linux-kernel - Re: [PATCH v2 2/4] arm64: dts: renesas: r8a77995: add VSP instances

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Date:   Wed, 14 Feb 2018 00:03:39 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Kieran Bingham <kbingham@...nel.org>
Cc:     linux-renesas-soc@...r.kernel.org,
        Simon Horman <horms@...ge.net.au>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        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 v2 2/4] arm64: dts: renesas: r8a77995: add VSP instances

Hi Kieran,

Thank you for the patch.

On Tuesday, 13 February 2018 21:30:35 EET Kieran Bingham wrote:
> From: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> 
> The r8a77995 has a VSPBS to support image processing such as blending of
> two input images, and has two VSPDs to handle display pipelines with a
> DU.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> 
> ---
> v2:
>  - Fix VSPD register map size
>  - Squash VSPBS and VSPD patches together
> 
>  arch/arm64/boot/dts/renesas/r8a77995.dtsi | 30 ++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> b/arch/arm64/boot/dts/renesas/r8a77995.dtsi index
> 196a917afea6..19bd8be9926a 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> @@ -692,6 +692,16 @@
>  			status = "disabled";
>  		};
> 
> +		vspbs: vsp@...60000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfe960000 0 0x4000>;

The VSPBS also has OSD-CLUT support in its RPFs, so you need to extend the 
registers range too.

Apart from that,

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

> +			interrupts = <GIC_SPI 465 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 627>;
> +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> +			resets = <&cpg 627>;
> +			renesas,fcp = <&fcpvb0>;
> +		};
> +
>  		fcpvb0: fcp@...6f000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfe96f000 0 0x200>;
> @@ -701,6 +711,16 @@
>  			iommus = <&ipmmu_vp0 5>;
>  		};
> 
> +		vspd0: vsp@...20000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfea20000 0 0x8000>;
> +			interrupts = <GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 623>;
> +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> +			resets = <&cpg 623>;
> +			renesas,fcp = <&fcpvd0>;
> +		};
> +
>  		fcpvd0: fcp@...27000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfea27000 0 0x200>;
> @@ -710,6 +730,16 @@
>  			iommus = <&ipmmu_vi0 8>;
>  		};
> 
> +		vspd1: vsp@...80000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfea28000 0 0x8000>;
> +			interrupts = <GIC_SPI 467 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 622>;
> +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> +			resets = <&cpg 622>;
> +			renesas,fcp = <&fcpvd1>;
> +		};
> +
>  		fcpvd1: fcp@...2f000 {
>  			compatible = "renesas,fcpv";
>  			reg = <0 0xfea2f000 0 0x200>;

-- 
Regards,

Laurent Pinchart