regulator: axp20x: Add support for AXP22X regulators
Add AXP22X regulator definitions and variant id associations. This introduces a new "switch" type output for one of the regulators. It is a switchable secondary output of one regulator, with the same voltage level as the primary output. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> [wens@csie.org: Moved variant choosing to multi family support patch] [wens@csie.org: Add dc-dc work frequency range] [wens@csie.org: Add "switch" type output regulator DC1SW] Signed-off-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>hifive-unleashed-5.1
Boris BREZILLON
Lee Jones
parent
866bd951f2
commit
1b82b4e4f9
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@ -27,8 +27,12 @@
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#define AXP20X_IO_ENABLED 0x03
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#define AXP20X_IO_DISABLED 0x07
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#define AXP22X_IO_ENABLED 0x04
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#define AXP22X_IO_DISABLED 0x03
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#define AXP20X_WORKMODE_DCDC2_MASK BIT(2)
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#define AXP20X_WORKMODE_DCDC3_MASK BIT(1)
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#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT(x)
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#define AXP20X_FREQ_DCDC_MASK 0x0f
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@ -74,6 +78,26 @@
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.ops = &axp20x_ops, \
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}
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#define AXP_DESC_SW(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
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_vmask, _ereg, _emask) \
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[_family##_##_id] = { \
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.name = #_id, \
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.supply_name = (_supply), \
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.of_match = of_match_ptr(_match), \
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.regulators_node = of_match_ptr("regulators"), \
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.type = REGULATOR_VOLTAGE, \
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.id = _family##_##_id, \
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.n_voltages = (((_max) - (_min)) / (_step) + 1), \
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.owner = THIS_MODULE, \
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.min_uV = (_min) * 1000, \
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.uV_step = (_step) * 1000, \
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.vsel_reg = (_vreg), \
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.vsel_mask = (_vmask), \
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.enable_reg = (_ereg), \
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.enable_mask = (_emask), \
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.ops = &axp20x_ops_sw, \
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}
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#define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \
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[_family##_##_id] = { \
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.name = #_id, \
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@ -135,6 +159,14 @@ static struct regulator_ops axp20x_ops = {
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.is_enabled = regulator_is_enabled_regmap,
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};
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static struct regulator_ops axp20x_ops_sw = {
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.list_voltage = regulator_list_voltage_linear,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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};
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static const struct regulator_desc axp20x_regulators[] = {
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AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25,
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AXP20X_DCDC2_V_OUT, 0x3f, AXP20X_PWR_OUT_CTRL, 0x10),
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@ -152,6 +184,52 @@ static const struct regulator_desc axp20x_regulators[] = {
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AXP20X_IO_ENABLED, AXP20X_IO_DISABLED),
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};
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static const struct regulator_desc axp22x_regulators[] = {
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AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
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AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)),
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AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
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AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)),
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AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
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AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
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AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
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AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
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AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
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AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(4)),
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/* secondary switchable output of DCDC1 */
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AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", "dcdc1", 1600, 3400, 100,
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AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(7)),
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/* LDO regulator internally chained to DCDC5 */
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AXP_DESC(AXP22X, DC5LDO, "dc5ldo", "dcdc5", 700, 1400, 100,
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AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)),
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AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
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AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)),
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AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
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AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
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AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
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AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
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AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
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AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
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AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
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AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)),
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AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
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AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
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AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
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AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
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AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
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AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
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AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
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AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
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AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
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AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
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AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 1800, 3300, 100,
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AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
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AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
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AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 1800, 3300, 100,
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AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
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AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
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AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
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};
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static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
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{
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struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
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@ -165,6 +243,12 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
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def = 1500;
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step = 75;
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break;
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case AXP221_ID:
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min = 1800;
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max = 4050;
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def = 3000;
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step = 150;
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break;
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default:
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dev_err(&pdev->dev,
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"Setting DCDC frequency for unsupported AXP variant\n");
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@ -237,6 +321,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work
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workmode <<= ffs(mask) - 1;
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break;
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case AXP221_ID:
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if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
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return -EINVAL;
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mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1);
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workmode <<= id - AXP22X_DCDC1;
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break;
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default:
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/* should not happen */
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WARN_ON(1);
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@ -265,6 +357,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
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regulators = axp20x_regulators;
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nregulators = AXP20X_REG_ID_MAX;
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break;
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case AXP221_ID:
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regulators = axp22x_regulators;
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nregulators = AXP22X_REG_ID_MAX;
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break;
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default:
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dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
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axp20x->variant);
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