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gpio: at91_gpio: add the device tree support

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Add the device tree support.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
This commit is contained in:
Wenyou Yang 2017-03-23 12:46:20 +08:00 committed by Simon Glass
parent 5a07a5f922
commit cf468880c3
1 changed files with 15 additions and 0 deletions
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15
drivers/gpio/at91_gpio.c
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@ -572,14 +572,29 @@ 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),