[PATCH 5/8] ARM: dts: exynos: add CPU topology to Exynos5260

Krzysztof Kozlowski krzysztof.kozlowski at canonical.com
Sat Jul 31 02:24:06 PDT 2021


Describe Exynos5260 CPU topology.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>
---
 arch/arm/boot/dts/exynos5260.dtsi | 38 ++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5260.dtsi b/arch/arm/boot/dts/exynos5260.dtsi
index 973448c4ad93..52fa211525ce 100644
--- a/arch/arm/boot/dts/exynos5260.dtsi
+++ b/arch/arm/boot/dts/exynos5260.dtsi
@@ -34,42 +34,68 @@ cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu at 0 {
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&cpu0>;
+				};
+				core1 {
+					cpu = <&cpu1>;
+				};
+			};
+
+			cluster1 {
+				core0 {
+					cpu = <&cpu2>;
+				};
+				core1 {
+					cpu = <&cpu3>;
+				};
+				core2 {
+					cpu = <&cpu4>;
+				};
+				core3 {
+					cpu = <&cpu5>;
+				};
+			};
+		};
+
+		cpu0: cpu at 0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <0x0>;
 			cci-control-port = <&cci_control1>;
 		};
 
-		cpu at 1 {
+		cpu1: cpu at 1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <0x1>;
 			cci-control-port = <&cci_control1>;
 		};
 
-		cpu at 100 {
+		cpu2: cpu at 100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x100>;
 			cci-control-port = <&cci_control0>;
 		};
 
-		cpu at 101 {
+		cpu3: cpu at 101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x101>;
 			cci-control-port = <&cci_control0>;
 		};
 
-		cpu at 102 {
+		cpu4: cpu at 102 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x102>;
 			cci-control-port = <&cci_control0>;
 		};
 
-		cpu at 103 {
+		cpu5: cpu at 103 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x103>;
-- 
2.27.0




More information about the linux-arm-kernel mailing list