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Date: Wed, 25 Aug 2021 16:06:58 +0530
From: Rajendra Nayak <rnayak@...eaurora.org>
To: agross@...nel.org, bjorn.andersson@...aro.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, dianders@...omium.org,
swboyd@...omium.org, Rajendra Nayak <rnayak@...eaurora.org>
Subject: [PATCH] arm64: dts: qcom: sc7280: Define CPU topology
sc7280 has 8 big.LITTLE CPUs setup with DynamIQ, so all cores are
within the same CPU cluster. Add cpu-map to define the CPU topology.
Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 53a21d0..05bf748 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -219,6 +219,42 @@
};
};
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&CPU0>;
+ };
+
+ core1 {
+ cpu = <&CPU1>;
+ };
+
+ core2 {
+ cpu = <&CPU2>;
+ };
+
+ core3 {
+ cpu = <&CPU3>;
+ };
+
+ core4 {
+ cpu = <&CPU4>;
+ };
+
+ core5 {
+ cpu = <&CPU5>;
+ };
+
+ core6 {
+ cpu = <&CPU6>;
+ };
+
+ core7 {
+ cpu = <&CPU7>;
+ };
+ };
+ };
+
idle-states {
entry-method = "psci";
--
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