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Message-Id: <20250818-add-display-support-for-qcs615-platform-v6-1-62aad5138a78@oss.qualcomm.com>
Date: Mon, 18 Aug 2025 12:39:20 +0800
From: Fange Zhang <fange.zhang@....qualcomm.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, Li Liu <quic_lliu6@...cinc.com>,
        Fange Zhang <fange.zhang@....qualcomm.com>,
        dmitry.baryshkov@....qualcomm.com, tingwei.zhang@....qualcomm.com,
        xiangxu.yin@....qualcomm.com, Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v6 1/2] arm64: dts: qcom: Add display support for QCS615

From: Li Liu <quic_lliu6@...cinc.com>

Add display MDSS and DSI configuration for QCS615 platform.
QCS615 has a DP port, and DP support will be added in a later patch.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Li Liu <quic_lliu6@...cinc.com>
Signed-off-by: Fange Zhang <fange.zhang@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm6150.dtsi | 182 ++++++++++++++++++++++++++++++++++-
 1 file changed, 180 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm6150.dtsi b/arch/arm64/boot/dts/qcom/sm6150.dtsi
index 50cd9275e4028eb8f689eae215bf47a9e06d4cfb..8c60875b5953f031fac8557d047d1adf3883db29 100644
--- a/arch/arm64/boot/dts/qcom/sm6150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6150.dtsi
@@ -3,6 +3,7 @@
  * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
+#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
 #include <dt-bindings/clock/qcom,qcs615-camcc.h>
 #include <dt-bindings/clock/qcom,qcs615-dispcc.h>
 #include <dt-bindings/clock/qcom,qcs615-gcc.h>
@@ -3576,14 +3577,191 @@ camcc: clock-controller@...0000 {
 			#power-domain-cells = <1>;
 		};
 
+		mdss: display-subsystem@...0000 {
+			compatible = "qcom,sm6150-mdss";
+			reg = <0x0 0x0ae00000 0x0 0x1000>;
+			reg-names = "mdss";
+
+			interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
+			interconnect-names = "mdp0-mem",
+					     "cpu-cfg";
+
+			power-domains = <&dispcc MDSS_CORE_GDSC>;
+
+			clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+				 <&gcc GCC_DISP_HF_AXI_CLK>,
+				 <&dispcc DISP_CC_MDSS_MDP_CLK>;
+
+			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			iommus = <&apps_smmu 0x800 0x0>;
+
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			status = "disabled";
+
+			mdss_mdp: display-controller@...1000 {
+				compatible = "qcom,sm6150-dpu";
+				reg = <0x0 0x0ae01000 0x0 0x8f000>,
+				      <0x0 0x0aeb0000 0x0 0x2008>;
+				reg-names = "mdp",
+					    "vbif";
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&gcc GCC_DISP_HF_AXI_CLK>,
+					 <&dispcc DISP_CC_MDSS_MDP_CLK>,
+					 <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+				clock-names = "iface",
+					      "bus",
+					      "core",
+					      "vsync";
+
+				operating-points-v2 = <&mdp_opp_table>;
+				power-domains = <&rpmhpd RPMHPD_CX>;
+
+				interrupts-extended = <&mdss 0>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						dpu_intf0_out: endpoint {
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						dpu_intf1_out: endpoint {
+							remote-endpoint = <&mdss_dsi0_in>;
+						};
+					};
+				};
+
+				mdp_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-192000000 {
+						opp-hz = /bits/ 64 <192000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-256000000 {
+						opp-hz = /bits/ 64 <256000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-307200000 {
+						opp-hz = /bits/ 64 <307200000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+			};
+
+			mdss_dsi0: dsi@...4000 {
+				compatible = "qcom,sm6150-dsi-ctrl", "qcom,mdss-dsi-ctrl";
+				reg = <0x0 0x0ae94000 0x0 0x400>;
+				reg-names = "dsi_ctrl";
+
+				interrupts-extended = <&mdss 4>;
+
+				clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>,
+					 <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>,
+					 <&dispcc DISP_CC_MDSS_PCLK0_CLK>,
+					 <&dispcc DISP_CC_MDSS_ESC0_CLK>,
+					 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&gcc GCC_DISP_HF_AXI_CLK>;
+				clock-names = "byte",
+					      "byte_intf",
+					      "pixel",
+					      "core",
+					      "iface",
+					      "bus";
+
+				assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>,
+						  <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
+				assigned-clock-parents = <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>,
+							 <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>;
+
+				operating-points-v2 = <&dsi0_opp_table>;
+				power-domains = <&rpmhpd RPMHPD_CX>;
+
+				phys = <&mdss_dsi0_phy>;
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				status = "disabled";
+
+				dsi0_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-164000000 {
+						opp-hz = /bits/ 64 <164000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+				};
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						mdss_dsi0_in: endpoint {
+							remote-endpoint = <&dpu_intf1_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						mdss_dsi0_out: endpoint {
+						};
+					};
+				};
+			};
+
+			mdss_dsi0_phy: phy@...4400 {
+				compatible = "qcom,sm6150-dsi-phy-14nm";
+				reg = <0x0 0x0ae94400 0x0 0x100>,
+				      <0x0 0x0ae94500 0x0 0x300>,
+				      <0x0 0x0ae94800 0x0 0x124>;
+				reg-names = "dsi_phy",
+					    "dsi_phy_lane",
+					    "dsi_pll";
+
+				#clock-cells = <1>;
+				#phy-cells = <0>;
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&rpmhcc RPMH_CXO_CLK>;
+				clock-names = "iface",
+					      "ref";
+
+				status = "disabled";
+			};
+		};
+
 		dispcc: clock-controller@...0000 {
 			compatible = "qcom,qcs615-dispcc";
 			reg = <0 0x0af00000 0 0x20000>;
 
 			clocks = <&rpmhcc RPMH_CXO_CLK>,
 				 <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
-				 <0>,
-				 <0>,
+				 <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>,
+				 <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>,
 				 <0>,
 				 <0>,
 				 <0>;

-- 
2.34.1


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