[PATCH 17/19] arm64: dts: amlogic: A5: Add scmi-clk node

Chuan Liu via B4 Relay devnull+chuan.liu.amlogic.com at kernel.org
Tue Sep 30 02:37:30 PDT 2025


From: Chuan Liu <chuan.liu at amlogic.com>

Add scmi-clk device node information for the Amlogic A5 SoC family.

Signed-off-by: Chuan Liu <chuan.liu at amlogic.com>
---
 arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
index b1da8cbaa25a..3b0e70211268 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
@@ -48,6 +48,35 @@ pwrc: power-controller {
 			#power-domain-cells = <1>;
 		};
 	};
+
+	sram0: sram at f702a000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0xf702a000 0x0 0x100>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x0 0xf702a000 0x100>;
+
+		scmi_buf0: scmi-sram-section at 0 {
+			compatible = "arm,scmi-shmem";
+			reg = <0x0 0x100>;
+		};
+	};
+
+	firmware {
+		scmi {
+			compatible = "arm,scmi-smc";
+			arm,smc-id = <0x820000C1>;
+			shmem = <&scmi_buf0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			scmi_clk: protocol at 14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
+		};
+	};
+
 };
 
 &apb {

-- 
2.42.0





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