linux-kernel - [PATCH 2/4] arm64: dts: qcom: sdm845: add displayport node

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Message-Id: <20220810035424.2796777-3-bjorn.andersson@linaro.org>
Date:   Tue,  9 Aug 2022 22:54:22 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] arm64: dts: qcom: sdm845: add displayport node

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Add displayport controller device node, describing DisplayPort hardware
block on SDM845.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 82 +++++++++++++++++++++++++++-
 1 file changed, 80 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index eae307a4babf..a8ba6ebc714f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -4457,13 +4457,20 @@ ports {
 
 					port@0 {
 						reg = <0>;
-						dpu_intf1_out: endpoint {
-							remote-endpoint = <&dsi0_in>;
+						dpu_intf0_out: endpoint {
+							remote-endpoint = <&dp_in>;
 						};
 					};
 
 					port@1 {
 						reg = <1>;
+						dpu_intf1_out: endpoint {
+							remote-endpoint = <&dsi0_in>;
+						};
+					};
+
+					port@2 {
+						reg = <2>;
 						dpu_intf2_out: endpoint {
 							remote-endpoint = <&dsi1_in>;
 						};
@@ -4495,6 +4502,77 @@ opp-430000000 {
 				};
 			};
 
+			mdss_dp: displayport-controller@...0000 {
+				status = "disabled";
+				compatible = "qcom,sdm845-dp";
+
+				reg = <0 0xae90000 0 0x200>,
+				      <0 0xae90200 0 0x200>,
+				      <0 0xae90400 0 0x600>,
+				      <0 0xae90a00 0 0x600>,
+				      <0 0xae91000 0 0x600>;
+
+				interrupt-parent = <&mdss>;
+				interrupts = <12>;
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
+					 <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
+					 <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
+					 <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
+				clock-names = "core_iface", "core_aux", "ctrl_link",
+					      "ctrl_link_iface", "stream_pixel";
+				#clock-cells = <1>;
+				assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
+						  <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
+				assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
+				phys = <&dp_phy>;
+				phy-names = "dp";
+
+				operating-points-v2 = <&dp_opp_table>;
+				power-domains = <&rpmhpd SDM845_CX>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					port@0 {
+						reg = <0>;
+						dp_in: endpoint {
+							remote-endpoint = <&dpu_intf0_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						dp_out: endpoint { };
+					};
+				};
+
+				dp_opp_table: dp-opp-table {
+					compatible = "operating-points-v2";
+
+					opp-162000000 {
+						opp-hz = /bits/ 64 <162000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-270000000 {
+						opp-hz = /bits/ 64 <270000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-540000000 {
+						opp-hz = /bits/ 64 <540000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-810000000 {
+						opp-hz = /bits/ 64 <810000000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+			};
+
 			dsi0: dsi@...4000 {
 				compatible = "qcom,mdss-dsi-ctrl";
 				reg = <0 0x0ae94000 0 0x400>;
-- 
2.37.1