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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2015-09-19 14:47:36 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-10-23 10:53:46 -0400 |
| commit | 6c2441c1d3f3ac11c7840aa1381a5beca68aafb3 (patch) | |
| tree | cc3b61f667eaed6165986de922114333dc33dae8 | |
| parent | 96fa1e4385bb1b63c58c48d10b552605f47a6f7f (diff) | |
| download | talos-obmc-uboot-6c2441c1d3f3ac11c7840aa1381a5beca68aafb3.tar.gz talos-obmc-uboot-6c2441c1d3f3ac11c7840aa1381a5beca68aafb3.zip | |
dm: keystone: serial: Add driver model support
Add driver model support for keystone serial driver.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial_keystone.c | 48 |
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 869ea7b8fb..1818c7c3a6 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_EFI_APP) += serial_efi.o obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o obj-$(CONFIG_MCFUART) += mcfuart.o obj-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o +obj-$(CONFIG_KEYSTONE_SERIAL) += serial_keystone.o obj-$(CONFIG_SYS_NS16550) += ns16550.o obj-$(CONFIG_S5P) += serial_s5p.o obj-$(CONFIG_IMX_SERIAL) += serial_imx.o diff --git a/drivers/serial/serial_keystone.c b/drivers/serial/serial_keystone.c new file mode 100644 index 0000000000..7b5ab6c5ca --- /dev/null +++ b/drivers/serial/serial_keystone.c @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2015 Texas Instruments, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <fdtdec.h> +#include <ns16550.h> +#include <serial.h> +#include <asm/arch/clock.h> + +DECLARE_GLOBAL_DATA_PTR; + +#if CONFIG_IS_ENABLED(OF_CONTROL) +static const struct udevice_id keystone_serial_ids[] = { + { .compatible = "ti,keystone-uart" }, + { .compatible = "ns16550a" }, + { } +}; + +static int keystone_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; +} +#endif + +U_BOOT_DRIVER(serial_keystone_ns16550) = { + .name = "serial_keystone", + .id = UCLASS_SERIAL, +#if CONFIG_IS_ENABLED(OF_CONTROL) + .of_match = of_match_ptr(keystone_serial_ids), + .ofdata_to_platdata = of_match_ptr(keystone_serial_ofdata_to_platdata), + .platdata_auto_alloc_size = sizeof(struct ns16550_platdata), +#endif + .priv_auto_alloc_size = sizeof(struct NS16550), + .probe = ns16550_serial_probe, + .ops = &ns16550_serial_ops, + .flags = DM_FLAG_PRE_RELOC, +}; |
