linux-kernel - Re: [PATCH RFC v2 8/8] ARM: zynq: DT: Add pinctrl information

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Date:	Tue, 21 Oct 2014 07:54:20 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	Soren Brinkmann <soren.brinkmann@...inx.com>,
	Linus Walleij <linus.walleij@...aro.org>
CC:	Michal Simek <michal.simek@...inx.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>
Subject: Re: [PATCH RFC v2 8/8] ARM: zynq: DT: Add pinctrl information

On 10/16/2014 07:11 PM, Soren Brinkmann wrote:
> Add pinctrl descriptions to the zc702 and zc706 device trees.
> 
> Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
> ---
>  arch/arm/boot/dts/zynq-7000.dtsi |   8 ++-
>  arch/arm/boot/dts/zynq-zc702.dts | 147 +++++++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/zynq-zc706.dts | 126 +++++++++++++++++++++++++++++++++
>  3 files changed, 280 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index 24036c440440..37d7fe36a129 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -238,7 +238,7 @@
>  		slcr: slcr@...00000 {
>  			#address-cells = <1>;
>  			#size-cells = <1>;
> -			compatible = "xlnx,zynq-slcr", "syscon";
> +			compatible = "xlnx,zynq-slcr", "syscon", "simple-bus";

I expect that you have this here to be able to probe the driver.
slcr is not the bus.
You should be able just to probe child nodes.

Thanks,
Michal
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