diff options
| author | Simon Glass <sjg@chromium.org> | 2014-10-22 21:37:12 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-10-23 19:29:07 -0600 |
| commit | 0bf249511fe76c4de40f29a0bf6f2854935c36c6 (patch) | |
| tree | 7b376104541b90202be2af619d51359a92476b2a | |
| parent | 4119e06dd8b971a258ecb2aa0461dc86da1ea725 (diff) | |
| download | u-boot-imx-0bf249511fe76c4de40f29a0bf6f2854935c36c6.zip u-boot-imx-0bf249511fe76c4de40f29a0bf6f2854935c36c6.tar.gz u-boot-imx-0bf249511fe76c4de40f29a0bf6f2854935c36c6.tar.bz2 | |
dm: omap: serial: Add driver model support
Add driver model support to this driver, while retaining support for the
legacy system. Driver model serial support is enabled with CONFIG_DM_SERIAL
as usual.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial_omap.c | 47 |
2 files changed, 48 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 17c56ea..cd87d18 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_MXS_AUART) += mxs_auart.o obj-$(CONFIG_ARC_SERIAL) += serial_arc.o obj-$(CONFIG_TEGRA_SERIAL) += serial_tegra.o obj-$(CONFIG_UNIPHIER_SERIAL) += serial_uniphier.o +obj-$(CONFIG_OMAP_SERIAL) += serial_omap.o ifndef CONFIG_SPL_BUILD obj-$(CONFIG_USB_TTY) += usbtty.o diff --git a/drivers/serial/serial_omap.c b/drivers/serial/serial_omap.c new file mode 100644 index 0000000..265fe00 --- /dev/null +++ b/drivers/serial/serial_omap.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <fdtdec.h> +#include <ns16550.h> +#include <serial.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_OF_CONTROL +static const struct udevice_id omap_serial_ids[] = { + { .compatible = "ti,omap3-uart" }, + { } +}; + +static int omap_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 = fdtdec_get_int(gd->fdt_blob, dev->of_offset, + "clock-frequency", -1); + plat->reg_shift = 2; + + return 0; +} +#endif + +U_BOOT_DRIVER(serial_omap_ns16550) = { + .name = "serial_omap", + .id = UCLASS_SERIAL, + .of_match = of_match_ptr(omap_serial_ids), + .ofdata_to_platdata = of_match_ptr(omap_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, + .flags = DM_FLAG_PRE_RELOC, +}; |