linux-kernel - Re: [PATCH v2 05/11] ARM: dts: zynq: Add QSPI for Parallella

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Date:	Thu, 24 Jul 2014 16:18:29 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Andreas Färber <afaerber@...e.de>
CC:	Michal Simek <michal.simek@...inx.com>,
	Andreas Olofsson <andreas@...pteva.com>,
	Matteo Vit <matteo.vit@...rwaredesign.com>,
	Sean Rickerd <srickerd@...e.com>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>
Subject: Re: [PATCH v2 05/11] ARM: dts: zynq: Add QSPI for Parallella

On Fri, 2014-07-25 at 01:00AM +0200, Andreas Färber wrote:
> Prepare SPI0 and SPI1 while at it.
> 
> Signed-off-by: Andreas Färber <afaerber@...e.de>
> ---
>  v2: New
>  
>  arch/arm/boot/dts/zynq-7000.dtsi      | 37 +++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/zynq-parallella.dts |  4 ++++
>  2 files changed, 41 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index 8fd826a..eed3df0 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -122,6 +122,30 @@
>  			interrupts = <0 50 4>;
>  		};
>  
> +		spi0: spi@...06000 {
> +			compatible = "xlnx,zynq-spi-r1p6";
> +			reg = <0xe0006000 0x1000>;
> +			status = "disabled";
> +			interrupt-parent = <&intc>;
> +			interrupts = <0 26 4>;
> +			clocks = <&clkc 25>, <&clkc 34>;
> +			clock-names = "ref_clk", "pclk";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +		spi1: spi@...07000 {
> +			compatible = "xlnx,zynq-spi-r1p6";
> +			reg = <0xe0007000 0x1000>;
> +			status = "disabled";
> +			interrupt-parent = <&intc>;
> +			interrupts = <0 49 4>;
> +			clocks = <&clkc 26>, <&clkc 35>;
> +			clock-names = "ref_clk", "pclk";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
Until here things look good.

>  		gem0: ethernet@...0b000 {
>  			compatible = "cdns,gem";
>  			reg = <0xe000b000 0x4000>;
> @@ -140,6 +164,19 @@
>  			clock-names = "pclk", "hclk", "tx_clk";
>  		};
>  
> +		qspi: qspi@...0d000 {
> +			compatible = "xlnx,zynq-spi-r1p6";
> +			reg = <0xe000d000 0x1000>;
> +			status = "disabled";
> +			interrupt-parent = <&intc>;
> +			interrupts = <0 19 4>;
> +			clocks = <&clkc 10>, <&clkc 43>;
> +			clock-names = "ref_clk", "pclk";
> +			num-cs = <1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
I'm not sure what the status of this driver is. I think QSPI is still
under review on the mailing lists and I don't think we should add this
yet.

	Sören

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