linux-kernel - Re: [PATCH 5/6] ARM: ux500: Enable SDI4 port on the u9540 when booting with Device Tree

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Date:	Wed, 10 Oct 2012 21:04:37 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linus.walleij@...ricsson.com, arnd@...db.de
Subject: Re: [PATCH 5/6] ARM: ux500: Enable SDI4 port on the u9540 when
 booting with Device Tree

On 16:18 Wed 10 Oct     , Lee Jones wrote:
> Here we add the device node for the SDI4 (MMC) port to the u9540
> Device Tree source file. This will allow successful probing of
> the internal MMC storage device when booting with DT enabled.
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  arch/arm/boot/dts/u9540.dts |   12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/u9540.dts b/arch/arm/boot/dts/u9540.dts
> index 28efe20..2dade76 100644
> --- a/arch/arm/boot/dts/u9540.dts
> +++ b/arch/arm/boot/dts/u9540.dts
> @@ -21,7 +21,6 @@
>  	};
>  
>  	soc-u9500 {
> -
why?
>  		uart@...20000 {
>  			status = "okay";
>  		};
> @@ -33,5 +32,16 @@
>  		uart@...07000 {
>  			status = "okay";
>  		};
> +
> +		// On-board eMMC
no c++ comment
> +		sdi4_per2@...14000 {
> +			arm,primecell-periphid = <0x10480180>;
> +		        max-frequency = <50000000>;
> +			bus-width = <8>;
> +			mmc-cap-mmc-highspeed;
> +			vmmc-supply = <&ab8500_ldo_aux2_reg>;
you need add the pinctrl here

Best Regards,
J.
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