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Message-ID: <555AFD44.7040007@atmel.com>
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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