[U-Boot] [PATCH v2 4/9] i2c: sh_i2c.c: support I2C2, I2C3 and I2C4

Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj at renesas.com
Thu Sep 13 07:13:55 CEST 2012


On Wed, Sep 12, 2012 at 5:21 PM, Tetsuyuki Kobayashi <koba at kmckk.co.jp> wrote:
> sh_i2c.c support I2C0 and I2C1. This patch extends it to I2C4.
>
> Signed-off-by: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
> ---
> Changes for v2:
>  - new
>
>  drivers/i2c/sh_i2c.c    |   15 +++++++++++++++
>  include/configs/kzm9g.h |    5 ++++-
>  2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/sh_i2c.c b/drivers/i2c/sh_i2c.c
> index 6c6a141..d524619 100644
> --- a/drivers/i2c/sh_i2c.c
> +++ b/drivers/i2c/sh_i2c.c
> @@ -200,6 +200,21 @@ int i2c_set_bus_num(unsigned int bus)
>         case 1:
>                 base = (void *)CONFIG_SH_I2C_BASE1;
>                 break;
> +#ifdef CONFIG_SH_I2C_BASE2
> +       case 2:
> +               base = (void *)CONFIG_SH_I2C_BASE2;
> +               break;
> +#endif
> +#ifdef CONFIG_SH_I2C_BASE3
> +       case 3:
> +               base = (void *)CONFIG_SH_I2C_BASE3;
> +               break;
> +#endif
> +#ifdef CONFIG_SH_I2C_BASE4
> +       case 4:
> +               base = (void *)CONFIG_SH_I2C_BASE4;
> +               break;
> +#endif
>         default:
>                 return -1;
>         }
> diff --git a/include/configs/kzm9g.h b/include/configs/kzm9g.h
> index abeab69..6a0b6c5 100644
> --- a/include/configs/kzm9g.h
> +++ b/include/configs/kzm9g.h
> @@ -158,7 +158,7 @@
>  #define CONFIG_SH_I2C_8BIT
>  #define CONFIG_HARD_I2C
>  #define CONFIG_I2C_MULTI_BUS
> -#define CONFIG_SYS_MAX_I2C_BUS  (2)
> +#define CONFIG_SYS_MAX_I2C_BUS  (5)
>  #define CONFIG_SYS_I2C_MODULE
>  #define CONFIG_SYS_I2C_SPEED    (100000) /* 100 kHz */
>  #define CONFIG_SYS_I2C_SLAVE    (0x7F)
> @@ -167,5 +167,8 @@
>  #define CONFIG_SH_I2C_CLOCK     (104000000) /* 104 MHz */
>  #define CONFIG_SH_I2C_BASE0     (0xE6820000)
>  #define CONFIG_SH_I2C_BASE1     (0xE6822000)
> +#define CONFIG_SH_I2C_BASE2     (0xE6824000)
> +#define CONFIG_SH_I2C_BASE3     (0xE6826000)
> +#define CONFIG_SH_I2C_BASE4     (0xE6828000)
>
>  #endif /* __KZM9G_H */
> --
> 1.7.9.5

Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>

Best regards,
  Nobuhiro

-- 
Nobuhiro Iwamatsu


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