linux-kernel - [PATCH v2 3/4] arm64: dts: qcom: sc7280: Add DSI display nodes

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Date:   Wed, 20 Oct 2021 19:28:52 +0530
From:   Krishna Manikandan <quic_mkrishn@...cinc.com>
To:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krishna Manikandan <quic_mkrishn@...cinc.com>,
        kalyan_t@...eaurora.org, sbillaka@...eaurora.org,
        abhinavk@...eaurora.org, robdclark@...il.com, swboyd@...omium.org,
        bjorn.andersson@...aro.org, khsieh@...eaurora.org,
        rajeevny@...eaurora.org, freedreno@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, robh+dt@...nel.org,
        Rajeev Nandan <quic_rajeevny@...cinc.com>
Subject: [PATCH v2 3/4] arm64: dts: qcom: sc7280: Add DSI display nodes

Add DSI controller and PHY nodes for sc7280.

Signed-off-by: Rajeev Nandan <quic_rajeevny@...cinc.com>
Signed-off-by: Krishna Manikandan <quic_mkrishn@...cinc.com>
Reviewed-by: Matthias Kaehlcke <mka@...omium.org>

Changes in v2:
    - Drop flags from interrupts (Stephen Boyd)
    - Rename dsi-opp-table (Stephen Boyd)
    - Rename dsi phy  node (Stephen Boyd)
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 101 +++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 4ee7f2f..dd35882 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2652,6 +2652,18 @@
 
 				status = "disabled";
 
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						dpu_intf1_out: endpoint {
+							remote-endpoint = <&dsi0_in>;
+						};
+					};
+				};
+
 				mdp_opp_table: opp-table {
 					compatible = "operating-points-v2";
 
@@ -2676,6 +2688,95 @@
 					};
 				};
 			};
+
+			dsi0: dsi@...4000 {
+				compatible = "qcom,mdss-dsi-ctrl";
+				reg = <0 0x0ae94000 0 0x400>;
+				reg-names = "dsi_ctrl";
+
+				interrupt-parent = <&mdss>;
+				interrupts = <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";
+
+				operating-points-v2 = <&dsi_opp_table>;
+				power-domains = <&rpmhpd SC7280_CX>;
+
+				phys = <&dsi_phy>;
+				phy-names = "dsi";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						dsi0_in: endpoint {
+							remote-endpoint = <&dpu_intf1_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						dsi0_out: endpoint {
+						};
+					};
+				};
+
+				dsi_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-187500000 {
+						opp-hz = /bits/ 64 <187500000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-300000000 {
+						opp-hz = /bits/ 64 <300000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-358000000 {
+						opp-hz = /bits/ 64 <358000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+				};
+			};
+
+			dsi_phy: phy@...4400 {
+				compatible = "qcom,sc7280-dsi-phy-7nm";
+				reg = <0 0x0ae94400 0 0x200>,
+				      <0 0x0ae94600 0 0x280>,
+				      <0 0x0ae94900 0 0x280>;
+				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";
+			};
 		};
 
 		pdc: interrupt-controller@...0000 {
-- 
2.7.4