linux-kernel - [PATCH v3 5/5] arm64: dts: qcom: sa8775p: add display dt nodes for MDSS0 and DPU

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Message-Id: <20241001-patchv3_1-v3-5-d23284f45977@quicinc.com>
Date: Tue, 01 Oct 2024 12:11:40 +0530
From: Mahadevan via B4 Relay <devnull+quic_mahap.quicinc.com@...nel.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Mahadevan <quic_mahap@...cinc.com>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Kalyan Thota <quic_kalyant@...cinc.com>, 
 Jayaprakash Madisetty <quic_jmadiset@...cinc.com>, 
 linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/5] arm64: dts: qcom: sa8775p: add display dt nodes for
 MDSS0 and DPU

From: Mahadevan <quic_mahap@...cinc.com>

Add devicetree changes to enable MDSS0 display-subsystem its
display-controller(DPU) for Qualcomm SA8775P platform.

Signed-off-by: Mahadevan <quic_mahap@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 89 +++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 8fd68a8aa916e6595134b470f87b18b509178a51..66bd5e1c82a426f93097dee63a69c03527f04b3e 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/clock/qcom,sa8775p-dispcc.h>
 #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
 #include <dt-bindings/clock/qcom,sa8775p-gpucc.h>
 #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
@@ -2937,6 +2938,94 @@ camcc: clock-controller@...0000 {
 			#power-domain-cells = <1>;
 		};
 
+		mdss0: display-subsystem@...0000 {
+			compatible = "qcom,sa8775p-mdss";
+			reg = <0x0 0x0ae00000 0x0 0x1000>;
+			reg-names = "mdss";
+
+			/* same path used twice */
+			interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ACTIVE_ONLY
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>,
+					<&mmss_noc MASTER_MDP1 QCOM_ICC_TAG_ACTIVE_ONLY
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
+			interconnect-names = "mdp0-mem",
+					     "mdp1-mem",
+					     "cpu-cfg";
+
+			resets = <&dispcc0 MDSS_DISP_CC_MDSS_CORE_BCR>;
+
+			power-domains = <&dispcc0 MDSS_DISP_CC_MDSS_CORE_GDSC>;
+
+			clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
+				 <&gcc GCC_DISP_HF_AXI_CLK>,
+				 <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>;
+
+			interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			iommus = <&apps_smmu 0x1000 0x402>;
+
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			status = "disabled";
+
+			mdss0_mdp: display-controller@...1000 {
+				compatible = "qcom,sa8775p-dpu";
+				reg = <0x0 0x0ae01000 0x0 0x8f000>,
+				      <0x0 0x0aeb0000 0x0 0x2008>;
+				reg-names = "mdp", "vbif";
+
+				clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+					 <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc0 MDSS_DISP_CC_MDSS_MDP_LUT_CLK>,
+					 <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>,
+					 <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
+				clock-names = "bus",
+					      "iface",
+					      "lut",
+					      "core",
+					      "vsync";
+
+				assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
+				assigned-clock-rates = <19200000>;
+
+				operating-points-v2 = <&mdss0_mdp_opp_table>;
+				power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+				interrupt-parent = <&mdss0>;
+				interrupts = <0>;
+
+				mdss0_mdp_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-375000000 {
+						opp-hz = /bits/ 64 <375000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-500000000 {
+						opp-hz = /bits/ 64 <500000000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+
+					opp-575000000 {
+						opp-hz = /bits/ 64 <575000000>;
+						required-opps = <&rpmhpd_opp_turbo>;
+					};
+
+					opp-650000000 {
+						opp-hz = /bits/ 64 <650000000>;
+						required-opps = <&rpmhpd_opp_turbo_l1>;
+					};
+				};
+			};
+		};
+
 		dispcc0: clock-controller@...0000 {
 			compatible = "qcom,sa8775p-dispcc0";
 			reg = <0x0 0x0af00000 0x0 0x20000>;

-- 
2.34.1