linux-kernel - Re: [PATCH v3 9/9] arm64: dts: qcom: Add display support for QCS615 RIDE board

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Message-ID: <520419eb-cedf-465b-a14a-12d97ab257a0@quicinc.com>
Date: Mon, 25 Nov 2024 15:38:51 +0800
From: fange zhang <quic_fangez@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Rob Clark <robdclark@...il.com>,
        Abhinav Kumar
	<quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten
	<marijn.suijten@...ainline.org>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Krishna
 Manikandan" <quic_mkrishn@...cinc.com>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        "Catalin
 Marinas" <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Li Liu
	<quic_lliu6@...cinc.com>,
        Xiangxu Yin <quic_xiangxuy@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 9/9] arm64: dts: qcom: Add display support for QCS615
 RIDE board



On 2024/11/22 18:22, Dmitry Baryshkov wrote:
> On Fri, Nov 22, 2024 at 05:56:52PM +0800, Fange Zhang wrote:
>> From: Li Liu <quic_lliu6@...cinc.com>
>>
>> Add display MDSS and DSI configuration for QCS615 RIDE board.
>> QCS615 has a DP port, and DP support will be added in a later patch.
>>
>> Signed-off-by: Li Liu <quic_lliu6@...cinc.com>
>> Signed-off-by: Fange Zhang <quic_fangez@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/qcs615-ride.dts | 76 ++++++++++++++++++++++++++++++++
>>   1 file changed, 76 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>> index ee6cab3924a6d71f29934a8debba3a832882abdd..cc7dadc411ab79b9e60ccb15eaff84ea5f997c4c 100644
>> --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>> +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
>> @@ -202,6 +202,82 @@ &gcc {
>>   		 <&sleep_clk>;
>>   };
>>   
>> +&i2c2 {
>> +	clock-frequency = <400000>;
>> +	status = "okay";
>> +
>> +	ioexp: gpio@3e {
>> +		compatible = "semtech,sx1509q";
>> +		reg = <0x3e>;
>> +		interrupt-parent = <&tlmm>;
>> +		interrupts = <58 0>;
>> +		gpio-controller;
>> +		#gpio-cells = <2>;
>> +		interrupt-controller;
>> +		#interrupt-cells = <2>;
>> +		semtech,probe-reset;
>> +	};
>> +
>> +	i2c-mux@77 {
>> +		compatible = "nxp,pca9542";
>> +		reg = <0x77>;
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +		i2c@0 {
>> +			reg = <0>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			anx7625@58 {
>> +				compatible = "analogix,anx7625";
>> +				reg = <0x58>;
>> +				interrupt-parent = <&ioexp>;
>> +				interrupts = <0 0>;
>> +				enable-gpios = <&tlmm 4 GPIO_ACTIVE_HIGH>;
>> +				reset-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>;
>> +				wakeup-source;
>> +
>> +				ports {
>> +					#address-cells = <1>;
>> +					#size-cells = <0>;
>> +
>> +					port@0 {
>> +						reg = <0>;
>> +						anx_7625_in: endpoint {
>> +							remote-endpoint = <&mdss_dsi0_out>;
>> +						};
>> +					};
>> +
>> +					port@1 {
>> +						reg = <1>;
>> +						anx_7625_out: endpoint {
>> +						};
> 
> Where is it connected? Is it DP port? USB-C? eDP?
yes, it's DP port
> 
>> +					};
>> +				};
>> +			};
>> +		};
>> +	};
>> +};
>> +
>> +&mdss {
>> +	status = "okay";
>> +};
>> +
>> +&mdss_dsi0 {
>> +	vdda-supply = <&vreg_l11a>;
>> +	status = "okay";
>> +};
>> +
>> +&mdss_dsi0_out {
>> +	remote-endpoint = <&anx_7625_in>;
>> +	data-lanes = <0 1 2 3>;
>> +};
>> +
>> +&mdss_dsi0_phy {
>> +	vdds-supply = <&vreg_l5a>;
>> +	status = "okay";
>> +};
>> +
>>   &qupv3_id_0 {
>>   	status = "okay";
>>   };
>>
>> -- 
>> 2.34.1
>>
>