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[01/14] arm64: dts: r8a7795: Add L2 cache-controller nodes

Message ID 7b337e61a4104d5a0abde1e733916de2208800e6.1456445161.git.horms+renesas@verge.net.au (mailing list archive)
State Accepted
Commit 7b337e61a4104d5a0abde1e733916de2208800e6
Headers show

Commit Message

Simon Horman Feb. 26, 2016, 12:07 a.m. UTC 
From: Geert Uytterhoeven <geert+renesas@glider.be>

Add device nodes for the L2 caches, and link the CPU node to its L2
cache node.

The L2 cache for the Cortex-A57 CPU cores is 2 MiB large (organized as
128 KiB x 16 ways).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm64/boot/dts/renesas/r8a7795.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 9634e3a4858e..3f00e85641a8 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -39,6 +39,7 @@ 
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x0>;
 			device_type = "cpu";
+			next-level-cache = <&L2_CA57>;
 			enable-method = "psci";
 		};
 
@@ -46,22 +47,29 @@ 
 			compatible = "arm,cortex-a57","arm,armv8";
 			reg = <0x1>;
 			device_type = "cpu";
+			next-level-cache = <&L2_CA57>;
 			enable-method = "psci";
 		};
 		a57_2: cpu@2 {
 			compatible = "arm,cortex-a57","arm,armv8";
 			reg = <0x2>;
 			device_type = "cpu";
+			next-level-cache = <&L2_CA57>;
 			enable-method = "psci";
 		};
 		a57_3: cpu@3 {
 			compatible = "arm,cortex-a57","arm,armv8";
 			reg = <0x3>;
 			device_type = "cpu";
+			next-level-cache = <&L2_CA57>;
 			enable-method = "psci";
 		};
 	};
 
+	L2_CA57: cache-controller@0 {
+		compatible = "cache";
+	};
+
 	extal_clk: extal {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;