linux-kernel - [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241127-dp_dts_qcs8300-v1-1-e3d13dec4233@quicinc.com>
Date: Wed, 27 Nov 2024 18:45:13 +0800
From: Yongxing Mou <quic_yongmou@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Ritesh Kumar <quic_riteshk@...cinc.com>,
        Yongxing Mou <quic_yongmou@...cinc.com>
Subject: [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device
 nodes

Add device tree nodes for the DPTX0 controller with their
corresponding PHYs found on Qualcomm QCS8300 SoC.

Signed-off-by: Yongxing Mou <quic_yongmou@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs8300.dtsi | 115 +++++++++++++++++++++++++++++++++-
 1 file changed, 114 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
index 1642e2863affd5af0b4f68118a47b7a74b76df95..28deba0a389641b4dddbf4505d6f44c6607aa03b 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
@@ -987,6 +987,19 @@ mdss_mdp: display-controller@...1000 {
 				interrupt-parent = <&mdss>;
 				interrupts = <0>;
 
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						dpu_intf0_out: endpoint {
+							remote-endpoint = <&mdss_dp0_in>;
+						};
+					};
+				};
+
 				mdp_opp_table: opp-table {
 					compatible = "operating-points-v2";
 
@@ -1011,6 +1024,104 @@ opp-650000000 {
 					};
 				};
 			};
+
+			mdss_dp0_phy: phy@...2a00 {
+				compatible = "qcom,qcs8300-edp-phy";
+
+				reg = <0x0 0x0aec2a00 0x0 0x200>,
+				      <0x0 0x0aec2200 0x0 0xd0>,
+				      <0x0 0x0aec2600 0x0 0xd0>,
+				      <0x0 0x0aec2000 0x0 0x1c8>;
+
+				clocks = <&dispcc MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
+					 <&dispcc MDSS_DISP_CC_MDSS_AHB_CLK>;
+				clock-names = "aux",
+					      "cfg_ahb";
+
+				#clock-cells = <1>;
+				#phy-cells = <0>;
+
+				status = "disabled";
+			};
+
+			mdss_dp0: displayport-controller@...4000 {
+				compatible = "qcom,qcs8300-dp";
+
+				reg = <0x0 0x0af54000 0x0 0x104>,
+				      <0x0 0x0af54200 0x0 0x0c0>,
+				      <0x0 0x0af55000 0x0 0x770>,
+				      <0x0 0x0af56000 0x0 0x09c>;
+
+				interrupt-parent = <&mdss>;
+				interrupts = <12>;
+
+				clocks = <&dispcc MDSS_DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
+					 <&dispcc MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK>,
+					 <&dispcc MDSS_DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
+					 <&dispcc MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK>;
+				clock-names = "core_iface",
+					      "core_aux",
+					      "ctrl_link",
+					      "ctrl_link_iface",
+					      "stream_pixel";
+				assigned-clocks = <&dispcc MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
+						  <&dispcc MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>;
+				assigned-clock-parents = <&mdss_dp0_phy 0>,
+							 <&mdss_dp0_phy 1>;
+				phys = <&mdss_dp0_phy>;
+				phy-names = "dp";
+
+				operating-points-v2 = <&dp_opp_table>;
+				power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+				#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 {
+					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@...0000 {
@@ -1020,7 +1131,9 @@ dispcc: clock-controller@...0000 {
 				 <&rpmhcc RPMH_CXO_CLK>,
 				 <&rpmhcc RPMH_CXO_CLK_A>,
 				 <&sleep_clk>,
-				 <0>, <0>, <0>, <0>,
+				 <&mdss_dp0_phy 0>,
+				 <&mdss_dp0_phy 1>,
+				 <0>, <0>,
 				 <0>, <0>, <0>, <0>;
 			power-domains = <&rpmhpd RPMHPD_MMCX>;
 			#clock-cells = <1>;

-- 
2.34.1