diff options
| author | Simon Glass <sjg@chromium.org> | 2014-10-30 20:25:50 -0600 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2014-11-05 13:09:58 +0100 |
| commit | 1a81cf8399675056beef5e76be8a9380d88c4ebf (patch) | |
| tree | b3bed5105b65070fbcf811baebe59fa0c105531a /drivers | |
| parent | 7aa9748584227bd97b642f8127382c75df5f4730 (diff) | |
| download | blackbird-obmc-uboot-1a81cf8399675056beef5e76be8a9380d88c4ebf.tar.gz blackbird-obmc-uboot-1a81cf8399675056beef5e76be8a9380d88c4ebf.zip | |
dm: sunxi: Add support for serial using driver model
Add a driver for the designware serial UART used on sunxi. This just
redirects to the normal ns16550 driver.
Add a stdout-path to the device tree so that the correct UART is chosen.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial_dw.c | 39 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 2c19ebc288..8c84942761 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_ALTERA_UART) += altera_uart.o obj-$(CONFIG_ALTERA_JTAG_UART) += altera_jtag_uart.o obj-$(CONFIG_ARM_DCC) += arm_dcc.o obj-$(CONFIG_ATMEL_USART) += atmel_usart.o +obj-$(CONFIG_DW_SERIAL) += serial_dw.o obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o obj-$(CONFIG_MCFUART) += mcfuart.o obj-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o diff --git a/drivers/serial/serial_dw.c b/drivers/serial/serial_dw.c new file mode 100644 index 0000000000..a348f2956a --- /dev/null +++ b/drivers/serial/serial_dw.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <ns16550.h> +#include <serial.h> + +static const struct udevice_id dw_serial_ids[] = { + { .compatible = "snps,dw-apb-uart" }, + { } +}; + +static int dw_serial_ofdata_to_platdata(struct udevice *dev) +{ + struct ns16550_platdata *plat = dev_get_platdata(dev); + int ret; + + ret = ns16550_serial_ofdata_to_platdata(dev); + if (ret) + return ret; + plat->clock = CONFIG_SYS_NS16550_CLK; + + return 0; +} + +U_BOOT_DRIVER(serial_ns16550) = { + .name = "serial_dw", + .id = UCLASS_SERIAL, + .of_match = dw_serial_ids, + .ofdata_to_platdata = dw_serial_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct ns16550_platdata), + .priv_auto_alloc_size = sizeof(struct NS16550), + .probe = ns16550_serial_probe, + .ops = &ns16550_serial_ops, +}; |
