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 | 55 |
1 files changed, 27 insertions, 28 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 index b49c969362..21fe2ec370 100644 --- 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 @@ -16,8 +16,6 @@ Signed-off-by: Lee Jones <lee.jones@linaro.org> drivers/regulator/axp20x-regulator.c | 143 +++++++++++++++++++++++------------ 1 file changed, 94 insertions(+), 49 deletions(-) -diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c -index e4331f5..50ae0b5 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -32,15 +32,15 @@ @@ -97,7 +95,7 @@ index e4331f5..50ae0b5 100644 .n_voltages = ARRAY_SIZE(_table), \ .owner = THIS_MODULE, \ .vsel_reg = (_vreg), \ -@@ -136,37 +136,57 @@ static struct regulator_ops axp20x_ops = { +@@ -136,37 +136,57 @@ static struct regulator_ops axp20x_ops = }; static const struct regulator_desc axp20x_regulators[] = { @@ -135,7 +133,10 @@ index e4331f5..50ae0b5 100644 { 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: @@ -148,35 +149,32 @@ index e4331f5..50ae0b5 100644 + 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 < 750) { -- dcdcfreq = 750; -- dev_warn(&pdev->dev, "DCDC frequency too low. Set to 750kHz\n"); ++ + if (dcdcfreq < min) { + dcdcfreq = min; + dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n", + min); } -- if (dcdcfreq > 1875) { -- dcdcfreq = 1875; -- dev_warn(&pdev->dev, "DCDC frequency too high. Set to 1875kHz\n"); +- dcdcfreq = (dcdcfreq - 750) / 75; + if (dcdcfreq > max) { + dcdcfreq = max; + dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n", + max); - } - -- dcdcfreq = (dcdcfreq - 750) / 75; ++ } ++ + 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(struct platform_device *pdev) +@@ -176,7 +196,7 @@ static int axp20x_regulator_parse_dt(str { struct device_node *np, *regulators; int ret; @@ -185,7 +183,7 @@ index e4331f5..50ae0b5 100644 np = of_node_get(pdev->dev.parent->of_node); if (!np) -@@ -186,7 +206,6 @@ static int axp20x_regulator_parse_dt(struct platform_device *pdev) +@@ -186,7 +206,6 @@ static int axp20x_regulator_parse_dt(str if (!regulators) { dev_warn(&pdev->dev, "regulators node not found\n"); } else { @@ -193,7 +191,7 @@ index e4331f5..50ae0b5 100644 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(struct platform_device *pdev) +@@ -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) { @@ -202,7 +200,6 @@ index e4331f5..50ae0b5 100644 + unsigned int mask; - if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) -- return -EINVAL; + switch (axp20x->variant) { + case AXP202_ID: + case AXP209_ID: @@ -212,22 +209,24 @@ index e4331f5..50ae0b5 100644 + mask = AXP20X_WORKMODE_DCDC2_MASK; + if (id == AXP20X_DCDC3) + mask = AXP20X_WORKMODE_DCDC3_MASK; - -- if (id == AXP20X_DCDC3) -- mask = AXP20X_WORKMODE_DCDC3_MASK; ++ + workmode <<= ffs(mask) - 1; + break; - -- workmode <<= ffs(mask) - 1; ++ + default: + /* should not happen */ + WARN_ON(1); -+ return -EINVAL; + 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 platform_device *pdev) +@@ -219,22 +250,36 @@ static int axp20x_regulator_probe(struct { struct regulator_dev *rdev; struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); @@ -268,7 +267,7 @@ index e4331f5..50ae0b5 100644 return PTR_ERR(rdev); } -@@ -245,7 +290,7 @@ static int axp20x_regulator_probe(struct platform_device *pdev) +@@ -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", |