diff options
| author | Ahmad Fatoum <ahmad@a3f.at> | 2021-09-17 11:41:52 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-10-05 09:03:39 +0200 |
| commit | 4a471f0360e67e8e6696c0cd86dd1af6eb92e5be (patch) | |
| tree | c265adad1cf3b838538a95da33914db39f30e94c /drivers | |
| parent | 8ace65a8460dd1926635550818ff3c0e39886590 (diff) | |
| download | barebox-4a471f0360e67e8e6696c0cd86dd1af6eb92e5be.tar.gz barebox-4a471f0360e67e8e6696c0cd86dd1af6eb92e5be.tar.xz | |
pinctrl: bcm2835: Add support for bcm2711
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@pengutronix.de>
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Link: https://lore.barebox.org/20210917094152.210494-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/pinctrl-bcm2835.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c index 38c788c829..684ead2f8e 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 */ } |