arm64: dts: sdm845: Add CPU topology

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>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <agross@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 0d7dd5e..38124e9 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -299,6 +299,44 @@
                                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 {