[v3,1/1] arm64: dts: rockchip: enable SCMI clk for RK3528 SoC

Commit Message

Chukun Pan March 7, 2025, 10 a.m. UTC

Same as RK3568, RK3528 uses SCMI clk instead of ARMCLK.
Add SCMI clk for CPU, GPU and RNG will also use it.

Signed-off-by: Chukun Pan <[e-mail]>
---
 arch/arm64/boot/dts/rockchip/rk3528.dtsi | 31 ++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 6403946e1700..e59a6eaff60c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -59,6 +59,7 @@  cpu0: cpu@0 {
 			reg = <0x0>;
 			device_type = "cpu";
 			enable-method = "psci";
+			clocks = <&scmi_clk SCMI_CLK_CPU>;
 		};
 
 		cpu1: cpu@1 {
@@ -66,6 +67,7 @@  cpu1: cpu@1 {
 			reg = <0x1>;
 			device_type = "cpu";
 			enable-method = "psci";
+			clocks = <&scmi_clk SCMI_CLK_CPU>;
 		};
 
 		cpu2: cpu@2 {
@@ -73,6 +75,7 @@  cpu2: cpu@2 {
 			reg = <0x2>;
 			device_type = "cpu";
 			enable-method = "psci";
+			clocks = <&scmi_clk SCMI_CLK_CPU>;
 		};
 
 		cpu3: cpu@3 {
@@ -80,6 +83,22 @@  cpu3: cpu@3 {
 			reg = <0x3>;
 			device_type = "cpu";
 			enable-method = "psci";
+			clocks = <&scmi_clk SCMI_CLK_CPU>;
+		};
+	};
+
+	firmware {
+		scmi: scmi {
+			compatible = "arm,scmi-smc";
+			arm,smc-id = <0x82000010>;
+			shmem = <&scmi_shmem>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			scmi_clk: protocol@14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
 		};
 	};
 
@@ -88,6 +107,18 @@  psci {
 		method = "smc";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		scmi_shmem: shmem@10f000 {
+			compatible = "arm,scmi-shmem";
+			reg = <0x0 0x0010f000 0x0 0x100>;
+			no-map;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,