[PATCH v3 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU fan node

Ronald Claveau
2026-04-17T16:37:25Z

Enable and configure i2c MCU node to get fan working on Khadas VIM4.

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
.../boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index 69d6118ba57e7..5d7f5390f3a66 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
@@ -157,6 +157,19 @@ wifi32k: wifi32k {
};
};

+&i2c_m_ao_a {
+ status = "okay";
+ pinctrl-0 = <&i2c0_ao_d_pins>;
+ pinctrl-names = "default";
+
+ khadas_mcu: system-controller@18 {
+ compatible = "khadas,vim4-mcu";
+ reg = <0x18>;
+ fan-supply = <&vcc5v>;
+ #cooling-cells = <2>;
+ };
+};
+
&pwm_ab {
status = "okay";
pinctrl-0 = <&pwm_a_pins>;

--
2.49.0