linux-kernel - Re: [PATCH 1/4] arm64: dts: mt8195: Add dp-intf nodes

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Date:   Thu, 15 Sep 2022 16:32:31 +0800
From:   Bo-Chen Chen <rex-bc.chen@...iatek.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH 1/4] arm64: dts: mt8195: Add dp-intf nodes

On Thu, 2022-09-15 at 16:13 +0800, AngeloGioacchino Del Regno wrote:
> Il 15/09/22 09:58, Bo-Chen Chen ha scritto:
> > Add dp-intf0 and dp-intf1 nodes for MT8195.
> > 
> > Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8195.dtsi | 23
> > +++++++++++++++++++++++
> >   1 file changed, 23 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > index 905d1a90b406..93e6a106a9b8 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > @@ -2155,5 +2155,28 @@
> >   			clock-names = "apb", "smi", "gals";
> >   			power-domains = <&spm
> > MT8195_POWER_DOMAIN_VDOSYS1>;
> >   		};
> > +
> > +		dp_intf0: dp-intf@...15000 {
> 
> Please keep the devicetree nodes ordered by mmio.
> dp_intf0 goes between mutex@...16000 and larb@...18000.
> 

Hello Angelo,

Thanks for your review.

I think it should be merge@...14000 and mutex@...16000?
I will move dp-intf@...15000 between them.

> > +			status = "disabled";
> 
> status = "disabled" across the entire mt8195.dtsi nodes is always at
> the end.
> Please keep consistency.
> 

OK, I will modify this in next version.

BRs,
Bo-Chen

> > +			compatible = "mediatek,mt8195-dp-intf";
> > +			reg = <0 0x1c015000 0 0x1000>;
> > +			interrupts = <GIC_SPI 657 IRQ_TYPE_LEVEL_HIGH
> > 0>;
> > +			clocks = <&vdosys0  CLK_VDO0_DP_INTF0>,
> > +				 <&vdosys0 CLK_VDO0_DP_INTF0_DP_INTF>,
> > +				 <&apmixedsys CLK_APMIXED_TVDPLL1>;
> > +			clock-names = "engine", "pixel", "pll";
> > +		};
> > +
> > +		dp_intf1: dp-intf@...13000 {
> > +			compatible = "mediatek,mt8195-dp-intf";
> > +			reg = <0 0x1c113000 0 0x1000>;
> > +			interrupts = <GIC_SPI 513 IRQ_TYPE_LEVEL_HIGH
> > 0>;
> > +			power-domains = <&spm
> > MT8195_POWER_DOMAIN_VDOSYS1>;
> > +			clocks = <&vdosys1 CLK_VDO1_DP_INTF0_MM>,
> > +				 <&vdosys1 CLK_VDO1_DPINTF>,
> > +				 <&apmixedsys CLK_APMIXED_TVDPLL2>;
> > +			clock-names = "engine", "pixel", "pll";
> > +			status = "disabled";
> > +		};
> >   	};
> >   };
> 
>