Re: [PATCH v6 2/2] arm64: dts: qcom: Add display support for QCS615 RIDE board

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On 8/24/2025 11:15 AM, Bjorn Andersson wrote:
On Mon, Aug 18, 2025 at 12:39:21PM +0800, Fange Zhang wrote:
From: Li Liu <quic_lliu6@xxxxxxxxxxx>

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.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Signed-off-by: Li Liu <quic_lliu6@xxxxxxxxxxx>
Signed-off-by: Fange Zhang <fange.zhang@xxxxxxxxxxxxxxxx>

Running dtb checker after applying your patch gives me the following:
$ make qcom/qcs615-ride.dtb CHECK_DTBS=1
   UPD     include/config/kernel.release
   HOSTCC  scripts/basic/fixdep
   SCHEMA  Documentation/devicetree/bindings/processed-schema.json
Documentation/devicetree/bindings/net/snps,dwmac.yaml: mac-mode: missing type definition
Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml: ti,rx-gain-reduction-db: missing type definition
Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml: fsl,phy-pcs-tx-deemph-3p5db-attenuation-db: missing type definition
   DTC [C] arch/arm64/boot/dts/qcom/qcs615-ride.dtb
arch/arm64/boot/dts/qcom/qcs615-ride.dtb: clock-controller@100000: 'clock-names' is a required property
         from schema $id: http://devicetree.org/schemas/clock/qcom,qcs615-gcc.yaml#

Taniya is looking at this one.

Got it. Since the patch appears to be accepted, should I still wait for mm clk version 7?
https://patchwork.kernel.org/project/linux-arm-msm/patch/20250814-qcs615-mm-cpu-dt-v6-v6-1-a06f69928ab5@xxxxxxxxxxxxxxxx/


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: gpio@3e: $nodename:0: 'gpio@3e' does not match '^(pinctrl|pinmux)(@[0-9a-f]+)?$'
         from schema $id: http://devicetree.org/schemas/pinctrl/semtech,sx1501q.yaml#

This is from your patch.

got it, will change "gpio@3e" to "pinctrl@3e"


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: bridge@58: 'vdd10-supply' is a required property
         from schema $id: http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#

This is from your patch.

got it, will add this part like https://lore.kernel.org/all/20250604071851.1438612-3-quic_amakhija@xxxxxxxxxxx/

@@ -51,6 +51,64 @@ dp_dsi0_connector_in: endpoint {
};
};

+       vreg_12p0: vreg-12p0-regulator {=
...
@@ -338,7 +396,9 @@ bridge@58 {
interrupts-extended = <&io_expander 0 IRQ_TYPE_EDGE_FALLING>;
                                enable-gpios = <&tlmm 4 GPIO_ACTIVE_HIGH>;
                                reset-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>;
-                               wakeup-source;
+                               vdd10-supply = <&vreg_1p0>;
+                               vdd18-supply = <&vreg_1p8>;
+                               vdd33-supply = <&vreg_3p0>;


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: bridge@58: 'vdd18-supply' is a required property
         from schema $id: http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#

This is from your patch.

same as above


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: bridge@58: 'vdd33-supply' is a required property
         from schema $id: http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#

This is from your patch.

same as above


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: bridge@58: 'wakeup-source' does not match any of the regexes: 'pinctrl-[0-9]+'
         from schema $id: http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#

This is from your patch.

will remove it


arch/arm64/boot/dts/qcom/qcs615-ride.dtb: phy@ae94400: Unevaluated properties are not allowed ('vdds-supply' was unexpected)
         from schema $id: http://devicetree.org/schemas/display/msm/dsi-phy-14nm.yaml#

This is from your patch.

will change "vdds-supply" to "vcca-supply"



Am I missing something? Is there any reason why these 6 new errors
should be added?

Sorry, I missed those parts earlier. I've re-tested and confirmed the changes. The patch can pass after refine. Would it be appropriate to send v7 now, or should I wait until the mm clk v7 is ready?


Regards,
Bjorn

---
  arch/arm64/boot/dts/qcom/qcs615-ride.dts | 90 ++++++++++++++++++++++++++++++++
  1 file changed, 90 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
index 59582d3dc4c49828ef4a0d22a1cbaba715c7ce8c..39c757b66f47579d9bc7cc5c4d703f7af4434df4 100644
--- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
@@ -39,6 +39,18 @@ xo_board_clk: xo-board-clk {
  		};
  	};
+ dp-dsi0-connector {
+		compatible = "dp-connector";
+		label = "DSI0";
+		type = "mini";
+
+		port {
+			dp_dsi0_connector_in: endpoint {
+				remote-endpoint = <&dsi2dp_bridge_out>;
+			};
+		};
+	};
+
  	vreg_conn_1p8: regulator-conn-1p8 {
  		compatible = "regulator-fixed";
  		regulator-name = "vreg_conn_1p8";
@@ -294,6 +306,84 @@ &gcc {
  		 <&sleep_clk>;
  };
+&i2c2 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	io_expander: gpio@3e {
+		compatible = "semtech,sx1509q";
+		reg = <0x3e>;
+		interrupts-extended = <&tlmm 58 IRQ_TYPE_EDGE_FALLING>;
+		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>;
+
+			bridge@58 {
+				compatible = "analogix,anx7625";
+				reg = <0x58>;
+				interrupts-extended = <&io_expander 0 IRQ_TYPE_EDGE_FALLING>;
+				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>;
+
+						dsi2dp_bridge_in: endpoint {
+							remote-endpoint = <&mdss_dsi0_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						dsi2dp_bridge_out: endpoint {
+							remote-endpoint = <&dp_dsi0_connector_in>;
+						};
+					};
+				};
+			};
+		};
+	};
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vreg_l11a>;
+	status = "okay";
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&dsi2dp_bridge_in>;
+	data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi0_phy {
+	vdds-supply = <&vreg_l5a>;
+	status = "okay";
+};
+
  &pcie {
  	perst-gpios = <&tlmm 101 GPIO_ACTIVE_LOW>;
  	wake-gpios = <&tlmm 100 GPIO_ACTIVE_HIGH>;

--
2.34.1






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