Re: [PATCH 3/3] arm64: dts: qcom: sm8650: Add DisplayPort device nodes

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On 08/12/2023 04:38, Bjorn Andersson wrote:
On Thu, Dec 07, 2023 at 05:37:19PM +0100, Neil Armstrong wrote:
diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
[..]
+
+			mdss_dp0: displayport-controller@af54000 {
+				compatible = "qcom,sm8650-dp";
+				reg = <0 0xaf54000 0 0x200>,
+				      <0 0xaf54200 0 0x200>,
+				      <0 0xaf55000 0 0xc00>,
+				      <0 0xaf56000 0 0x400>,
+				      <0 0xaf57000 0 0x400>;
+
+				interrupts-extended = <&mdss 12>;
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_AUX_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK>;
+				clock-names = "core_iface",
+					      "core_aux",
+					      "ctrl_link",
+					      "ctrl_link_iface",
+					      "stream_pixel";
+
+				assigned-clocks = <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
+						  <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>;
+				assigned-clock-parents = <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+							 <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+
+				operating-points-v2 = <&dp_opp_table>;
+
+				power-domains = <&rpmhpd RPMHPD_MX>;

Are you sure the DP TX block sits in MX? I'd expect this to be
RPMHPD_MMCX, and then the PHY partially in MX...

Hmm, yeah probably, will switch to MMCX


+
+				phys = <&usb_dp_qmpphy QMP_USB43DP_DP_PHY>;
+				phy-names = "dp";
+
+				#sound-dai-cells = <0>;
+
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						mdss_dp0_in: endpoint {
+							remote-endpoint = <&dpu_intf0_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						mdss_dp0_out: endpoint {
+						};
+					};
+				};
+
+				dp_opp_table: opp-table {

Is there any reason why we keep sorting 'o' after 'p' in these nodes?

No, seems it's a copy-paste issue, will fix

Thanks,
Neil


Regards,
Bjorn





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