linux-kernel - Re: [PATCH 4/4] arm64: dts: qcom: x1e80100-hp-x14: dt for HP Omnibook X Laptop 14

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Message-ID: <0b4db909-6029-40e6-8e1d-a7ecdc731b25@quicinc.com>
Date: Sun, 24 Nov 2024 21:24:22 +0530
From: Krishna Kurapati <quic_kriskura@...cinc.com>
To: <jens.glathe@...schoolsolutions.biz>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        "Douglas
 Anderson" <dianders@...omium.org>,
        Neil Armstrong
	<neil.armstrong@...aro.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Kalle Valo
	<kvalo@...nel.org>, "David Airlie" <airlied@...il.com>,
        Conor Dooley
	<conor+dt@...nel.org>, Simona Vetter <simona@...ll.ch>,
        Thomas Zimmermann
	<tzimmermann@...e.de>,
        Maxime Ripard <mripard@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 4/4] arm64: dts: qcom: x1e80100-hp-x14: dt for HP Omnibook
 X Laptop 14



On 11/24/2024 6:50 PM, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> 
> Introduce device tree for the HP Omnibook X Laptop 14-fe0750ng
> (hp-omnibook-x14). It is a Laptop based on the Qualcomm Snapdragon
> X Elite SoC. There seem to be other SKUs, some with Wifi-7 (WCN7850)
> instead of Wifi-6E (WCN6855). This dt explicitly supports WCN6855,
> I haven't found a good way yet to describe both.
> 
> PDF link: https://www8.hp.com/h20195/V2/GetPDF.aspx/c08989140
> 
> Supported features:
> 
> - Keyboard (no function keys though)
> - Display
> - PWM brightness control (works via brightnessctl)
> - Touchpad
> - Touchscreen
> - PCIe ports (pcie4, pcie6a)
> - USB type-c, type-a
> - WCN6855 Wifi-6E
> - WCN6855 Bluetooth
> - ADSP and CDSP
> - X1 GPU
> - GPIO Keys (Lid switch)
> - Audio definition (works via USB)
> 
> Signed-off-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>

[...]

> +
> +&usb_mp {
> +	status = "okay";
> +};
> +
> +&usb_mp_dwc3 {
> +	phys = <&usb_mp_hsphy0>;
> +	phy-names = "usb2-0";
> +};
> +
> +&usb_mp_hsphy0 {
> +	vdd-supply = <&vreg_l2e_0p8>;
> +	vdda12-supply = <&vreg_l3e_1p2>;
> +
> +	phys = <&eusb3_repeater>;
> +
> +	status = "okay";
> +};
> +
> +&usb_mp_qmpphy0 {
> +	vdda-phy-supply = <&vreg_l3e_1p2>;
> +	vdda-pll-supply = <&vreg_l3c_0p8>;
> +
> +	status = "okay";
> +};
> 

The above QMP MP PHy is unused in the above DWC3 node. If the port is 
only HS capable, please don't enable the QMP node.

Regarfds,
Krishna,