[PATCH 9/9] arm64: dts: exynos: Add cpu topology information for Exynos5433 SoC
Chanwoo Choi
cw00.choi at samsung.com
Mon Jan 8 23:59:06 PST 2018
This patch adds the 'cpu-map' for the cpu topology information
of Exynos5433 which has the following two clusters.
- cluster0 contains the four LITTLE cores (cpu0-3).
- cluster1 contains the four big cores (cpu4-7).
Signed-off-by: Chanwoo Choi <cw00.choi at samsung.com>
---
arch/arm64/boot/dts/exynos/exynos5433.dtsi | 32 ++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
index 0d99ded21202..ea54022f4f44 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
@@ -27,6 +27,38 @@
#address-cells = <1>;
#size-cells = <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>;
+ };
+ };
+ };
+
cpu0: cpu at 100 {
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
--
1.9.1
More information about the linux-arm-kernel
mailing list