diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.1/101-regulator-axp20x-prep-support-for-multiple-axp-families.patch')
-rw-r--r-- | target/linux/sunxi/patches-4.1/101-regulator-axp20x-prep-support-for-multiple-axp-families.patch | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/target/linux/sunxi/patches-4.1/101-regulator-axp20x-prep-support-for-multiple-axp-families.patch b/target/linux/sunxi/patches-4.1/101-regulator-axp20x-prep-support-for-multiple-axp-families.patch deleted file mode 100644 index 21fe2ec..0000000 --- a/target/linux/sunxi/patches-4.1/101-regulator-axp20x-prep-support-for-multiple-axp-families.patch +++ /dev/null @@ -1,278 +0,0 @@ -From f95b73ba272eac5495e69e12795d5ea8bc81d2cd Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <boris.brezillon@free-electrons.com> -Date: Fri, 10 Apr 2015 12:09:03 +0800 -Subject: [PATCH] regulator: axp20x: Prepare support for multiple AXP chip - families - -Rework the AXP20X_ macros and probe function to support the several chip -families, so that each family can define it's own set of regulators. - -Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> -[wens@csie.org: Support different DC-DC work frequency ranges] -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 | 143 +++++++++++++++++++++++------------ - 1 file changed, 94 insertions(+), 49 deletions(-) - ---- a/drivers/regulator/axp20x-regulator.c -+++ b/drivers/regulator/axp20x-regulator.c -@@ -32,15 +32,15 @@ - - #define AXP20X_FREQ_DCDC_MASK 0x0f - --#define AXP20X_DESC_IO(_id, _match, _supply, _min, _max, _step, _vreg, _vmask, \ -- _ereg, _emask, _enable_val, _disable_val) \ -- [AXP20X_##_id] = { \ -+#define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ -+ _vmask, _ereg, _emask, _enable_val, _disable_val) \ -+ [_family##_##_id] = { \ - .name = #_id, \ - .supply_name = (_supply), \ - .of_match = of_match_ptr(_match), \ - .regulators_node = of_match_ptr("regulators"), \ - .type = REGULATOR_VOLTAGE, \ -- .id = AXP20X_##_id, \ -+ .id = _family##_##_id, \ - .n_voltages = (((_max) - (_min)) / (_step) + 1), \ - .owner = THIS_MODULE, \ - .min_uV = (_min) * 1000, \ -@@ -54,15 +54,15 @@ - .ops = &axp20x_ops, \ - } - --#define AXP20X_DESC(_id, _match, _supply, _min, _max, _step, _vreg, _vmask, \ -- _ereg, _emask) \ -- [AXP20X_##_id] = { \ -+#define AXP_DESC(_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 = AXP20X_##_id, \ -+ .id = _family##_##_id, \ - .n_voltages = (((_max) - (_min)) / (_step) + 1), \ - .owner = THIS_MODULE, \ - .min_uV = (_min) * 1000, \ -@@ -74,29 +74,29 @@ - .ops = &axp20x_ops, \ - } - --#define AXP20X_DESC_FIXED(_id, _match, _supply, _volt) \ -- [AXP20X_##_id] = { \ -+#define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \ -+ [_family##_##_id] = { \ - .name = #_id, \ - .supply_name = (_supply), \ - .of_match = of_match_ptr(_match), \ - .regulators_node = of_match_ptr("regulators"), \ - .type = REGULATOR_VOLTAGE, \ -- .id = AXP20X_##_id, \ -+ .id = _family##_##_id, \ - .n_voltages = 1, \ - .owner = THIS_MODULE, \ - .min_uV = (_volt) * 1000, \ - .ops = &axp20x_ops_fixed \ - } - --#define AXP20X_DESC_TABLE(_id, _match, _supply, _table, _vreg, _vmask, _ereg, \ -- _emask) \ -- [AXP20X_##_id] = { \ -+#define AXP_DESC_TABLE(_family, _id, _match, _supply, _table, _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 = AXP20X_##_id, \ -+ .id = _family##_##_id, \ - .n_voltages = ARRAY_SIZE(_table), \ - .owner = THIS_MODULE, \ - .vsel_reg = (_vreg), \ -@@ -136,37 +136,57 @@ static struct regulator_ops axp20x_ops = - }; - - static const struct regulator_desc axp20x_regulators[] = { -- AXP20X_DESC(DCDC2, "dcdc2", "vin2", 700, 2275, 25, AXP20X_DCDC2_V_OUT, -- 0x3f, AXP20X_PWR_OUT_CTRL, 0x10), -- AXP20X_DESC(DCDC3, "dcdc3", "vin3", 700, 3500, 25, AXP20X_DCDC3_V_OUT, -- 0x7f, AXP20X_PWR_OUT_CTRL, 0x02), -- AXP20X_DESC_FIXED(LDO1, "ldo1", "acin", 1300), -- AXP20X_DESC(LDO2, "ldo2", "ldo24in", 1800, 3300, 100, -- AXP20X_LDO24_V_OUT, 0xf0, AXP20X_PWR_OUT_CTRL, 0x04), -- AXP20X_DESC(LDO3, "ldo3", "ldo3in", 700, 3500, 25, AXP20X_LDO3_V_OUT, -- 0x7f, AXP20X_PWR_OUT_CTRL, 0x40), -- AXP20X_DESC_TABLE(LDO4, "ldo4", "ldo24in", axp20x_ldo4_data, -- AXP20X_LDO24_V_OUT, 0x0f, AXP20X_PWR_OUT_CTRL, 0x08), -- AXP20X_DESC_IO(LDO5, "ldo5", "ldo5in", 1800, 3300, 100, -- AXP20X_LDO5_V_OUT, 0xf0, AXP20X_GPIO0_CTRL, 0x07, -- AXP20X_IO_ENABLED, AXP20X_IO_DISABLED), -+ AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25, -+ AXP20X_DCDC2_V_OUT, 0x3f, AXP20X_PWR_OUT_CTRL, 0x10), -+ AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25, -+ AXP20X_DCDC3_V_OUT, 0x7f, AXP20X_PWR_OUT_CTRL, 0x02), -+ AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300), -+ AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100, -+ AXP20X_LDO24_V_OUT, 0xf0, AXP20X_PWR_OUT_CTRL, 0x04), -+ AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25, -+ AXP20X_LDO3_V_OUT, 0x7f, AXP20X_PWR_OUT_CTRL, 0x40), -+ AXP_DESC_TABLE(AXP20X, LDO4, "ldo4", "ldo24in", axp20x_ldo4_data, -+ AXP20X_LDO24_V_OUT, 0x0f, AXP20X_PWR_OUT_CTRL, 0x08), -+ AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100, -+ AXP20X_LDO5_V_OUT, 0xf0, AXP20X_GPIO0_CTRL, 0x07, -+ AXP20X_IO_ENABLED, AXP20X_IO_DISABLED), - }; - - static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) - { - struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); -+ u32 min, max, def, step; - -- if (dcdcfreq < 750) { -- dcdcfreq = 750; -- dev_warn(&pdev->dev, "DCDC frequency too low. Set to 750kHz\n"); -+ switch (axp20x->variant) { -+ case AXP202_ID: -+ case AXP209_ID: -+ min = 750; -+ max = 1875; -+ def = 1500; -+ step = 75; -+ break; -+ default: -+ dev_err(&pdev->dev, -+ "Setting DCDC frequency for unsupported AXP variant\n"); -+ return -EINVAL; - } - -- if (dcdcfreq > 1875) { -- dcdcfreq = 1875; -- dev_warn(&pdev->dev, "DCDC frequency too high. Set to 1875kHz\n"); -+ if (dcdcfreq == 0) -+ dcdcfreq = def; -+ -+ if (dcdcfreq < min) { -+ dcdcfreq = min; -+ dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n", -+ min); - } - -- dcdcfreq = (dcdcfreq - 750) / 75; -+ if (dcdcfreq > max) { -+ dcdcfreq = max; -+ dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n", -+ max); -+ } -+ -+ dcdcfreq = (dcdcfreq - min) / step; - - return regmap_update_bits(axp20x->regmap, AXP20X_DCDC_FREQ, - AXP20X_FREQ_DCDC_MASK, dcdcfreq); -@@ -176,7 +196,7 @@ static int axp20x_regulator_parse_dt(str - { - struct device_node *np, *regulators; - int ret; -- u32 dcdcfreq; -+ u32 dcdcfreq = 0; - - np = of_node_get(pdev->dev.parent->of_node); - if (!np) -@@ -186,7 +206,6 @@ static int axp20x_regulator_parse_dt(str - if (!regulators) { - dev_warn(&pdev->dev, "regulators node not found\n"); - } else { -- dcdcfreq = 1500; - of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq); - ret = axp20x_set_dcdc_freq(pdev, dcdcfreq); - if (ret < 0) { -@@ -202,15 +221,27 @@ static int axp20x_regulator_parse_dt(str - - static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode) - { -- unsigned int mask = AXP20X_WORKMODE_DCDC2_MASK; -+ struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); -+ unsigned int mask; - -- if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) -+ switch (axp20x->variant) { -+ case AXP202_ID: -+ case AXP209_ID: -+ if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) -+ return -EINVAL; -+ -+ mask = AXP20X_WORKMODE_DCDC2_MASK; -+ if (id == AXP20X_DCDC3) -+ mask = AXP20X_WORKMODE_DCDC3_MASK; -+ -+ workmode <<= ffs(mask) - 1; -+ break; -+ -+ default: -+ /* should not happen */ -+ WARN_ON(1); - return -EINVAL; -- -- if (id == AXP20X_DCDC3) -- mask = AXP20X_WORKMODE_DCDC3_MASK; -- -- workmode <<= ffs(mask) - 1; -+ } - - return regmap_update_bits(rdev->regmap, AXP20X_DCDC_MODE, mask, workmode); - } -@@ -219,22 +250,36 @@ static int axp20x_regulator_probe(struct - { - struct regulator_dev *rdev; - struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); -+ const struct regulator_desc *regulators; - struct regulator_config config = { - .dev = pdev->dev.parent, - .regmap = axp20x->regmap, -+ .driver_data = axp20x, - }; -- int ret, i; -+ int ret, i, nregulators; - u32 workmode; - -+ switch (axp20x->variant) { -+ case AXP202_ID: -+ case AXP209_ID: -+ regulators = axp20x_regulators; -+ nregulators = AXP20X_REG_ID_MAX; -+ break; -+ default: -+ dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n", -+ axp20x->variant); -+ return -EINVAL; -+ } -+ - /* This only sets the dcdc freq. Ignore any errors */ - axp20x_regulator_parse_dt(pdev); - -- for (i = 0; i < AXP20X_REG_ID_MAX; i++) { -- rdev = devm_regulator_register(&pdev->dev, &axp20x_regulators[i], -+ for (i = 0; i < nregulators; i++) { -+ rdev = devm_regulator_register(&pdev->dev, ®ulators[i], - &config); - if (IS_ERR(rdev)) { - dev_err(&pdev->dev, "Failed to register %s\n", -- axp20x_regulators[i].name); -+ regulators[i].name); - - return PTR_ERR(rdev); - } -@@ -245,7 +290,7 @@ static int axp20x_regulator_probe(struct - if (!ret) { - if (axp20x_set_dcdc_workmode(rdev, i, workmode)) - dev_err(&pdev->dev, "Failed to set workmode on %s\n", -- axp20x_regulators[i].name); -+ rdev->desc->name); - } - } - |