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regulator: sy7636a: add gpios and input regulator 

Initialize input regulator and gpios to proper values to have things
basically working as well as in the case when these things are
hardwired.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Andreas Kemnade <akemnade@kernel.org>
Link: https://patch.msgid.link/20250917-sy7636-rsrc-v3-2-331237d507a2@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
pull/1354/merge
Andreas Kemnade 2025-09-17 09:14:30 +02:00 committed by Mark Brown
parent 433e294c3c
commit fb25114cd7
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GPG Key ID: 24D68B725D5487D0
1 changed files with 27 additions and 0 deletions
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27
drivers/regulator/sy7636a-regulator.c
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@ -12,6 +12,7 @@
#include <linux/mfd/sy7636a.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regmap.h>
@ -19,6 +20,8 @@
struct sy7636a_data {
struct regmap *regmap;
struct gpio_desc *pgood_gpio;
struct gpio_desc *en_gpio;
struct gpio_desc *vcom_en_gpio;
};
static int sy7636a_get_vcom_voltage_op(struct regulator_dev *rdev)
@ -98,6 +101,30 @@ static int sy7636a_regulator_probe(struct platform_device *pdev)
data->regmap = regmap;
data->pgood_gpio = gdp;
ret = devm_regulator_get_enable_optional(&pdev->dev, "vin");
if (ret)
return dev_err_probe(&pdev->dev, ret,
"failed to get vin regulator\n");
data->en_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
GPIOD_OUT_HIGH);
if (IS_ERR(data->en_gpio))
return dev_err_probe(&pdev->dev,
PTR_ERR(data->en_gpio),
"failed to get en gpio\n");
/* Let VCOM just follow the default power on sequence */
data->vcom_en_gpio = devm_gpiod_get_optional(&pdev->dev,
"vcom-en", GPIOD_OUT_LOW);
if (IS_ERR(data->vcom_en_gpio))
return dev_err_probe(&pdev->dev,
PTR_ERR(data->vcom_en_gpio),
"failed to get vcom-en gpio\n");
/* if chip was not enabled, give it time to wake up */
if (data->en_gpio)
usleep_range(2500, 4000);
platform_set_drvdata(pdev, data);
ret = regmap_write(regmap, SY7636A_REG_POWER_ON_DELAY_TIME, 0x0);