[OpenWrt-Devel] [PATCH] [ar71xx] Send power to USB port on WNR2200

[Felix Fietkau]

On 2015-10-03 05:34, Riley Baird wrote:
> This patch fixes ticket #15267 by enabling power on the
> WNR2200's USB port. At present, the USB port on the WNR2200
> is non-functional due to it not receiving power.
> 
> This patch defines an additional GPIO pin, but none of the
> current GPIO definitions have been modified.
> 
> Signed-off-by: Riley Baird <BM-2cVqnDuYbAU5do2DfJTrN7ZbAJ246S4XiX at bitmessage.ch>
> ----
> diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c
> index bf7f9ee..b98f7c7 100644
> --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c
> +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c
> @@ -36,7 +36,7 @@
>  #define WNR2200_GPIO_LED_LAN4_GREEN	16
>  #define WNR2200_GPIO_LED_PWR_AMBER	21
>  #define WNR2200_GPIO_LED_PWR_GREEN	22
> -
> +#define WNR2200_GPIO_USB_5V		4
>  #define WNR2200_GPIO_USB_POWER		24
>  
>  #define WNR2200_KEYS_POLL_INTERVAL	20 /* msecs */
> @@ -127,9 +127,10 @@ static void __init wnr2200_setup(void)
>  					wnr2200_leds_gpio);
>  
>  	/* enable power for the USB port */
> -	gpio_request_one(WNR2200_GPIO_USB_POWER,
> -			GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
> -			"USB power");
> +	ap9x_pci_setup_wmac_gpio(0,
> +		BIT(WNR2200_GPIO_USB_5V) |
> +		BIT(WNR2200_GPIO_LED_PWR_AMBER) | BIT(WNR2200_GPIO_LED_PWR_GREEN),
> +		BIT(WNR2200_GPIO_USB_5V) | BIT(WNR2200_GPIO_LED_PWR_AMBER));
So the USB port GPIO is behind the WMAC? Why also add these other LEDs
to the WMAC GPIO mask?

- Felix
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