linux-kernel - Re: [PATCH 07/11] arm64: dts: qcom: sa8775p-ride: add anx7625 DSI to DP bridge nodes

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Message-ID: <ecdc2230-1ce1-4d70-a352-180f6cd29e61@kernel.org>
Date: Tue, 25 Feb 2025 14:31:05 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Ayushi Makhija <quic_amakhija@...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
Cc: robdclark@...il.com, dmitry.baryshkov@...aro.org, sean@...rly.run,
 marijn.suijten@...ainline.org, andersson@...nel.org, robh@...nel.org,
 robh+dt@...nel.org, krzk+dt@...nel.org, konradybcio@...nel.org,
 conor+dt@...nel.org, andrzej.hajda@...el.com, neil.armstrong@...aro.org,
 rfoss@...nel.org, Laurent.pinchart@...asonboard.com, jonas@...boo.se,
 jernej.skrabec@...il.com, quic_abhinavk@...cinc.com,
 quic_rajeevny@...cinc.com, quic_vproddut@...cinc.com,
 quic_jesszhan@...cinc.com
Subject: Re: [PATCH 07/11] arm64: dts: qcom: sa8775p-ride: add anx7625 DSI to
 DP bridge nodes

On 25/02/2025 13:18, Ayushi Makhija wrote:
> +		pinctrl-0 = <&dsi0_int_pin>,
> +				<&dsi0_cbl_det_pin>,
> +				<&dsi1_int_pin>,
> +				<&dsi1_cbl_det_pin>;
> +		pinctrl-names = "default";
> +
> +		dsi0_int_pin: gpio2_cfg {


No underscores, see DTS coding style.

> +			pins = "gpio2";
> +			input-enable;
> +			bias-disable;
> +		};
> +
> +		dsi0_cbl_det_pin: gpio3_cfg {
> +			pins = "gpio3";
> +			bias-pull-down;
> +		};
> +
> +		dsi1_int_pin: gpio10_cfg {
> +			pins = "gpio10";
> +			input-enable;
> +			bias-disable;
> +		};
> +
> +		dsi1_cbl_det_pin: gpio11_cfg {
> +			pins = "gpio11";
> +			bias-pull-down;
> +		};
> +	};
> +
> +	i2c-mux@70 {
> +		compatible = "nxp,pca9543";
> +		#address-cells = <1>;
> +
> +		#size-cells = <0>;
> +		reg = <0x70>;
> +
> +		i2c@0 {
> +			reg = <0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			anx_bridge_1: anx7625@58 {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> +				compatible = "analogix,anx7625";
> +				reg = <0x58>;
> +				interrupt-parent = <&io_expander>;
> +				interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> +				enable-gpios = <&io_expander 1 0>;
> +				reset-gpios = <&io_expander 0 0>;

Use proper defines.

> +
> +				ports {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +
> +					dsi2dp_bridge_1_in: port@0 {
> +						reg = <0>;
> +
> +						anx7625_1_in: endpoint {
> +							remote-endpoint = <&mdss0_dsi0_out>;
> +						};
> +					};
> +
> +					dsi2dp_bridge_1_out: port@1 {
> +						reg = <1>;
> +
> +						anx7625_1_out: endpoint { };
> +					};
> +				};
> +			};
> +		};
> +
> +		i2c@1 {
> +			reg = <1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			anx_bridge_2: anx7625@58 {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> +				compatible = "analogix,anx7625";
> +				reg = <0x58>;
> +				interrupt-parent = <&io_expander>;
> +				interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
> +				enable-gpios = <&io_expander 9 0>;
> +				reset-gpios = <&io_expander 8 0>;



Best regards,
Krzysztof