[PATCH 1/5] arm64: dts: renesas: r8a779g0: Add L3 cache controller

Geert Uytterhoeven geert+renesas at glider.be
Mon Nov 14 04:49:00 PST 2022


Describe the cache configuration for the first Cortex-A76 CPU core on
the Renesas R-Car V4H (R8A779G0) SoC.

Extracted from a larger patch in the BSP by Takeshi Kihara.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
 arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index 0ea48fa18df30b6e..ef75e2603f5ac9d9 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -23,6 +23,14 @@ a76_0: cpu at 0 {
 			reg = <0>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A779G0_PD_A1E0D0C0>;
+			next-level-cache = <&L3_CA76_0>;
+		};
+
+		L3_CA76_0: cache-controller-0 {
+			compatible = "cache";
+			power-domains = <&sysc R8A779G0_PD_A2E0D0>;
+			cache-unified;
+			cache-level = <3>;
 		};
 	};
 
-- 
2.25.1




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