[U-Boot] [PATCH 1/2] serial_sh: Add OF support
Nobuhiro Iwamatsu
iwamatsu at nigauri.org
Mon Jun 1 02:08:55 CEST 2015
Hi!
015-05-21 15:31 GMT+09:00 Yoshinori Sato <ysato at users.sourceforge.jp>:
> Add device tree support.
>
> Signed-off-by: Yoshinori Sato <ysato at users.sourceforge.jp>
> ---
> doc/device-tree-bindings/serial/sh.txt | 6 ++++++
> drivers/serial/serial_sh.c | 28 ++++++++++++++++++++++++++++
> 2 files changed, 34 insertions(+)
> create mode 100644 doc/device-tree-bindings/serial/sh.txt
2015-05-21 15:31 GMT+09:00 Yoshinori Sato <ysato at users.sourceforge.jp>:
> Add support for standard type SCI (without FIFO) port.
>
> Signed-off-by: Yoshinori Sato <ysato at users.sourceforge.jp>
> ---
> doc/device-tree-bindings/serial/sh.txt | 2 +-
> drivers/serial/serial_sh.c | 8 ++++++++
> 2 files changed, 9 insertions(+), 1 deletion(-)
>
Thanks for your patch.
Sorry, your patch can not apply u-boot/master HEAD.
Could you rebase and resend this patch?
Best regards,
Nobuhiro
2015-05-21 15:31 GMT+09:00 Yoshinori Sato <ysato at users.sourceforge.jp>:
> Add device tree support.
>
> Signed-off-by: Yoshinori Sato <ysato at users.sourceforge.jp>
> ---
> doc/device-tree-bindings/serial/sh.txt | 6 ++++++
> drivers/serial/serial_sh.c | 28 ++++++++++++++++++++++++++++
> 2 files changed, 34 insertions(+)
> create mode 100644 doc/device-tree-bindings/serial/sh.txt
>
> diff --git a/doc/device-tree-bindings/serial/sh.txt b/doc/device-tree-bindings/serial/sh.txt
> new file mode 100644
> index 0000000..b23b135
> --- /dev/null
> +++ b/doc/device-tree-bindings/serial/sh.txt
> @@ -0,0 +1,6 @@
> +* Renesas SCI serial interface
> +
> +Required properties:
> +- compatible: must be "renesas,scif" or "renesas,scifa"
> +- reg: exactly one register range with length
> +- clock: input clock frequency for the SCI unit
> diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
> index 8693c1e..32b2bf0 100644
> --- a/drivers/serial/serial_sh.c
> +++ b/drivers/serial/serial_sh.c
> @@ -17,6 +17,8 @@
> #include <dm/platform_data/serial_sh.h>
> #include "serial_sh.h"
>
> +DECLARE_GLOBAL_DATA_PTR;
> +
> #if defined(CONFIG_CPU_SH7760) || \
> defined(CONFIG_CPU_SH7780) || \
> defined(CONFIG_CPU_SH7785) || \
> @@ -201,10 +203,35 @@ static const struct dm_serial_ops sh_serial_ops = {
> .setbrg = sh_serial_setbrg,
> };
>
> +#ifdef CONFIG_OF_CONTROL
> +static const struct udevice_id sh_serial_id[] = {
> + {.compatible = "renesas,scif", .data = PORT_SCIF},
> + {.compatible = "renesas,scifa", .data = PORT_SCIFA},
> + {}
> +};
> +
> +static int sh_serial_ofdata_to_platdata(struct udevice *dev)
> +{
> + struct sh_serial_platdata *plat = dev_get_platdata(dev);
> + fdt_addr_t addr;
> +
> + addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
> + if (addr == FDT_ADDR_T_NONE)
> + return -EINVAL;
> +
> + plat->base = addr;
> + plat->clk = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "clock", 1);
> + plat->type = dev_get_driver_data(dev);
> + return 0;
> +}
> +#endif
> +
> U_BOOT_DRIVER(serial_sh) = {
> .name = "serial_sh",
> .id = UCLASS_SERIAL,
> + .of_match = of_match_ptr(sh_serial_id),
> + .ofdata_to_platdata = of_match_ptr(sh_serial_ofdata_to_platdata),
> + .platdata_auto_alloc_size = sizeof(struct sh_serial_platdata),
> .probe = sh_serial_probe,
> .ops = &sh_serial_ops,
> .flags = DM_FLAG_PRE_RELOC,
> --
> 2.1.4
>
--
Nobuhiro Iwamatsu
iwamatsu at {nigauri.org / debian.org}
GPG ID: 40AD1FA6
More information about the U-Boot
mailing list