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Subject[PATCH] arm64: dts: sdm845: Add CPU topology
Date
The 8 CPU cores of the SDM845 are organized in two clusters of 4 big
("gold") and 4 little ("silver") cores. Add a cpu-map node to the DT
that describes this topology.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 38 ++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index c27cbd3bcb0a6..f6c0d87e663f3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -192,6 +192,44 @@
next-level-cache = <&L3_0>;
};
};
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&CPU0>;
+ };
+
+ core1 {
+ cpu = <&CPU1>;
+ };
+
+ core2 {
+ cpu = <&CPU2>;
+ };
+
+ core3 {
+ cpu = <&CPU3>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&CPU4>;
+ };
+
+ core1 {
+ cpu = <&CPU5>;
+ };
+
+ core2 {
+ cpu = <&CPU6>;
+ };
+
+ core3 {
+ cpu = <&CPU7>;
+ };
+ };
+ };
};

pmu {
--
2.20.1.97.g81188d93c3-goog
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