[PATCH 2/7] enable usb1 phy power supply

Sascha Hauer s.hauer at pengutronix.de
Wed Jul 20 15:08:40 EDT 2011


On Wed, Jul 20, 2011 at 07:08:21PM +0800, Tony Lin wrote:
> configure usb1 phy power enable gpio and enable usb1 phy power

You should add the architecture and board name to the subject so that
it's clear what this patch is about.

Sascha

> 
> Signed-off-by: Tony Lin <tony.lin at freescale.com>
> ---
>  arch/arm/mach-mxs/mach-mx28evk.c |    9 +++++++++
>  1 files changed, 9 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
> index eaaf6ff..6934867 100644
> --- a/arch/arm/mach-mxs/mach-mx28evk.c
> +++ b/arch/arm/mach-mxs/mach-mx28evk.c
> @@ -34,6 +34,7 @@
>  #define MX28EVK_BL_ENABLE	MXS_GPIO_NR(3, 18)
>  #define MX28EVK_LCD_ENABLE	MXS_GPIO_NR(3, 30)
>  #define MX28EVK_FEC_PHY_RESET	MXS_GPIO_NR(4, 13)
> +#define MX28EVK_USB1_PWR_EN	MXS_GPIO_NR(3, 8)
>  
>  #define MX28EVK_MMC0_WRITE_PROTECT	MXS_GPIO_NR(2, 12)
>  #define MX28EVK_MMC1_WRITE_PROTECT	MXS_GPIO_NR(0, 28)
> @@ -183,6 +184,8 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
>  
>  	/* led */
>  	MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
> +	/* usb1 */
> +	MX28_PAD_AUART2_RX__GPIO_3_8 | MXS_PAD_CTRL,
>  };
>  
>  /* led */
> @@ -405,6 +408,12 @@ static void __init mx28evk_init(void)
>  		pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
>  	mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
>  
> +	ret = gpio_request_one(MX28EVK_USB1_PWR_EN, GPIOF_DIR_OUT,
> +			       "usb1-power-en");
> +	if (ret)
> +		pr_warn("failed to request gpio usb1-power-en %d\n", ret);
> +	else
> +		gpio_set_value(MX28EVK_USB1_PWR_EN, 1);
>  	gpio_led_register_device(0, &mx28evk_led_data);
>  }
>  
> -- 
> 1.7.0.4
> 
> 
> 
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> 

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