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From:   Kuogee Hsieh <khsieh@codeaurora.org>
To:     robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org,
        vkoul@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org,
        robh+dt@kernel.org, devicetree@vger.kernel.org
Cc:     abhinavk@codeaurora.org, aravindh@codeaurora.org,
        khsieh@codeaurora.org, freedreno@lists.freedesktop.org,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] arm64/dts/qcom/sc7180: Add Display Port dt node
Date:   Thu,  3 Jun 2021 09:09:15 -0700
Message-Id: <1622736555-15775-1-git-send-email-khsieh@codeaurora.org>
Precedence: bulk

Add DP device node on sc7180.

Changes in v2:
-- replace msm_dp with dp
-- replace dp_opp_table with opp_table

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi |  9 ++++
 arch/arm64/boot/dts/qcom/sc7180.dtsi         | 78 ++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 24d293e..40367a2 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -786,6 +786,15 @@ hp_i2c: &i2c9 {
 	status = "okay";
 };
 
+&dp {
+        status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&dp_hot_plug_det>;
+        data-lanes = <0 1>;
+        vdda-1p2-supply = <&vdda_usb_ss_dp_1p2>;
+        vdda-0p9-supply = <&vdda_usb_ss_dp_core>;
+};
+
 &pm6150_adc {
 	charger-thermistor@4f {
 		reg = <ADC5_AMUX_THM3_100K_PU>;
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 6228ba2..05a4133 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -3032,6 +3032,13 @@
 							remote-endpoint = <&dsi0_in>;
 						};
 					};
+
+					port@2 {
+						reg = <2>;
+						dpu_intf0_out: endpoint {
+							remote-endpoint = <&dp_in>;
+						};
+					};
 				};
 
 				mdp_opp_table: mdp-opp-table {
@@ -3148,6 +3155,77 @@
 
 				status = "disabled";
 			};
+
+			dp: displayport-controller@ae90000 {
+				compatible = "qcom,sc7180-dp";
+				status = "disabled";
+
+				reg = <0 0x0ae90000 0 0x1400>;
+
+				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 = <&opp_table>;
+				power-domains = <&rpmhpd SC7180_CX>;
+
+				#sound-dai-cells = <0>;
+
+				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 { };
+					};
+				};
+
+				opp_table: dp-opp-table {
+					compatible = "operating-points-v2";
+
+					opp-160000000 {
+						opp-hz = /bits/ 64 <160000000>;
+						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>;
+					};
+				};
+			};
+
+
 		};
 
 		dispcc: clock-controller@af00000 {
-- 
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