From: Simon Glass sjg@chromium.org
Until sunxi moves to device tree (e.g. for USB) we need to convert named GPIOs to numbers. Add a function to do this.
This fixes the USB / EHCI support not working on the LinkSprite pcDuino3 (which uses devicemodel).
Signed-off-by: Simon Glass sjg@chromium.org Acked-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Hans de Goede hdegoede@redhat.com --- drivers/gpio/sunxi_gpio.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c index 29301c4..89209df 100644 --- a/drivers/gpio/sunxi_gpio.c +++ b/drivers/gpio/sunxi_gpio.c @@ -172,6 +172,17 @@ int sunxi_name_to_gpio(const char *name) #endif
#ifdef CONFIG_DM_GPIO +/* TODO(sjg@chromium.org): Remove this function and use device tree */ +int sunxi_name_to_gpio(const char *name) +{ + unsigned int gpio; + int ret; + + ret = gpio_lookup_name(name, NULL, NULL, &gpio); + + return ret ? ret : gpio; +} + static int sunxi_gpio_direction_input(struct udevice *dev, unsigned offset) { struct sunxi_gpio_platdata *plat = dev_get_platdata(dev);