diff options
author | Simon Glass <sjg@chromium.org> | 2015-04-18 17:33:43 (GMT) |
---|---|---|
committer | Hans de Goede <hdegoede@redhat.com> | 2015-05-04 14:51:52 (GMT) |
commit | a5ab8838c6b096ba6e4ba57fdb169cb8ecfea295 (patch) | |
tree | dacf2e1292b85ae7bfdd345f54486a34fae0b2e8 /drivers | |
parent | 07ce60f3cd21de20576e69ba10beabc905643500 (diff) | |
download | u-boot-a5ab8838c6b096ba6e4ba57fdb169cb8ecfea295.tar.xz |
sunxi: gpio: Add temporary implementation of name_to_gpio()
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpio/sunxi_gpio.c | 11 |
1 files changed, 11 insertions, 0 deletions
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); |