linux-kernel - Re: [PATCH 4/5] arm64: dts: mt8192: Add dsi node

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Message-ID: <20220629233134.zt5ua4v5itycjmlt@notapiano>
Date:   Wed, 29 Jun 2022 19:31:34 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Chen-Yu Tsai <wenst@...omium.org>
Subject: Re: [PATCH 4/5] arm64: dts: mt8192: Add dsi node

On Wed, Jun 29, 2022 at 03:42:42PM +0200, AngeloGioacchino Del Regno wrote:
> Il 29/06/22 14:13, Allen-KH Cheng ha scritto:
> > Add dsi ndoe for mt8192 SoC.

Typo: s/ndoe/node.

> > 
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8192.dtsi | 18 ++++++++++++++++++
> >   1 file changed, 18 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > index 26d01544b4ea..72af328126de 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > @@ -1334,6 +1334,24 @@
> >   			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xe000 0x1000>;
> >   		};
> > +		dsi0: dsi@...10000 {
> > +			compatible = "mediatek,mt8183-dsi";
> > +			reg = <0 0x14010000 0 0x1000>;
> > +			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH 0>;
> > +			mediatek,syscon-dsi = <&mmsys 0x140>;

Also drop this syscon-dsi property.

> > +			clocks = <&mmsys CLK_MM_DSI0>,
> > +				 <&mmsys CLK_MM_DSI_DSI0>,
> > +				 <&mipi_tx0>;
> > +			clock-names = "engine", "digital", "hs";
> > +			phys = <&mipi_tx0>;
> > +			phy-names = "dphy";

It's also missing power-domains.

> 
> resets = <&mmsys MT8192_MMSYS_SW0_RST_B_DISP_DSI0>;
> 
> ^^^ This is missing, please add it and resend :-)

Also, when this is added you'll need

#include <dt-bindings/reset/mt8192-resets.h>

With those addressed,

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Thanks,
Nícolas

> 
> > +			status = "disabled";
> > +
> > +			port {
> > +				dsi_out: endpoint { };
> > +			};
> > +		};
> > +
> >   		ovl_2l2: ovl@...14000 {
> >   			compatible = "mediatek,mt8192-disp-ovl-2l";
> >   			reg = <0 0x14014000 0 0x1000>;
> 
> 
>