linux-kernel - [PATCH 12/15] arm64: dts: qcom: msm8994: Add OCMEM node

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Date:   Sat, 19 Mar 2022 18:46:42 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 12/15] arm64: dts: qcom: msm8994: Add OCMEM node

Add OCMEM node to allow for GPU SRAM access.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/msm8992.dtsi |  8 ++++++++
 arch/arm64/boot/dts/qcom/msm8994.dtsi | 17 +++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 1de1d9c4643d..92c1f87d6bba 100644
--- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -24,6 +24,14 @@ &mmcc {
 			       <800000000>;
 };
 
+&ocmem {
+	reg = <0xfdd00000 0x2000>, <0xfec00000 0x100000>;
+
+	gmu-sram@0 {
+		reg = <0x0 0x80000>;
+	};
+};
+
 &rpmcc {
 	compatible = "qcom,rpmcc-msm8992";
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8994.dtsi b/arch/arm64/boot/dts/qcom/msm8994.dtsi
index a2210cf9d0b4..2f531e93f3c6 100644
--- a/arch/arm64/boot/dts/qcom/msm8994.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994.dtsi
@@ -1052,6 +1052,23 @@ mmcc: clock-controller@...c0000 {
 					       <960000000>,
 					       <600000000>;
 		};
+
+		ocmem: ocmem@...00000 {
+			compatible = "qcom,msm8974-ocmem";
+			reg = <0xfdd00000 0x2000>,
+			      <0xfec00000 0x200000>;
+			reg-names = "ctrl", "mem";
+			clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
+				 <&mmcc OCMEMCX_OCMEMNOC_CLK>;
+			clock-names = "core", "iface";
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			gmu_sram: gmu-sram@0 {
+				reg = <0x0 0x180000>;
+			};
+		};
 	};
 
 	timer: timer {
-- 
2.35.1