[PATCH v5 1/1] arm64: dts: mediatek: add thermal sensor support on mt7981
From: Aleksander Jan Bajkowski <hidden>
Date: 2025-09-07 11:24:30
Also in:
linux-devicetree, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
The temperature sensor in the MT7981 is same as in the MT7986. Signed-off-by: Aleksander Jan Bajkowski <redacted> --- arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 31 ++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 5cbea9cd411f..277c11247c13 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi@@ -76,7 +76,7 @@ watchdog: watchdog@1001c000 { #reset-cells = <1>; }; - clock-controller@1001e000 { + apmixedsys: clock-controller@1001e000 { compatible = "mediatek,mt7981-apmixedsys"; reg = <0 0x1001e000 0 0x1000>; #clock-cells = <1>;
@@ -184,6 +184,31 @@ spi@1100b000 { status = "disabled"; }; + thermal@1100c800 { + compatible = "mediatek,mt7981-thermal", + "mediatek,mt7986-thermal"; + reg = <0 0x1100c800 0 0x800>; + interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&infracfg CLK_INFRA_THERM_CK>, + <&infracfg CLK_INFRA_ADC_26M_CK>; + clock-names = "therm", "auxadc"; + nvmem-cells = <&thermal_calibration>; + nvmem-cell-names = "calibration-data"; + #thermal-sensor-cells = <1>; + mediatek,auxadc = <&auxadc>; + mediatek,apmixedsys = <&apmixedsys>; + }; + + auxadc: adc@1100d000 { + compatible = "mediatek,mt7981-auxadc", + "mediatek,mt7986-auxadc"; + reg = <0 0x1100d000 0 0x1000>; + clocks = <&infracfg CLK_INFRA_ADC_26M_CK>; + clock-names = "main"; + #io-channel-cells = <1>; + status = "disabled"; + }; + pio: pinctrl@11d00000 { compatible = "mediatek,mt7981-pinctrl"; reg = <0 0x11d00000 0 0x1000>,
@@ -211,6 +236,10 @@ efuse@11f20000 { reg = <0 0x11f20000 0 0x1000>; #address-cells = <1>; #size-cells = <1>; + + thermal_calibration: thermal-calib@274 { + reg = <0x274 0xc>; + }; }; clock-controller@15000000 {
--
2.47.3