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power: regulator: gpio-regulator: Convert to use APIs which support live DT

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Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the
driver can support live DT.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrick Delaunay 2020-09-10 18:18:17 +02:00 committed by Tom Rini
parent 2d69b08618
commit a3b3c1d416
1 changed files with 13 additions and 9 deletions
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22
drivers/power/regulator/gpio-regulator.c
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@ -18,8 +18,6 @@
#define GPIO_REGULATOR_MAX_STATES 2
DECLARE_GLOBAL_DATA_PTR;
struct gpio_regulator_platdata {
struct regulator_common_platdata common;
struct gpio_desc gpio; /* GPIO for regulator voltage control */
@ -32,8 +30,6 @@ static int gpio_regulator_ofdata_to_platdata(struct udevice *dev)
struct dm_regulator_uclass_platdata *uc_pdata;
struct gpio_regulator_platdata *dev_pdata;
struct gpio_desc *gpio;
const void *blob = gd->fdt_blob;
int node = dev_of_offset(dev);
int ret, count, i, j;
u32 states_array[GPIO_REGULATOR_MAX_STATES * 2];
@ -57,12 +53,20 @@ static int gpio_regulator_ofdata_to_platdata(struct udevice *dev)
if (ret)
debug("regulator gpio - not found! Error: %d", ret);
count = fdtdec_get_int_array_count(blob, node, "states",
states_array,
ARRAY_SIZE(states_array));
ret = dev_read_size(dev, "states");
if (ret < 0)
return ret;
if (!count)
return -EINVAL;
count = ret / sizeof(states_array[0]);
if (count > ARRAY_SIZE(states_array)) {
debug("regulator gpio - to many states (%d > %d)",
count / 2, GPIO_REGULATOR_MAX_STATES);
count = ARRAY_SIZE(states_array);
}
ret = dev_read_u32_array(dev, "states", states_array, count);
if (ret < 0)
return ret;
for (i = 0, j = 0; i < count; i += 2) {
dev_pdata->voltages[j] = states_array[i];