linux-kernel - Re: [PATCH] arm64: dts: ls1088a: add fsl-mc hardware resource manager node

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Message-ID: <20171116083920.GK25384@dragon>
Date:   Thu, 16 Nov 2017 16:39:21 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     mark.rutland@....com, devicetree@...r.kernel.org,
        catalin.marinas@....com, will.deacon@....com,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: ls1088a: add fsl-mc hardware resource
 manager node

On Wed, Nov 08, 2017 at 03:30:05PM +0200, Ioana Ciornei wrote:
> Add the fsl-mc node in the LS1088A device tree.
> 
> Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 62 ++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index bd80e9a..aa37ffe 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -166,6 +166,68 @@
>  			     <1 10 IRQ_TYPE_LEVEL_LOW>;/* Hypervisor PPI */
>  	};
>  
> +	fsl_mc: fsl-mc@...000000 {

The unit-address of the node should be somehow related to 'reg'
property.  Can you please help me understand how they are related?

> +		compatible = "fsl,qoriq-mc";
> +		reg = <0x00000008 0x0c000000 0 0x40>,	 /* MC portal base */
> +		      <0x00000000 0x08340000 0 0x40000>; /* MC control reg */
> +		msi-parent = <&its>;
> +		#address-cells = <3>;
> +		#size-cells = <1>;
> +
> +		/*
> +		 * Region type 0x0 - MC portals
> +		 * Region type 0x1 - QBMAN portals
> +		 */
> +		ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000
> +			  0x1 0x0 0x0 0x8 0x18000000 0x8000000>;
> +
> +		dpmacs {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			dpmac1: dpmac@1 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <1>;
> +			};

Please have a newline in between nodes.

Shawn

> +			dpmac2: dpmac@2 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <2>;
> +			};
> +			dpmac3: dpmac@3 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <3>;
> +			};
> +			dpmac4: dpmac@4 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <4>;
> +			};
> +			dpmac5: dpmac@5 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <5>;
> +			};
> +			dpmac6: dpmac@6 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <6>;
> +			};
> +			dpmac7: dpmac@7 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <7>;
> +			};
> +			dpmac8: dpmac@8 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <8>;
> +			};
> +			dpmac9: dpmac@9 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <9>;
> +			};
> +			dpmac10: dpmac@10 {
> +				compatible = "fsl,qoriq-mc-dpmac";
> +				reg = <0xa>;
> +			};
> +		};
> +	};
> +
>  	psci {
>  		compatible = "arm,psci-0.2";
>  		method = "smc";
> -- 
> 1.9.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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