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gpio: ts4800: use new generic GPIO chip API

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Convert the driver to using the new generic GPIO chip interfaces from
linux/gpio/generic.h.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250825-gpio-mmio-gpio-conv-v1-7-356b4b1d5110@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-08-25 11:48:48 +02:00
parent ac1eca3ab9
commit 9215a4fb59
1 changed files with 17 additions and 8 deletions
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25
drivers/gpio/gpio-ts4800.c
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@ -6,6 +6,7 @@
*/
#include <linux/gpio/driver.h>
#include <linux/gpio/generic.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/property.h>
@ -17,13 +18,14 @@
static int ts4800_gpio_probe(struct platform_device *pdev)
{
struct gpio_generic_chip_config config;
struct device *dev = &pdev->dev;
struct gpio_chip *chip;
struct gpio_generic_chip *chip;
void __iomem *base_addr;
int retval;
u32 ngpios;
chip = devm_kzalloc(&pdev->dev, sizeof(struct gpio_chip), GFP_KERNEL);
chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
@ -37,15 +39,22 @@ static int ts4800_gpio_probe(struct platform_device *pdev)
else if (retval)
return retval;
retval = bgpio_init(chip, &pdev->dev, 2, base_addr + INPUT_REG_OFFSET,
base_addr + OUTPUT_REG_OFFSET, NULL,
base_addr + DIRECTION_REG_OFFSET, NULL, 0);
config = (typeof(config)){
.dev = dev,
.sz = 2,
.dat = base_addr + INPUT_REG_OFFSET,
.set = base_addr + OUTPUT_REG_OFFSET,
.dirout = base_addr + DIRECTION_REG_OFFSET,
};
retval = gpio_generic_chip_init(chip, &config);
if (retval)
return dev_err_probe(dev, retval, "bgpio_init failed\n");
return dev_err_probe(dev, retval,
"failed to initialize the generic GPIO chip\n");
chip->ngpio = ngpios;
chip->gc.ngpio = ngpios;
return devm_gpiochip_add_data(&pdev->dev, chip, NULL);
return devm_gpiochip_add_data(dev, &chip->gc, NULL);
}
static const struct of_device_id ts4800_gpio_of_match[] = {