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From:   Kuogee Hsieh <khsieh@codeaurora.org>
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Subject: [PATCH v2] arm64: dts: qcom: sc7280: Add Display Port node
Date:   Mon, 30 Aug 2021 09:04:49 -0700
Message-Id: <1630339489-23172-1-git-send-email-khsieh@codeaurora.org>
Precedence: bulk

Changes in v2:
-- break this patch into 3 patches

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 88 +++++++++++++++++++++++++++++++++++-
 1 file changed, 87 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index c29226b..f224029 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -3202,6 +3202,13 @@
 							remote-endpoint = <&edp_in>;
 						};
 					};
+
+					port@2 {
+                                                reg = <2>;
+                                                dpu_intf0_out: endpoint {
+                                                        remote-endpoint = <&dp_in>;
+                                                };
+                                        };
 				};
 
 				mdp_opp_table: mdp-opp-table {
@@ -3389,6 +3396,78 @@
 					};
 				};
 			};
+
+			msm_dp: displayport-controller@ae90000 {
+				status = "disabled";
+				compatible = "qcom,sc7180-dp", "qcom,sc7280-dp";
+
+				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 = <&dp_opp_table>;
+				power-domains = <&rpmhpd SC7280_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 { };
+					};
+				};
+
+				dp_opp_table: 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 {
@@ -3398,7 +3477,8 @@
 				 <&gcc GCC_DISP_GPLL0_CLK_SRC>,
 				 <&dsi_phy 0>,
 				 <&dsi_phy 1>,
-				 <0>, <0>,
+			  	 <&dp_phy 0>,
+			  	 <&dp_phy 1>,
 				 <&msm_edp 0>,
 				 <&msm_edp 1>;
 			clock-names = "bi_tcxo", "gcc_disp_gpll0_clk",
@@ -3525,6 +3605,12 @@
                                 };
                         };
 
+			dp_hot_plug_det: dp-hot-plug-det {
+				pins = "gpio47";
+				function = "dp_hot";
+				bias-disable;
+                        };
+
 			qspi_clk: qspi-clk {
 				pins = "gpio14";
 				function = "qspi_clk";
-- 
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