linux-kernel - Re: [PATCH 11/17] arm64: dts: r8a77965: Add VSP instances

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Message-ID: <1787243.JuNJAuBqMb@avalon>
Date:   Fri, 27 Apr 2018 00:11:05 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Cc:     linux-renesas-soc@...r.kernel.org,
        Takeshi Kihara <takeshi.kihara.df@...esas.com>,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/17] arm64: dts: r8a77965: Add VSP instances

Hi Kieran,

Thank you for the patch.

On Thursday, 26 April 2018 19:53:40 EEST Kieran Bingham wrote:
> The r8a77965 has 4 VSP instances.
> 
> Based on a similar patch of the R8A7796 device tree
> by Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>.
> 
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@...esas.com>
> [Kieran: Rebased to top of tree, fixed sort orders]
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> ---
>  arch/arm64/boot/dts/renesas/r8a77965.dtsi | 44 +++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> b/arch/arm64/boot/dts/renesas/r8a77965.dtsi index
> 1f44ed7c1b1c..e92e6b03333a 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> @@ -1009,6 +1009,17 @@
>  			resets = <&cpg 615>;
>  		};
> 
> +		vspb: vsp@...60000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfe960000 0 0x8000>;
> +			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 626>;
> +			power-domains = <&sysc R8A77965_PD_A3VP>;
> +			resets = <&cpg 626>;
> +
> +			renesas,fcp = <&fcpvb0>;
> +		};
> +
>  		fcpvb0: fcp@...6f000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfe96f000 0 0x200>;
> @@ -1017,6 +1028,17 @@
>  			resets = <&cpg 607>;
>  		};
> 
> +		vspi0: vsp@...a0000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfe9a0000 0 0x8000>;
> +			interrupts = <GIC_SPI 444 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 631>;
> +			power-domains = <&sysc R8A77965_PD_A3VP>;
> +			resets = <&cpg 631>;
> +
> +			renesas,fcp = <&fcpvi0>;
> +		};
> +
>  		fcpvi0: fcp@...af000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfe9af000 0 0x200>;
> @@ -1025,6 +1047,17 @@
>  			resets = <&cpg 611>;
>  		};
> 
> +		vspd0: vsp@...20000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfea20000 0 0x4000>;

RFP2 has a CLUT so the register range needs to be extended. I'd recommend 
covering the entire space (0x8000) even if no LUT or CLU module is present.

> +			interrupts = <GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 623>;
> +			power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
> +			resets = <&cpg 623>;
> +
> +			renesas,fcp = <&fcpvd0>;
> +		};
> +
>  		fcpvd0: fcp@...27000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfea27000 0 0x200>;
> @@ -1033,6 +1066,17 @@
>  			resets = <&cpg 603>;
>  		};
> 
> +		vspd1: vsp@...28000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfea28000 0 0x4000>;

Same here.

With this fixed,

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> +			interrupts = <GIC_SPI 467 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 622>;
> +			power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
> +			resets = <&cpg 622>;
> +
> +			renesas,fcp = <&fcpvd1>;
> +		};
> +
>  		fcpvd1: fcp@...2f000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfea2f000 0 0x200>;


-- 
Regards,

Laurent Pinchart