[U-Boot] [PATCH 4/7] EXYNOS5: GPIO to enable MAX98095

Simon Glass sjg at chromium.org
Tue Jan 22 15:55:46 CET 2013


Hi Rajeshwari,

On Mon, Jan 21, 2013 at 2:52 AM, Rajeshwari Shinde
<rajeshwari.s at samsung.com> wrote:
> This patch sets high a GPIO to enable the codec MAX98095
>
> Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
> ---
>  board/samsung/smdk5250/smdk5250.c |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
> index 12cc03e..6f2e067 100644
> --- a/board/samsung/smdk5250/smdk5250.c
> +++ b/board/samsung/smdk5250/smdk5250.c
> @@ -56,6 +56,18 @@ int board_usb_vbus_init(void)
>  }
>  #endif
>
> +#ifdef CONFIG_SOUND_MAX98095
> +static void  board_enable_audio_codec(void)
> +{
> +       struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
> +                                               samsung_get_base_gpio_part1();
> +
> +       /* Enable MAX98095 Codec */
> +       s5p_gpio_direction_output(&gpio1->x1, 7, 1);
> +       s5p_gpio_set_pull(&gpio1->x1, 7, GPIO_PULL_NONE);

This GPIO is hard-coded - does the FDT version of this file do this differently?

> +}
> +#endif
> +
>  int board_init(void)
>  {
>         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
> @@ -65,6 +77,9 @@ int board_init(void)
>  #ifdef CONFIG_USB_EHCI_EXYNOS
>         board_usb_vbus_init();
>  #endif
> +#ifdef CONFIG_SOUND_MAX98095
> +       board_enable_audio_codec();
> +#endif
>         return 0;
>  }
>
> --
> 1.7.4.4
>

Regards,
Simon


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