[PATCH v2] ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings

[Boris BREZILLON]

On Tue, 23 Sep 2014 17:12:52 +0200
Andreas Henriksson <andreas.henriksson at endian.se> wrote:

> As discovered on a custom board similar to at91sam9263ek and basing
> its devicetree on that one apparently the pin muxing doesn't get
> set up properly. This was discovered since the custom boards u-boot
> does funky stuff with the pin muxing and leaved it set to SPI
> which made the MMC driver not work under Linux.
> The fix is simply to define the given configuration as the default.
> This probably worked by pure luck before, but it's better to
> make the muxing explicitly set.
> 
> CC: Boris BREZILLON <boris.brezillon at free-electrons.com>
> Signed-off-by: Andreas Henriksson <andreas.henriksson at endian.se>

Acked-by: Boris Brezillon <boris.brezillon at free-electrons.com>

> ---
>  arch/arm/boot/dts/at91sam9263.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> v2: put pinctrl-names in dtsi instead as requested/suggested by Nicolas Ferre
> 
> 
> diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
> index bb23c2d..5e95a80 100644
> --- a/arch/arm/boot/dts/at91sam9263.dtsi
> +++ b/arch/arm/boot/dts/at91sam9263.dtsi
> @@ -834,6 +834,7 @@
>  				compatible = "atmel,hsmci";
>  				reg = <0xfff80000 0x600>;
>  				interrupts = <10 IRQ_TYPE_LEVEL_HIGH 0>;
> +				pinctrl-names = "default";
>  				#address-cells = <1>;
>  				#size-cells = <0>;
>  				clocks = <&mci0_clk>;
> @@ -845,6 +846,7 @@
>  				compatible = "atmel,hsmci";
>  				reg = <0xfff84000 0x600>;
>  				interrupts = <11 IRQ_TYPE_LEVEL_HIGH 0>;
> +				pinctrl-names = "default";
>  				#address-cells = <1>;
>  				#size-cells = <0>;
>  				clocks = <&mci1_clk>;



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com