diff options
Diffstat (limited to 'drivers/pinctrl/broadcom')
| -rw-r--r-- | drivers/pinctrl/broadcom/pinctrl-bcm283x.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c index 4ecc8bac645..90eee88eb13 100644 --- a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c +++ b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c @@ -30,6 +30,11 @@ struct bcm283x_pinctrl_priv { #define MAX_PINS_PER_BANK 16 +/* pull states for BCM2711 */ +#define BCM2711_PULL_NONE 0 +#define BCM2711_PULL_UP 1 +#define BCM2711_PULL_DOWN 2 + static void bcm2835_gpio_set_func_id(struct udevice *dev, unsigned int gpio, int func) { @@ -93,6 +98,17 @@ static void bcm2711_gpio_set_pull(struct udevice *dev, unsigned int gpio, int pu u32 bit_shift; u32 pull_bits; + if (!device_is_compatible(dev, "brcm,bcm2711-gpio")) + return; + + /* BCM2711's pull values differ from BCM2835 */ + if (pull == BCM2835_PUD_UP) + pull = BCM2711_PULL_UP; + else if (pull == BCM2835_PUD_DOWN) + pull = BCM2711_PULL_DOWN; + else + pull = BCM2711_PULL_NONE; + /* Findout which GPIO_PUP_PDN_CNTRL register to use */ reg_offset = BCM2711_GPPUD_CNTRL_REG0 + BCM2711_PUD_REG_OFFSET(gpio); |