On 01.06.16 02:36, Wenyou Yang wrote:
> Add device tree support.
>
> Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com>
Reviewed-by: Andreas Bießmann <andr...@biessmann.org>
> ---
>
> Changes in v2:
> - Add conditional for device tree support.
>
> drivers/serial/atmel_usart.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
> index 4fe992b..e450135 100644
> --- a/drivers/serial/atmel_usart.c
> +++ b/drivers/serial/atmel_usart.c
> @@ -191,16 +191,35 @@ static int atmel_serial_probe(struct udevice *dev)
> {
> struct atmel_serial_platdata *plat = dev->platdata;
> struct atmel_serial_priv *priv = dev_get_priv(dev);
> +#if CONFIG_IS_ENABLED(OF_CONTROL)
> + fdt_addr_t addr_base;
>
> + addr_base = dev_get_addr(dev);
> + if (addr_base == FDT_ADDR_T_NONE)
> + return -ENODEV;
> +
> + plat->base_addr = (uint32_t)addr_base;
> +#endif
> priv->usart = (atmel_usart3_t *)plat->base_addr;
> atmel_serial_init_internal(priv->usart);
>
> return 0;
> }
>
> +#if CONFIG_IS_ENABLED(OF_CONTROL)
> +static const struct udevice_id atmel_serial_ids[] = {
> + { .compatible = "atmel,at91sam9260-usart" },
> + { }
> +};
> +#endif
> +
> U_BOOT_DRIVER(serial_atmel) = {
> .name = "serial_atmel",
> .id = UCLASS_SERIAL,
> +#if CONFIG_IS_ENABLED(OF_CONTROL)
> + .of_match = atmel_serial_ids,
> + .platdata_auto_alloc_size = sizeof(struct atmel_serial_platdata),
> +#endif
> .probe = atmel_serial_probe,
> .ops = &atmel_serial_ops,
> .flags = DM_FLAG_PRE_RELOC,
>
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