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Message-Id: <20231203-msm8226-cpu-v1-2-d18e83340b32@z3ntu.xyz>
Date:   Sun, 03 Dec 2023 23:38:18 +0100
From:   Luca Weiss <luca@...tu.xyz>
To:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Luca Weiss <luca@...tu.xyz>,
        Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Subject: [PATCH 2/2] ARM: dts: qcom: msm8226: Add CPU and SAW/ACC nodes

From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>

Add CPU and SAW/ACC nodes to enable SMP on MSM8226.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
[luca: update some nodes to fix dtbs_check errors, reorder, cleanup]
Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 arch/arm/boot/dts/qcom/qcom-msm8226.dtsi | 91 ++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
index 8757bc0c8a0f..28abaed4dd08 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
@@ -34,6 +34,57 @@ sleep_clk: sleep_clk {
 		};
 	};
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			compatible = "arm,cortex-a7";
+			enable-method = "qcom,msm8226-smp";
+			device_type = "cpu";
+			reg = <0>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc0>;
+			qcom,saw = <&saw0>;
+		};
+
+		CPU1: cpu@1 {
+			compatible = "arm,cortex-a7";
+			enable-method = "qcom,msm8226-smp";
+			device_type = "cpu";
+			reg = <1>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc1>;
+			qcom,saw = <&saw1>;
+		};
+
+		CPU2: cpu@2 {
+			compatible = "arm,cortex-a7";
+			enable-method = "qcom,msm8226-smp";
+			device_type = "cpu";
+			reg = <2>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc2>;
+			qcom,saw = <&saw2>;
+		};
+
+		CPU3: cpu@3 {
+			compatible = "arm,cortex-a7";
+			enable-method = "qcom,msm8226-smp";
+			device_type = "cpu";
+			reg = <3>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc3>;
+			qcom,saw = <&saw3>;
+		};
+
+		L2: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			cache-unified;
+		};
+	};
+
 	firmware {
 		scm {
 			compatible = "qcom,scm-msm8226", "qcom,scm";
@@ -243,6 +294,46 @@ frame@...28000 {
 			};
 		};
 
+		acc0: power-manager@...88000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf9088000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw0: power-manager@...89000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf9089000 0x1000>;
+		};
+
+		acc1: power-manager@...98000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf9098000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw1: power-manager@...99000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf9099000 0x1000>;
+		};
+
+		acc2: power-manager@...a8000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf90a8000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw2: power-manager@...a9000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf90a9000 0x1000>;
+		};
+
+		acc3: power-manager@...b8000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf90b8000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw3: power-manager@...b9000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf90b9000 0x1000>;
+		};
+
 		sdhc_1: mmc@...24900 {
 			compatible = "qcom,msm8226-sdhci", "qcom,sdhci-msm-v4";
 			reg = <0xf9824900 0x11c>, <0xf9824000 0x800>;

-- 
2.43.0

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