[PATCH 3/3] arm64: dts: allwinner: a64: Add hwspinlock node

Bastian Germann bage at debian.org
Mon Feb 13 15:19:30 PST 2023


Add the hwspinlock to A64 which is already implemented for A31.

Signed-off-by: Bastian Germann <bage at debian.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 77b5349f6087..d4be8be0f2f3 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -851,6 +851,16 @@ wdt0: watchdog at 1c20ca0 {
 			clocks = <&osc24M>;
 		};
 
+		hwspinlock: hwlock at 1c18000 {
+			compatible = "allwinner,sun6i-a31-hwspinlock";
+			reg = <0x01c18000 0x1000>;
+			clocks = <&ccu CLK_BUS_SPINLOCK>;
+			clock-names = "ahb";
+			resets = <&ccu RST_BUS_SPINLOCK>;
+			reset-names = "ahb";
+			#hwlock-cells = <1>;
+		};
+
 		spdif: spdif at 1c21000 {
 			#sound-dai-cells = <0>;
 			compatible = "allwinner,sun50i-a64-spdif",
-- 
2.39.1




More information about the linux-arm-kernel mailing list