[PATCH] ARM: mmp: added 5V Regulator enable for Brownstone

[Eric Miao]

On Mon, Dec 13, 2010 at 4:28 AM, Mark F. Brown <mark.brown314 at gmail.com> wrote:
> 5V supply for USB ports, LCD connector, and HDMI
>
> Signed-off-by: Mark F. Brown <mark.brown314 at gmail.com>

Looks good. Applied to 'devel'.

> ---
>  arch/arm/mach-mmp/brownstone.c |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c
> index 635c400..9d37b35 100644
> --- a/arch/arm/mach-mmp/brownstone.c
> +++ b/arch/arm/mach-mmp/brownstone.c
> @@ -97,8 +97,13 @@ static unsigned long brownstone_pin_config[] __initdata = {
>        GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
>        GPIO112_MMC3_CMD | MFP_PULL_HIGH,
>        GPIO151_MMC3_CLK,
> +
> +       /* 5V Regulator */
> +       GPIO89_GPIO89,
>  };
>
> +#define GPIO_5V_ENABLE (89)
> +
>  static struct regulator_consumer_supply max8649_supply[] = {
>        REGULATOR_SUPPLY("vcc_core", NULL),
>  };
> @@ -145,10 +150,25 @@ static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
>        .max_speed      = 25000000,
>  };
>
> +/* enable for MAX8815A regulator (5V_ENABLE) */
> +static void brownstone_enable_5v_regulator(void)
> +{
> +       int ret;
> +       ret = gpio_request(GPIO_5V_ENABLE, "5V_ENABLE");
> +       if (ret < 0)
> +               pr_warning("Unable to request GPIO_5V_ENABLE\n");
> +       else
> +               gpio_direction_output(GPIO_5V_ENABLE, 1);
> +       gpio_free(GPIO_5V_ENABLE);
> +}
> +
>  static void __init brownstone_init(void)
>  {
>        mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
>
> +       /* enable 5v regulator */
> +       brownstone_enable_5v_regulator();
> +
>        /* on-chip devices */
>        mmp2_add_uart(1);
>        mmp2_add_uart(3);
> --
> 1.7.0.4
>
>