diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.1/102-regulator-axp20x-add-support-for-axp22.patch')
-rw-r--r-- | target/linux/sunxi/patches-4.1/102-regulator-axp20x-add-support-for-axp22.patch | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-4.1/102-regulator-axp20x-add-support-for-axp22.patch b/target/linux/sunxi/patches-4.1/102-regulator-axp20x-add-support-for-axp22.patch new file mode 100644 index 0000000..cc5bc4f --- /dev/null +++ b/target/linux/sunxi/patches-4.1/102-regulator-axp20x-add-support-for-axp22.patch @@ -0,0 +1,170 @@ +From c3f89434c9d778572cf09e8327bd047b11d48b90 Mon Sep 17 00:00:00 2001 +From: Boris BREZILLON <boris.brezillon@free-electrons.com> +Date: Fri, 10 Apr 2015 12:09:04 +0800 +Subject: [PATCH] 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> +--- + drivers/regulator/axp20x-regulator.c | 96 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 96 insertions(+) + +--- a/drivers/regulator/axp20x-regulator.c ++++ b/drivers/regulator/axp20x-regulator.c +@@ -27,8 +27,12 @@ + #define AXP20X_IO_ENABLED 0x03 + #define AXP20X_IO_DISABLED 0x07 + ++#define AXP22X_IO_ENABLED 0x04 ++#define AXP22X_IO_DISABLED 0x03 ++ + #define AXP20X_WORKMODE_DCDC2_MASK BIT(2) + #define AXP20X_WORKMODE_DCDC3_MASK BIT(1) ++#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT(x) + + #define AXP20X_FREQ_DCDC_MASK 0x0f + +@@ -74,6 +78,26 @@ + .ops = &axp20x_ops, \ + } + ++#define AXP_DESC_SW(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ ++ _vmask, _ereg, _emask) \ ++ [_family##_##_id] = { \ ++ .name = #_id, \ ++ .supply_name = (_supply), \ ++ .of_match = of_match_ptr(_match), \ ++ .regulators_node = of_match_ptr("regulators"), \ ++ .type = REGULATOR_VOLTAGE, \ ++ .id = _family##_##_id, \ ++ .n_voltages = (((_max) - (_min)) / (_step) + 1), \ ++ .owner = THIS_MODULE, \ ++ .min_uV = (_min) * 1000, \ ++ .uV_step = (_step) * 1000, \ ++ .vsel_reg = (_vreg), \ ++ .vsel_mask = (_vmask), \ ++ .enable_reg = (_ereg), \ ++ .enable_mask = (_emask), \ ++ .ops = &axp20x_ops_sw, \ ++ } ++ + #define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \ + [_family##_##_id] = { \ + .name = #_id, \ +@@ -135,6 +159,14 @@ static struct regulator_ops axp20x_ops = + .is_enabled = regulator_is_enabled_regmap, + }; + ++static struct regulator_ops axp20x_ops_sw = { ++ .get_voltage_sel = regulator_get_voltage_sel_regmap, ++ .list_voltage = regulator_list_voltage_linear, ++ .enable = regulator_enable_regmap, ++ .disable = regulator_disable_regmap, ++ .is_enabled = regulator_is_enabled_regmap, ++}; ++ + static const struct regulator_desc axp20x_regulators[] = { + AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25, + AXP20X_DCDC2_V_OUT, 0x3f, AXP20X_PWR_OUT_CTRL, 0x10), +@@ -152,6 +184,52 @@ static const struct regulator_desc axp20 + AXP20X_IO_ENABLED, AXP20X_IO_DISABLED), + }; + ++static const struct regulator_desc axp22x_regulators[] = { ++ AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, ++ AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)), ++ AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20, ++ AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)), ++ AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20, ++ AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)), ++ AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20, ++ AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)), ++ AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, ++ AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(4)), ++ /* secondary switchable output of DCDC1 */ ++ AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", "dcdc1", 1600, 3400, 100, ++ AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(7)), ++ /* LDO regulator internally chained to DCDC5 */ ++ AXP_DESC(AXP22X, DC5LDO, "dc5ldo", "dcdc5", 700, 1400, 100, ++ AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)), ++ AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100, ++ AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)), ++ AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100, ++ AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)), ++ AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100, ++ AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)), ++ AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100, ++ AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)), ++ AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100, ++ AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)), ++ AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100, ++ AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)), ++ AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100, ++ AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)), ++ AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100, ++ AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)), ++ AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100, ++ AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)), ++ AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100, ++ AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)), ++ AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 1800, 3300, 100, ++ AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07, ++ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), ++ AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 1800, 3300, 100, ++ AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07, ++ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), ++ AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000), ++}; ++ + static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) + { + struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); +@@ -165,6 +243,12 @@ static int axp20x_set_dcdc_freq(struct p + def = 1500; + step = 75; + break; ++ case AXP221_ID: ++ min = 1800; ++ max = 4050; ++ def = 3000; ++ step = 150; ++ break; + default: + dev_err(&pdev->dev, + "Setting DCDC frequency for unsupported AXP variant\n"); +@@ -237,6 +321,14 @@ static int axp20x_set_dcdc_workmode(stru + workmode <<= ffs(mask) - 1; + break; + ++ case AXP221_ID: ++ if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5) ++ return -EINVAL; ++ ++ mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1); ++ workmode <<= id - AXP22X_DCDC1; ++ break; ++ + default: + /* should not happen */ + WARN_ON(1); +@@ -265,6 +357,10 @@ static int axp20x_regulator_probe(struct + regulators = axp20x_regulators; + nregulators = AXP20X_REG_ID_MAX; + break; ++ case AXP221_ID: ++ regulators = axp22x_regulators; ++ nregulators = AXP22X_REG_ID_MAX; ++ break; + default: + dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n", + axp20x->variant); |