Add the device tree support.
Signed-off-by: Wenyou Yang wenyou.yang@atmel.com Reviewed-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
drivers/gpio/at91_gpio.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c index 8e52e3d..23b2dc3 100644 --- a/drivers/gpio/at91_gpio.c +++ b/drivers/gpio/at91_gpio.c @@ -520,14 +520,29 @@ static int at91_gpio_probe(struct udevice *dev)
uc_priv->bank_name = plat->bank_name; uc_priv->gpio_count = GPIO_PER_BANK; + +#if CONFIG_IS_ENABLED(OF_CONTROL) + plat->base_addr = (uint32_t)dev_get_addr_ptr(dev); +#endif port->regs = (struct at91_port *)plat->base_addr;
return 0; }
+#if CONFIG_IS_ENABLED(OF_CONTROL) +static const struct udevice_id at91_gpio_ids[] = { + { .compatible = "atmel,at91rm9200-gpio" }, + { } +}; +#endif + U_BOOT_DRIVER(gpio_at91) = { .name = "gpio_at91", .id = UCLASS_GPIO, +#if CONFIG_IS_ENABLED(OF_CONTROL) + .of_match = at91_gpio_ids, + .platdata_auto_alloc_size = sizeof(struct at91_port_platdata), +#endif .ops = &gpio_at91_ops, .probe = at91_gpio_probe, .priv_auto_alloc_size = sizeof(struct at91_port_priv),