The A1 SoC family has only one thermal sensor for CPU temperature
measurement. It is required to set the TS clock rate to 500kHz to make
it workable.
Signed-off-by: Dmitry Rokosov <[email protected]>
---
arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index f65d4a77ee52..6f0d0e07e037 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -854,6 +854,18 @@ usb2_phy1: phy@4000 {
power-domains = <&pwrc PWRC_USB_ID>;
};
+ cpu_temp: temperature-sensor@4c00 {
+ compatible = "amlogic,a1-cpu-thermal",
+ "amlogic,a1-thermal";
+ reg = <0x0 0x4c00 0x0 0x50>;
+ interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkc_periphs CLKID_TS>;
+ assigned-clocks = <&clkc_periphs CLKID_TS>;
+ assigned-clock-rates = <500000>;
+ #thermal-sensor-cells = <0>;
+ amlogic,ao-secure = <&sec_AO>;
+ };
+
hwrng: rng@5118 {
compatible = "amlogic,meson-rng";
reg = <0x0 0x5118 0x0 0x4>;
--
2.43.0