From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> This interface is normally driven by userspace on the IOT2050. Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> --- arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index 53bd296ba310..bc77ba58d8f9 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -1180,6 +1180,12 @@ &mcu_spi0 { #address-cells = <1>; #size-cells = <0>; ti,pindir-d0-out-d1-in; + + spidev@0 { + compatible = "siemens,iot2050-arduino-spi"; + spi-max-frequency = <20000000>; + reg = <0>; + }; }; &tscadc1 { -- 2.35.3