linux-kernel - Re: [PATCH v1] arm64: dts: mt8195: add display node for vdosys1

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Date:   Tue, 21 Mar 2023 18:42:39 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Nancy.Lin" <nancy.lin@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        singo.chang@...iatek.com
Subject: Re: [PATCH v1] arm64: dts: mt8195: add display node for vdosys1

On 21/03/2023 14:12, Nancy.Lin wrote:
> Add display node for vdosys1.
> 
> Signed-off-by: Nancy.Lin <nancy.lin@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> 
> ---
> 1. The dts patch is separated from the following patch:
>  - [v21,25/25] arm64: dts: mt8195: add display node for vdosys1
>    20220512053128.31415-26-nancy.lin@...iatek.com
> 
> 2. This patch is based on the following series:
>  - Add MediaTek SoC DRM (vdosys1) support for mt8195
>    20230321121859.2355-1-nancy.lin@...iatek.com
> ---
>  arch/arm64/boot/dts/mediatek/mt8195.dtsi | 223 +++++++++++++++++++++++
>  1 file changed, 223 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index 8fc527570791..c6b625350583 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -24,6 +24,22 @@
>  	aliases {
>  		gce0 = &gce0;
>  		gce1 = &gce1;
> +		ethdr0 = &ethdr0;
> +		mutex0 = &mutex;
> +		mutex1 = &mutex1;
> +		merge1 = &merge1;
> +		merge2 = &merge2;
> +		merge3 = &merge3;
> +		merge4 = &merge4;
> +		merge5 = &merge5;
> +		vdo1-rdma0 = &vdo1_rdma0;
> +		vdo1-rdma1 = &vdo1_rdma1;
> +		vdo1-rdma2 = &vdo1_rdma2;
> +		vdo1-rdma3 = &vdo1_rdma3;
> +		vdo1-rdma4 = &vdo1_rdma4;
> +		vdo1-rdma5 = &vdo1_rdma5;
> +		vdo1-rdma6 = &vdo1_rdma6;
> +		vdo1-rdma7 = &vdo1_rdma7;
>  	};
>  
>  	cpus {
> @@ -2575,7 +2591,10 @@
>  		vdosys1: syscon@...00000 {
>  			compatible = "mediatek,mt8195-vdosys1", "syscon";
>  			reg = <0 0x1c100000 0 0x1000>;
> +			mboxes = <&gce0 1 CMDQ_THR_PRIO_4>;
> +			mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0x0000 0x1000>;
>  			#clock-cells = <1>;
> +			#reset-cells = <1>;
>  		};
>  
>  		smi_common_vdo: smi@...1b000 {
> @@ -2604,6 +2623,17 @@
>  			power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
>  		};
>  
> +		mutex1: mutex0@...01000 {

So is it mutex1 or mutex0? Or maybe hwlock?

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation



Best regards,
Krzysztof