rockchip: add cpuinfo node for RK3528

Allow read SoC serial number from userspace via /proc/cpuinfo. Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
2026-03-26 17:26:42 +08:00
parent c6e2e01a2a
commit b8f4e11101
2 changed files with 16 additions and 1 deletions
@@ -0,0 +1,15 @@
+--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+@@ -91,6 +91,12 @@
+ 		};
+ 	};
+ 
+	cpuinfo {
+		compatible = "rockchip,cpuinfo";
+		nvmem-cells = <&otp_id>, <&otp_cpu_version>, <&cpu_code>;
+		nvmem-cell-names = "id", "cpu-version", "cpu-code";
+	};
+
+ 	firmware {
+ 		scmi: scmi {
+ 			compatible = "arm,scmi-smc";
@@ -1,6 +1,6 @@
 --- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
 +++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
-@@ -1363,6 +1363,16 @@
+@@ -1369,6 +1369,16 @@
 			};
 		};