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power: pwm regulator: support live tree

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Use live tree compatible api for pwm regulator.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Andy Yan 2018-03-27 19:39:38 +08:00 • committed by Jaehoon Chung
parent 55118ec90c
commit e1fd9e6bb8
1 changed files with 4 additions and 11 deletions
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15
drivers/power/regulator/pwm_regulator.c
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@ -12,9 +12,6 @@
#include <errno.h>
#include <pwm.h>
#include <power/regulator.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
#include <fdtdec.h>
DECLARE_GLOBAL_DATA_PTR;
@ -93,13 +90,10 @@ static int pwm_regulator_set_voltage(struct udevice *dev, int uvolt)
static int pwm_regulator_ofdata_to_platdata(struct udevice *dev)
{
struct pwm_regulator_info *priv = dev_get_priv(dev);
struct fdtdec_phandle_args args;
const void *blob = gd->fdt_blob;
int node = dev_of_offset(dev);
struct ofnode_phandle_args args;
int ret;
ret = fdtdec_parse_phandle_with_args(blob, node, "pwms", "#pwm-cells",
0, 0, &args);
ret = dev_read_phandle_with_args(dev, "pwms", "#pwm-cells", 0, 0, &args);
if (ret) {
debug("%s: Cannot get PWM phandle: ret=%d\n", __func__, ret);
return ret;
@ -108,14 +102,13 @@ static int pwm_regulator_ofdata_to_platdata(struct udevice *dev)
priv->period_ns = args.args[1];
priv->polarity = args.args[2];
priv->init_voltage = fdtdec_get_int(blob, node,
"regulator-init-microvolt", -1);
priv->init_voltage = dev_read_u32_default(dev, "regulator-init-microvolt", -1);
if (priv->init_voltage < 0) {
printf("Cannot find regulator pwm init_voltage\n");
return -EINVAL;
}
ret = uclass_get_device_by_of_offset(UCLASS_PWM, args.node, &priv->pwm);
ret = uclass_get_device_by_ofnode(UCLASS_PWM, args.node, &priv->pwm);
if (ret) {
debug("%s: Cannot get PWM: ret=%d\n", __func__, ret);
return ret;