diff mbox series

[v1,2/3] arm64: dts: amlogic: a1: introduce cpu temperature sensor

Message ID 20240328134459.18446-3-ddrokosov@salutedevices.com
State Superseded
Headers show
Series arm64: dts: amlogic: a1: introduce thermal setup | expand

Commit Message

Dmitry Rokosov March 28, 2024, 1:44 p.m. UTC 
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 <ddrokosov@salutedevices.com>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

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>;