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authorYu-Chun Lin <eleanor.lin@realtek.com>2026-07-26 20:51:58 +0800
committerBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>2026-07-30 11:05:07 +0200
commitab91ecbc322424916efea4c4e6220e2046a80e8a (patch)
treec775aa0c5f4ccdd354d08e7aca326e0febe65ce1 /drivers/gpio
parent5f28e3dbd23199c778f5339c0d4488820435f6d5 (diff)
gpio: regmap: Add set_config callback
Add a new set_config callback to allow drivers to implement hardware-specific configuration such as debounce settings, or other platform-specific GPIO properties. Reviewed-by: Michael Walle <mwalle@kernel.org> Reviewed-by: Linus Walleij <linusw@kernel.org> Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com> Link: https://patch.msgid.link/20260726125209.140307-8-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-regmap.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
index cff7db8036f7..19e33e361cc4 100644
--- a/drivers/gpio/gpio-regmap.c
+++ b/drivers/gpio/gpio-regmap.c
@@ -51,6 +51,9 @@ struct gpio_regmap {
unsigned int reg, unsigned int *mask,
unsigned int *val);
+ int (*set_config)(struct gpio_regmap *gpio, struct gpio_chip *chip,
+ unsigned int offset, unsigned long config);
+
void *driver_data;
};
@@ -306,6 +309,15 @@ static int gpio_regmap_direction_output(struct gpio_chip *chip,
return gpio_regmap_set_direction(chip, offset, true);
}
+static int gpio_regmap_set_config(struct gpio_chip *chip,
+ unsigned int offset,
+ unsigned long cfg)
+{
+ struct gpio_regmap *gpio = gpiochip_get_data(chip);
+
+ return gpio->set_config(gpio, chip, offset, cfg);
+}
+
int gpio_regmap_reqres_irq(struct gpio_regmap *gpio, unsigned int offset)
{
return gpiochip_reqres_irq(&gpio->gpio_chip, offset);
@@ -444,6 +456,11 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config
gpio->value_xlate = config->value_xlate;
+ if (config->set_config) {
+ gpio->set_config = config->set_config;
+ chip->set_config = gpio_regmap_set_config;
+ }
+
ret = gpiochip_add_data(chip, gpio);
if (ret < 0)
goto err_free_bitmap_output;