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| author | Wenyou Yang <wenyou.yang@atmel.com> | 2016-06-01 08:36:56 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas@biessmann.org> | 2016-06-12 23:49:38 +0200 |
| commit | c1631c8a04f53e694dd73bbb987b97eed5188517 (patch) | |
| tree | 273eaeefd46d447503526db1712d1db62bba79ec /drivers | |
| parent | d3b6662086de317e0495edf9c4670772bff98211 (diff) | |
| download | blackbird-obmc-uboot-c1631c8a04f53e694dd73bbb987b97eed5188517.tar.gz blackbird-obmc-uboot-c1631c8a04f53e694dd73bbb987b97eed5188517.zip | |
serial: atmel_usart: Add device tree support
Add device tree support.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/atmel_usart.c | 19 |
1 files changed, 19 insertions, 0 deletions
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, |
