ARM: dts: qcom: msm8226: Add CPU and SAW/ACC nodes

Add CPU and SAW/ACC nodes to enable SMP on MSM8226.
Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
[luca: update some nodes to fix dtbs_check errors, reorder, cleanup]
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240210-msm8226-cpu-v2-3-5d9cb4c35204@z3ntu.xyzSigned-off-by: Bjorn Andersson <andersson@kernel.org>

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";
@@ -185,6 +236,11 @@ apcs: syscon@f9011000 {
 			reg = <0xf9011000 0x1000>;
 		};
 
+		saw_l2: power-manager@f9012000 {
+			compatible = "qcom,msm8226-saw2-v2.1-l2", "qcom,saw2";
+			reg = <0xf9012000 0x1000>;
+		};
+
 		timer@f9020000 {
 			compatible = "arm,armv7-timer-mem";
 			reg = <0xf9020000 0x1000>;
@@ -243,6 +299,46 @@ frame@f9028000 {
 			};
 		};
 
+		acc0: power-manager@f9088000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf9088000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw0: power-manager@f9089000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf9089000 0x1000>;
+		};
+
+		acc1: power-manager@f9098000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf9098000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw1: power-manager@f9099000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf9099000 0x1000>;
+		};
+
+		acc2: power-manager@f90a8000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf90a8000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw2: power-manager@f90a9000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf90a9000 0x1000>;
+		};
+
+		acc3: power-manager@f90b8000 {
+			compatible = "qcom,kpss-acc-v2";
+			reg = <0xf90b8000 0x1000>, <0xf9008000 0x1000>;
+		};
+
+		saw3: power-manager@f90b9000 {
+			compatible = "qcom,msm8226-saw2-v2.1-cpu", "qcom,saw2";
+			reg = <0xf90b9000 0x1000>;
+		};
+
 		sdhc_1: mmc@f9824900 {
 			compatible = "qcom,msm8226-sdhci", "qcom,sdhci-msm-v4";
 			reg = <0xf9824900 0x11c>, <0xf9824000 0x800>;