On Fri, Sep 17, 2021 at 11:41:52AM +0200, Uwe Kleine-König wrote:
> From: Ahmad Fatoum <ahmad@xxxxxx>
>
> bcm2711-rpi-4-b.dts lists 58 gpio names and the linux driver also uses
> 58 GPIOs for bcm2711.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Ahmad's S-o-b is missing on both.
- Roland
> ---
> drivers/pinctrl/pinctrl-bcm2835.c | 22 +++++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
> index 38c788c82945..684ead2f8e5e 100644
> --- a/drivers/pinctrl/pinctrl-bcm2835.c
> +++ b/drivers/pinctrl/pinctrl-bcm2835.c
> @@ -52,6 +52,10 @@ struct bcm2835_gpio_chip {
> struct pinctrl_device pctl;
> };
>
> +struct plat_data {
> + unsigned ngpios;
> +};
> +
> static int bcm2835_set_function(struct gpio_chip *chip, unsigned gpio, int function)
> {
> struct bcm2835_gpio_chip *bcmgpio = container_of(chip, struct bcm2835_gpio_chip, chip);
> @@ -149,10 +153,13 @@ static struct pinctrl_ops bcm2835_pinctrl_ops = {
>
> static int bcm2835_gpio_probe(struct device_d *dev)
> {
> + const struct plat_data *plat_data;
> struct resource *iores;
> struct bcm2835_gpio_chip *bcmgpio;
> int ret;
>
> + plat_data = device_get_match_data(dev);
> +
> bcmgpio = xzalloc(sizeof(*bcmgpio));
> iores = dev_request_mem_resource(dev, 0);
> if (IS_ERR(iores))
> @@ -160,7 +167,8 @@ static int bcm2835_gpio_probe(struct device_d *dev)
> bcmgpio->base = IOMEM(iores->start);
> bcmgpio->chip.ops = &bcm2835_gpio_ops;
> bcmgpio->chip.base = 0;
> - bcmgpio->chip.ngpio = 54;
> + bcmgpio->chip.ngpio = plat_data->ngpios;
> +
> bcmgpio->chip.dev = dev;
> bcmgpio->pctl.ops = &bcm2835_pinctrl_ops;
> bcmgpio->pctl.dev = dev;
> @@ -191,9 +199,21 @@ err:
> return ret;
> }
>
> +static const struct plat_data bcm2835_plat_data = {
> + .ngpios = 54,
> +};
> +
> +static const struct plat_data bcm2711_plat_data = {
> + .ngpios = 58,
> +};
> +
> static __maybe_unused struct of_device_id bcm2835_gpio_dt_ids[] = {
> {
> .compatible = "brcm,bcm2835-gpio",
> + .data = &bcm2835_plat_data,
> + }, {
> + .compatible = "brcm,bcm2711-gpio",
> + .data = &bcm2711_plat_data,
> }, {
> /* sentinel */
> }
> --
> 2.30.2
>
>
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--
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