Re: [PATCH 2/3] arm64: dts: qcom: monaco-monza-som: Enable USB0 DRD mode

[Krzysztof Kozlowski <krzk@kernel.org>]

On 20/05/2026 11:37, Akash Kumar wrote:
> Enable USB0 dual-role mode on monza SOM using the Cypress CYPD6129 UCSI
> controller.
> 
> Switch the controller node to I2C12, configure the required pinctrl and
> interrupt settings, and wire the USB2/USB3 endpoints for the USB-C
> connector.
> 
> Signed-off-by: Akash Kumar <akash.kumar@oss.qualcomm.com>
> ---
>  .../arm64/boot/dts/qcom/monaco-monza-som.dtsi | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/monaco-monza-som.dtsi b/arch/arm64/boot/dts/qcom/monaco-monza-som.dtsi
> index 9b5ed55939b8..8e3af6018dfc 100644
> --- a/arch/arm64/boot/dts/qcom/monaco-monza-som.dtsi
> +++ b/arch/arm64/boot/dts/qcom/monaco-monza-som.dtsi
> @@ -194,6 +194,52 @@ &iris {
>  	status = "okay";
>  };
>  
> +&i2c12 {
> +	pinctrl-0 = <&qup_i2c12_data_clk>, <&usb0_intr_state>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	typec@8 {
> +		compatible = "cypress,cypd6129";
> +		reg = <0x08>;
> +		interrupt-parent = <&tlmm>;
> +		interrupts = < 3 IRQ_TYPE_LEVEL_LOW>;
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		status = "okay";

Why do you need to enable it? Who disabled this node?

Best regards,
Krzysztof