Re: [PATCH 4/7] arm64: dts: qcom: Add Arduino Monza (VENTUNOQ) board support

[Srinivas Kandagatla]

On 3/9/26 7:37 PM, Dmitry Baryshkov wrote:
> On Mon, Mar 09, 2026 at 03:24:15PM +0000, Srinivas Kandagatla wrote:
>> From: Loic Poulain <loic.poulain@xxxxxxxxxxxxxxxx>
>>
>> Add device tree support for the Arduino VENTUNOQ board,
>> based on the Qualcomm QCS8300 (Monaco) SoC.
>>
>> The board features a Qualcomm Monza SoM and integrates various
>> peripherals, including:
>> - USB Type‑C connector with dual‑role support
>> - ADV7535 DSI‑to‑HDMI bridge
>> - MAX98091 audio codec
>> - 2.5G Ethernet PHY (HSGMII)
>> - PCIe0 (to onboard WiFi chipset and USB bridge)
>> - PCIe1 (to M2/nvme)
>> - Button (via GPIO‑keys)
>>
>> Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxxxxxxxx>
>> Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxxxxxxxx>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxxxxxxxx>
>> ---
>>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>>  .../boot/dts/qcom/monaco-arduino-monza.dts    | 446 ++++++++++++++++++
>>  2 files changed, 447 insertions(+)
>>  create mode 100644 arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 6d87be639aac..8a9093c4b534 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -47,6 +47,7 @@ lemans-evk-el2-dtbs := lemans-evk.dtb lemans-el2.dtbo
>>  dtb-$(CONFIG_ARCH_QCOM)	+= lemans-evk-el2.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= milos-fairphone-fp6.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= monaco-evk.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += monaco-arduino-monza.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8216-samsung-fortuna3g.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-acer-a1-724.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-alcatel-idol347.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>> new file mode 100644
>> index 000000000000..b6db2a7151f1
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>> @@ -0,0 +1,446 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/input/input.h>
>> +#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
>> +
>> +#include "monaco.dtsi"
>> +#include "monaco-pmics.dtsi"
>> +#include "monaco-monza-som.dtsi"
>> +
>> +/ {
>> +	model = "Arduino VENTUNOQ";
>> +	compatible = "arduino,monza", "qcom,qcs8300";
>> +
>> +	aliases {
>> +		ethernet0 = &ethernet0;
>> +		i2c1 = &i2c1;
>> +		serial0 = &uart7;
>> +	};
>> +
>> +	chosen {
>> +		stdout-path = "serial0:115200n8";
>> +	};
>> +
>> +	connector-0 {
>> +		compatible = "usb-c-connector";
>> +		label = "USB1-Type-C";
>> +		data-role = "device";
>> +		power-role = "dual";
>> +
>> +		ports {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			port@0 {
>> +				reg = <0>;
>> +
>> +				usb1_con_hs_ep: endpoint {
>> +					remote-endpoint = <&usb_1_dwc3_hs>;
>> +				};
>> +			};
>> +
>> +			port@1 {
>> +				reg = <1>;
>> +
>> +				usb1_con_ss_ep: endpoint {
>> +					remote-endpoint = <&usb_1_dwc3_ss>;
> 
> No intermediate QMP PHY, no DP support?

We are missing firmware support for this, it makes to really drop the
usb-c connector node till we get a proper firmware support for this.

> 
>> +				};
>> +			};
>> +		};
>> +	};
>> +
> 
> [...]
> 
>> +
>> +&pcie0 {
>> +	pinctrl-0 = <&pcie0_default_state>;
>> +	pinctrl-names = "default";
>> +
>> +	vddpe-3v3-supply = <&vdc_3v3>;
> 
> Is there a wired 3v3 support without an M.2 slot in play?

This is going to on board pcie packet swtich not to M.2.

> 
>> +};
>> +
>> +&pcie1 {
>> +	pinctrl-0 = <&pcie1_default_state>;
>> +	pinctrl-names = "default";
>> +
>> +	vddpe-3v3-supply = <&vreg_nvme>;
>> +};
>> +
>> +&pcieport0 {
>> +	reset-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
>> +
>> +	pci@0,0 {
>> +		#address-cells = <3>;
>> +		#size-cells = <2>;
>> +		device_type = "pci";
>> +		bus-range = <0x01 0xff>;
>> +		ranges;
>> +		reg = <0x010000 0x00 0x00 0x00 0x00>;
>> +
>> +		pci@2,0 {
>> +			#address-cells = <3>;
>> +			#size-cells = <2>;
>> +			device_type = "pci";
>> +			bus-range = <0x00 0xff>;
>> +			ranges;
>> +			reg = <0x021000 0x00 0x00 0x00 0x00>;
>> +
>> +			usb@0 {
>> +				compatible = "pci104c,8241";
>> +				reg = <0 0 0 0 0>;
>> +				ti,pwron-active-high;
>> +			};
>> +		};
>> +	};
>> +};
>> +
> 
> [..]
> 
>> +
>> +&usb_1 {
>> +	maximum-speed = "super-speed-plus";
> 
> Do you need to specify it?
It seems to work fine without it too.


/:  Bus 005.Port 001: Dev 001, Class=root_hub, Driver=xhci-hcd/1p, 10000M
    |__ Port 001: Dev 002, If 0, Class=Mass Storage, Driver=usb-storage,
10000M


> 
>> +	usb-role-switch;
> 
> This should go to the monaco.dtsi.
> 
will move it to base dtsi

--srini
>> +	wakeup-source;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_dwc3_hs {
>> +	remote-endpoint = <&usb1_con_hs_ep>;
>> +};
>> +
>> +&usb_1_dwc3_ss {
>> +	remote-endpoint = <&usb1_con_ss_ep>;
>> +};
>> +
>> +/* Internally connected to the MCU (e.g. for DFU). */
>> +&usb_2 {
>> +	dr_mode = "host";
>> +
>> +	status = "okay";
>> +};
>> -- 
>> 2.47.3
>>
>