On Thu, Dec 26, 2024 at 10:59 PM Shree Ramamoorthy <s-ramamoorthy@xxxxxx> wrote:
>
> Add device-specific structs to select the different PMIC .npgio and .offset
> values. With the chip_data struct values selected based on the match data,
> having a separate GPIO0_OFFSET macro is no longer needed.
>
> Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@xxxxxx>
> ---
> drivers/gpio/gpio-tps65219.c | 27 ++++++++++++++++++++++++---
> 1 file changed, 24 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpio/gpio-tps65219.c b/drivers/gpio/gpio-tps65219.c
> index 7adc1274d80e..18055c2dd35c 100644
> --- a/drivers/gpio/gpio-tps65219.c
> +++ b/drivers/gpio/gpio-tps65219.c
> @@ -13,7 +13,6 @@
> #include <linux/regmap.h>
>
> #define TPS65219_GPIO0_DIR_MASK BIT(3)
> -#define TPS65219_GPIO0_OFFSET 2
> #define TPS6521X_GPIO0_IDX 0
>
> struct tps65219_gpio {
> @@ -21,6 +20,11 @@ struct tps65219_gpio {
> struct tps65219 *tps;
> };
>
> +struct chip_data {
Please use the driver prefix here.
Bart
> + int ngpio;
> + int offset;
> +};
> +
> static int tps65219_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
> {
> struct tps65219_gpio *gpio = gpiochip_get_data(gc);
> @@ -71,7 +75,7 @@ static void tps65219_gpio_set(struct gpio_chip *gc, unsigned int offset, int val
> struct device *dev = gpio->tps->dev;
> int v, mask, bit;
>
> - bit = (offset == TPS6521X_GPIO0_IDX) ? TPS65219_GPIO0_OFFSET : offset - 1;
> + bit = (offset == TPS6521X_GPIO0_IDX) ? (gpio->gpio_chip.ngpio - 1) : offset - 1;
>
> mask = BIT(bit);
> v = value ? mask : 0;
> @@ -148,14 +152,29 @@ static const struct gpio_chip tps65219_template_chip = {
> .get = tps65219_gpio_get,
> .set = tps65219_gpio_set,
> .base = -1,
> - .ngpio = 3,
> .can_sleep = true,
> };
>
> +static const struct chip_data chip_info_table[] = {
> + [TPS65219] = {
> + .ngpio = 3,
> + .offset = 2,
> + },
> + [TPS65215] = {
> + .ngpio = 2,
> + .offset = 1,
> + },
> +};
> +
> static int tps65219_gpio_probe(struct platform_device *pdev)
> {
> struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent);
> struct tps65219_gpio *gpio;
> + const struct chip_data *pmic;
> +
> + enum pmic_id chip = platform_get_device_id(pdev)->driver_data;
> +
> + pmic = &chip_info_table[chip];
>
> gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
> if (!gpio)
> @@ -164,6 +183,8 @@ static int tps65219_gpio_probe(struct platform_device *pdev)
> gpio->tps = tps;
> gpio->gpio_chip = tps65219_template_chip;
> gpio->gpio_chip.label = dev_name(&pdev->dev);
> + gpio->gpio_chip.ngpio = pmic->ngpio;
> + gpio->gpio_chip.offset = pmic->offset;
> gpio->gpio_chip.parent = tps->dev;
>
> return devm_gpiochip_add_data(&pdev->dev, &gpio->gpio_chip, gpio);
> --
> 2.34.1
>
