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authorChanwoo Choi <cw00.choi@samsung.com>2013-10-10 05:41:36 +0400
committerMark Brown <broonie@linaro.org>2013-10-24 14:11:14 +0400
commit04f9f068a619cc45a8e656e7121df2c772fa14ba (patch)
treebe9a1afd940b4af8f38c57a311fb56f3349f8931 /drivers/regulator/s5m8767.c
parent033054e8603036e43ddfad3155b3e5b78ed49e04 (diff)
downloadlinux-04f9f068a619cc45a8e656e7121df2c772fa14ba.tar.xz
regulator: s5m8767: Modify parsing method of the voltage table of buck2/3/4
The s5m8767 regulator driver parse always the voltage table of buck2/3/4. If gpio_dvs feature isn't used and dts haven't included the voltage table of buck2/3/4, s5m8767 regulator driver return error and file probe state. This patch check only voltage table of buck on s5m8767_pmic_dt_parse_pdata() if buck[2-4]_gpiodvs is true. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator/s5m8767.c')
-rw-r--r--drivers/regulator/s5m8767.c54
1 files changed, 28 insertions, 26 deletions
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index cb6cdb3c0bdc..29999c042d69 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -522,7 +522,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
struct device_node *pmic_np, *regulators_np, *reg_np;
struct sec_regulator_data *rdata;
struct sec_opmode_data *rmode;
- unsigned int i, dvs_voltage_nr = 1, ret;
+ unsigned int i, dvs_voltage_nr = 8, ret;
pmic_np = iodev->dev->of_node;
if (!pmic_np) {
@@ -586,15 +586,39 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
rmode++;
}
- if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL))
+ if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) {
pdata->buck2_gpiodvs = true;
- if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL))
+ if (of_property_read_u32_array(pmic_np,
+ "s5m8767,pmic-buck2-dvs-voltage",
+ pdata->buck2_voltage, dvs_voltage_nr)) {
+ dev_err(iodev->dev, "buck2 voltages not specified\n");
+ return -EINVAL;
+ }
+ }
+
+ if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) {
pdata->buck3_gpiodvs = true;
- if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL))
+ if (of_property_read_u32_array(pmic_np,
+ "s5m8767,pmic-buck3-dvs-voltage",
+ pdata->buck3_voltage, dvs_voltage_nr)) {
+ dev_err(iodev->dev, "buck3 voltages not specified\n");
+ return -EINVAL;
+ }
+ }
+
+ if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) {
pdata->buck4_gpiodvs = true;
+ if (of_property_read_u32_array(pmic_np,
+ "s5m8767,pmic-buck4-dvs-voltage",
+ pdata->buck4_voltage, dvs_voltage_nr)) {
+ dev_err(iodev->dev, "buck4 voltages not specified\n");
+ return -EINVAL;
+ }
+ }
+
if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
pdata->buck4_gpiodvs) {
ret = s5m8767_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np);
@@ -612,34 +636,12 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
"invalid value for default dvs index, use 0\n");
}
}
- dvs_voltage_nr = 8;
}
ret = s5m8767_pmic_dt_parse_ds_gpio(iodev, pdata, pmic_np);
if (ret)
return -EINVAL;
- if (of_property_read_u32_array(pmic_np,
- "s5m8767,pmic-buck2-dvs-voltage",
- pdata->buck2_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck2 voltages not specified\n");
- return -EINVAL;
- }
-
- if (of_property_read_u32_array(pmic_np,
- "s5m8767,pmic-buck3-dvs-voltage",
- pdata->buck3_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck3 voltages not specified\n");
- return -EINVAL;
- }
-
- if (of_property_read_u32_array(pmic_np,
- "s5m8767,pmic-buck4-dvs-voltage",
- pdata->buck4_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck4 voltages not specified\n");
- return -EINVAL;
- }
-
if (of_get_property(pmic_np, "s5m8767,pmic-buck2-ramp-enable", NULL))
pdata->buck2_ramp_enable = true;