dm: gpio: Refactor to prepare for live tree support
Move the main part of the GPIO request function into a separate function
so that it can be used by the live tree function when added. Update the
xlate method to use a node reference.
Update all GPIO drivers to handle the modified xlate() method.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/gpio/74x164_gpio.c b/drivers/gpio/74x164_gpio.c
index 53a639a..eb2c0b6 100644
--- a/drivers/gpio/74x164_gpio.c
+++ b/drivers/gpio/74x164_gpio.c
@@ -106,7 +106,7 @@
}
static int gen_74x164_xlate(struct udevice *dev, struct gpio_desc *desc,
- struct fdtdec_phandle_args *args)
+ struct ofnode_phandle_args *args)
{
desc->offset = args->args[0];
desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;