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[2/5] arm64: dts: renesas: r8a7796: Add multi-cluster definition

Message ID 1519697995-6061-3-git-send-email-gaku.inami.xh@renesas.com (mailing list archive)
State Changes Requested
Delegated to: Simon Horman
Headers show

Commit Message

Gaku Inami Feb. 27, 2018, 2:19 a.m. UTC 
This patch adds the "cpu-map" for multi-cluster into r8a7796
device-tree. This definition is used to parse the cpu topology.

Signed-off-by: Gaku Inami <gaku.inami.xh@renesas.com>
---
 arch/arm64/boot/dts/renesas/r8a7796.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

Comments

Geert Uytterhoeven March 5, 2018, 10:38 a.m. UTC | #1 
On Tue, Feb 27, 2018 at 3:19 AM, Gaku Inami <gaku.inami.xh@renesas.com> wrote:
> This patch adds the "cpu-map" for multi-cluster into r8a7796
> device-tree. 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>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index f8e9313..154df9b 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -64,6 +64,32 @@ 
 		#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>;