[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


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