From c1631c8a04f53e694dd73bbb987b97eed5188517 Mon Sep 17 00:00:00 2001 From: Wenyou Yang Date: Wed, 1 Jun 2016 08:36:56 +0800 Subject: [PATCH] serial: atmel_usart: Add device tree support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add device tree support. Signed-off-by: Wenyou Yang Reviewed-by: Andreas Bießmann Reviewed-by: Simon Glass --- 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 4fe992bf2b..e450135c75 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, -- 2.25.1