arm64: dts: renesas: Add CPU topology on R-Car Gen3 SoCs

This patch adds the "cpu-map" into r8a7795/r8a7796 composed of
multi-cluster. This definition is used to parse the cpu topology.

Signed-off-by: Gaku Inami <gaku.inami.xh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 660fd54d384b5b7bcbbc0da0918aaec484f02c34..408ff4e8170a58249d9d30d941f664c8bd125279 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -116,6 +116,38 @@
                #address-cells = <1>;
                #size-cells = <0>;
 
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&a57_0>;
+                               };
+                               core1 {
+                                       cpu = <&a57_1>;
+                               };
+                               core2 {
+                                       cpu = <&a57_2>;
+                               };
+                               core3 {
+                                       cpu = <&a57_3>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&a53_0>;
+                               };
+                               core1 {
+                                       cpu = <&a53_1>;
+                               };
+                               core2 {
+                                       cpu = <&a53_2>;
+                               };
+                               core3 {
+                                       cpu = <&a53_3>;
+                               };
+                       };
+               };
+
                a57_0: cpu@0 {
                        compatible = "arm,cortex-a57", "arm,armv8";
                        reg = <0x0>;

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index 3baee26ae37252e5982ae35d191abdba7c68c615..b12bf73bb03b451b40370c279235781075ab1710 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -127,6 +127,32 @@
                #address-cells = <1>;
                #size-cells = <0>;
 
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&a57_0>;
+                               };
+                               core1 {
+                                       cpu = <&a57_1>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&a53_0>;
+                               };
+                               core1 {
+                                       cpu = <&a53_1>;
+                               };
+                               core2 {
+                                       cpu = <&a53_2>;
+                               };
+                               core3 {
+                                       cpu = <&a53_3>;
+                               };
+                       };
+               };
+
                a57_0: cpu@0 {
                        compatible = "arm,cortex-a57", "arm,armv8";
                        reg = <0x0>;