,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work workmode <<= id - AXP22X_DCDC1; break; + case AXP803_ID: + if (id < AXP803_DCDC1 || id > AXP803_DCDC6) + return -EINVAL; + + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1); + workmode <<= id - AXP803_DCDC1; + break; + default: /* should not happen */ WARN_ON(1); @@ -492,20 +578,38 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) { u32 reg = 0; - /* Only AXP806 has poly-phase outputs */ - if (axp20x->variant != AXP806_ID) - return false; + /* + * Currently in our supported AXP variants, only AXP803 and AXP806 + * have polyphase regulators. + */ + switch (axp20x->variant) { + case AXP803_ID: + regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®); + + switch (id) { + case AXP803_DCDC3: + return !!(reg & BIT(6)); + case AXP803_DCDC6: + return !!(reg & BIT(7)); + } + break; - regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®); + case AXP806_ID: + regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®); + + switch (id) { + case AXP806_DCDCB: + return (((reg & GENMASK(7, 6)) == BIT(6)) || + ((reg & GENMASK(7, 6)) == BIT(7))); + case AXP806_DCDCC: + return ((reg & GENMASK(7, 6)) == BIT(7)); + case AXP806_DCDCE: + return !!(reg & BIT(5)); + } + break; - switch (id) { - case AXP806_DCDCB: - return (((reg & GENMASK(7, 6)) == BIT(6)) || - ((reg & GENMASK(7, 6)) == BIT(7))); - case AXP806_DCDCC: - return ((reg & GENMASK(7, 6)) == BIT(7)); - case AXP806_DCDCE: - return !!(reg & BIT(5)); + default: + return false; } return false; @@ -540,6 +644,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev) drivevbus = of_property_read_bool(pdev->dev.parent->of_node, "x-powers,drive-vbus-en"); break; + case AXP803_ID: + regulators = axp803_regulators; + nregulators = AXP803_REG_ID_MAX; + break; case AXP806_ID: regulators = axp806_regulators; nregulators = AXP806_REG_ID_MAX; @@ -579,6 +687,7 @@ static int axp20x_regulator_probe(struct platform_device *pdev) * name. */ if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) || + (regulators == axp803_regulators && i == AXP803_DC1SW) || (regulators == axp809_regulators && i == AXP809_DC1SW)) { new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), GFP_KERNEL); |