linux-kernel - [PATCH v2 2/4] arm64: dts: qcom: sc7280: add display dt nodes

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Date:   Wed, 20 Oct 2021 19:28:51 +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
Subject: [PATCH v2 2/4] arm64: dts: qcom: sc7280: add display dt nodes

Add mdss and mdp DT nodes for sc7280.

Signed-off-by: Krishna Manikandan <quic_mkrishn@...cinc.com>

Changes in v2:
  - Rename display dt nodes (Stephen Boyd)
  - Add clock names one per line for readability (Stephen Boyd)
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 90 ++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index d74a4c8..4ee7f2f 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2588,6 +2588,96 @@
 			#power-domain-cells = <1>;
 		};
 
+		mdss: display-subsystem@...0000 {
+			compatible = "qcom,sc7280-mdss";
+			reg = <0 0x0ae00000 0 0x1000>;
+			reg-names = "mdss";
+
+			power-domains = <&dispcc DISP_CC_MDSS_CORE_GDSC>;
+
+			clocks = <&gcc GCC_DISP_AHB_CLK>,
+				 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+				<&dispcc DISP_CC_MDSS_MDP_CLK>;
+			clock-names = "iface",
+				      "ahb",
+				      "core";
+
+			assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>;
+			assigned-clock-rates = <300000000>;
+
+			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>;
+			interconnect-names = "mdp0-mem";
+
+			iommus = <&apps_smmu 0x900 0x402>;
+
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			status = "disabled";
+
+			mdp: display-controller@...1000 {
+				compatible = "qcom,sc7280-dpu";
+				reg = <0 0x0ae01000 0 0x8f030>,
+					<0 0x0aeb0000 0 0x2008>;
+				reg-names = "mdp", "vbif";
+
+				clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+					<&gcc GCC_DISP_SF_AXI_CLK>,
+					<&dispcc DISP_CC_MDSS_AHB_CLK>,
+					<&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+					<&dispcc DISP_CC_MDSS_MDP_CLK>,
+					<&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+				clock-names = "bus",
+					      "nrt_bus",
+					      "iface",
+					      "lut",
+					      "core",
+					      "vsync";
+				assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>,
+						<&dispcc DISP_CC_MDSS_VSYNC_CLK>,
+						<&dispcc DISP_CC_MDSS_AHB_CLK>;
+				assigned-clock-rates = <300000000>,
+							<19200000>,
+							<19200000>;
+				operating-points-v2 = <&mdp_opp_table>;
+				power-domains = <&rpmhpd SC7280_CX>;
+
+				interrupt-parent = <&mdss>;
+				interrupts = <0>;
+
+				status = "disabled";
+
+				mdp_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-200000000 {
+						opp-hz = /bits/ 64 <200000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-300000000 {
+						opp-hz = /bits/ 64 <300000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-380000000 {
+						opp-hz = /bits/ 64 <380000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-506666667 {
+						opp-hz = /bits/ 64 <506666667>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+			};
+		};
+
 		pdc: interrupt-controller@...0000 {
 			compatible = "qcom,sc7280-pdc", "qcom,pdc";
 			reg = <0 0x0b220000 0 0x30000>;
-- 
2.7.4