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Message-Id: <20240210-msm8226-cpu-v2-3-5d9cb4c35204@z3ntu.xyz>
Date: Sat, 10 Feb 2024 17:28:54 +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 v2 3/3] 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 | 96 ++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
index 6896318e6612..8fae6058bf58 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";
@@ -185,6 +236,11 @@ apcs: syscon@...11000 {
reg = <0xf9011000 0x1000>;
};
+ saw_l2: power-manager@...12000 {
+ compatible = "qcom,msm8226-saw2-v2.1-l2", "qcom,saw2";
+ reg = <0xf9012000 0x1000>;
+ };
+
timer@...20000 {
compatible = "arm,armv7-timer-mem";
reg = <0xf9020000 0x1000>;
@@ -243,6 +299,46 @@ 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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