* [PATCH] arm64: dts: mediatek: mt7981b: Add PMU
@ 2026-05-02 7:49 Peter Collingbourne
0 siblings, 0 replies; only message in thread
From: Peter Collingbourne @ 2026-05-02 7:49 UTC (permalink / raw)
To: Sjoerd Simons
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Matthias Brugger,
AngeloGioacchino Del Regno, devicetree, linux-kernel,
linux-arm-kernel, linux-mediatek, Peter Collingbourne
The interrupt number was taken from a downstream DTS of the similar MT7987
[1] and verified on my OpenWrt One.
Signed-off-by: Peter Collingbourne <peter@pcc.me.uk>
Link: [1] https://github.com/openwrt/openwrt/blob/e4b3d5c799aef3be20b7f6079e8e5a14b215c116/target/linux/mediatek/dts/mt7987.dtsi#L246
---
arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 4084f4dfa3e5..3c6fbb6c5333 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -38,6 +38,12 @@ oscillator-40m {
#clock-cells = <0>;
};
+ pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+ };
+
psci {
compatible = "arm,psci-1.0";
method = "smc";
--
2.54.0
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