linux-kernel - Re: [PATCH 1/4] ARM: at91/dt: sama5d3 xplained: fill in mmc1 and set it to disabled

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Date:	Tue, 19 May 2015 11:07:16 +0200
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Ludovic Desroches <ludovic.desroches@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <ben.dooks@...ethink.co.uk>
CC:	<linux-kernel@...r.kernel.org>, <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: Re: [PATCH 1/4] ARM: at91/dt: sama5d3 xplained: fill in mmc1 and
 set it to disabled

Le 27/04/2015 15:19, Ludovic Desroches a écrit :
> From: Ben Dooks <ben.dooks@...ethink.co.uk>
> 
> The mmc1 channel is not populated on the SAM5D3 Xplained board, however
> it is enabled and therefore the driver is attaching to it.
> 
> The node configuration for mmc1 is missing, so add an mmc1 node in the
> device tree and set its status to disabled. Also add the vmmc and the
> necessary slot configuration if this node were enabled to avoid the following
> warnings from the driver:
> 
> atmel_mci f8000000.mmc: No vmmc regulator found
> atmel_mci f8000000.mmc: No vqmmc regulator found
> 
> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>

Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

and queued on at91-4.2-dt branch.

I also sent the update of the at91 defconfigs. We may need to have a
kind of synchronization between them... but a loose one should be okay...

Bye,

> ---
>  arch/arm/boot/dts/at91-sama5d3_xplained.dts | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> index 9991240..af8b263 100644
> --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> @@ -43,6 +43,17 @@
>  				};
>  			};
>  
> +			mmc1: mmc@...00000 {
> +				vmmc-supply = <&vcc_3v3_reg>;
> +				vqmmc-supply = <&vcc_3v3_reg>;
> +				status = "disabled";
> +				slot@0 {
> +					reg = <0>;
> +					bus-width = <4>;
> +					cd-gpios = <&pioE 1 GPIO_ACTIVE_LOW>;
> +				};
> +			};
> +
>  			spi0: spi@...04000 {
>  				cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
>  				status = "okay";
> 


-- 
Nicolas Ferre
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