linux-kernel - Re: [PATCH v5 4/4] arm64: zynqmp: Add DDRC node

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Date:   Wed, 5 Sep 2018 12:20:53 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Manish Narani <manish.narani@...inx.com>, robh+dt@...nel.org
Cc:     mark.rutland@....com, michal.simek@...inx.com, mchehab@...nel.org,
        leoyang.li@....com, amit.kucheria@...aro.org, olof@...om.net,
        sgoud@...inx.com, anirudh@...inx.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-edac@...r.kernel.org
Subject: Re: [PATCH v5 4/4] arm64: zynqmp: Add DDRC node

On Fri, Aug 31, 2018 at 06:57:50PM +0530, Manish Narani wrote:
> Add ddrc memory controller node in dts. The size mentioned in dts is
> 0x30000, because we need to access DDR_QOS INTR registers located at
> 0xFD090208 from this driver.
> 
> Signed-off-by: Manish Narani <manish.narani@...inx.com>
> ---
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 29ce234..a81d3b16 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -355,6 +355,13 @@
>  			xlnx,bus-width = <64>;
>  		};
>  
> +		mc: memory-controller@...70000 {
> +			compatible = "xlnx,zynqmp-ddrc-2.40a";
> +			reg = <0x0 0xfd070000 0x0 0x30000>;
> +			interrupt-parent = <&gic>;
> +			interrupts = <0 112 4>;
> +		};
> +
>  		gem0: ethernet@...b0000 {
>  			compatible = "cdns,zynqmp-gem", "cdns,gem";
>  			status = "disabled";
> -- 

This still needs Rob's ACK.

-- 
Regards/Gruss,
    Boris.

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