Mule emulates an i2c mux (address 0x18). The amc6821 is exposed behind this bus. Add the mux node and amc6821 as a default device. Signed-off-by: Farouk Bouabid <farouk.bouabid@xxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index c08e69391c01..e7313be24c1a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -10,6 +10,7 @@ / { aliases { ethernet0 = &gmac; + i2c10 = &i2c10; mmc0 = &sdhci; }; @@ -357,10 +358,23 @@ &i2c7 { status = "okay"; clock-frequency = <400000>; - fan: fan@18 { - compatible = "ti,amc6821"; + i2c-mux@18 { + compatible = "tsd,mule-i2c-mux"; reg = <0x18>; - #cooling-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + i2c10: i2c@0 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + + fan: fan@18 { + compatible = "ti,amc6821"; + reg = <0x18>; + #cooling-cells = <2>; + }; + }; }; rtc_twi: rtc@6f { -- 2.34.1