[OpenWrt-Devel] [PATCH] ramips: enable additional GPIOs on HAME MPR-A1

[Álvaro Fernández Rojas]

Hello,

If you also add "spi_cs1" GPIO#27 will be exposed.
This was added on https://dev.openwrt.org/changeset/41938 for VoCore.

Regards,
Álvaro.

El 08/08/2014 18:17, Paul Fertser escribió:
> According to the pcb tracing results[1] by anton.rad[2] MPR-A1s expose
> 6 unused GPIOs, only one of them working as configured in the current
> DTS. This patch enables GPIO22-26.
> 
> Tested on hardware.
> 
> [1] http://i.imgur.com/kHVW2Ox.jpg
> [2] https://forum.openwrt.org/viewtopic.php?pid=222698#p222698
> 
> Signed-off-by: Paul Fertser <fercerpav at gmail.com>
> ---
>  target/linux/ramips/dts/MPRA1.dts | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/target/linux/ramips/dts/MPRA1.dts b/target/linux/ramips/dts/MPRA1.dts
> index 9b4ee34..60a23fe 100644
> --- a/target/linux/ramips/dts/MPRA1.dts
> +++ b/target/linux/ramips/dts/MPRA1.dts
> @@ -41,12 +41,15 @@
>  				};
>  			};
>  		};
> +		gpio1: gpio at 660 {
> +			status = "okay";
> +		};
>  	};
>  
>  	pinctrl {
>  		state_default: pinctrl0 {
>  			gpio {
> -				ralink,group = "i2c", "jtag", "rgmii", "mdio", "uartf";
> +				ralink,group = "i2c", "jtag", "rgmii", "mdio", "uartf", "led";
>  				ralink,function = "gpio";
>  			};
>  		};
> 
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