| Message ID | 20241226215858.397054-4-s-ramamoorthy@ti.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add TI TPS65215 PMIC GPIO Support | expand |
On Thu, Dec 26, 2024 at 10:59 PM Shree Ramamoorthy <s-ramamoorthy@ti.com> 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@ti.com> > --- > 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 >
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 { + 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);
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@ti.com> --- drivers/gpio/gpio-tps65219.c | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-)