diff options
Diffstat (limited to 'drivers/pinctrl/bcm/pinctrl-bcm2835.c')
| -rw-r--r-- | drivers/pinctrl/bcm/pinctrl-bcm2835.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 47e433e09c5c..dad453054776 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -358,6 +358,22 @@ static int bcm2835_gpio_direction_output(struct gpio_chip *chip, return 0; } +static int bcm2835_of_gpio_ranges_fallback(struct gpio_chip *gc, + struct device_node *np) +{ + struct pinctrl_dev *pctldev = of_pinctrl_get(np); + + of_node_put(np); + + if (!pctldev) + return 0; + + gpiochip_add_pin_range(gc, pinctrl_dev_get_devname(pctldev), 0, 0, + gc->ngpio); + + return 0; +} + static const struct gpio_chip bcm2835_gpio_chip = { .label = MODULE_NAME, .owner = THIS_MODULE, @@ -372,6 +388,7 @@ static const struct gpio_chip bcm2835_gpio_chip = { .base = -1, .ngpio = BCM2835_NUM_GPIOS, .can_sleep = false, + .of_gpio_ranges_fallback = bcm2835_of_gpio_ranges_fallback, }; static const struct gpio_chip bcm2711_gpio_chip = { @@ -388,6 +405,7 @@ static const struct gpio_chip bcm2711_gpio_chip = { .base = -1, .ngpio = BCM2711_NUM_GPIOS, .can_sleep = false, + .of_gpio_ranges_fallback = bcm2835_of_gpio_ranges_fallback, }; static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc, |