linux-kernel - Re: [PATCH 2/4] arm64: dts: qcom: Add support for X1E80100 Dell Latitude 7455

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Message-ID: <673898ed-bc6b-46cc-bc60-aece7c6bde59@oss.qualcomm.com>
Date: Tue, 27 May 2025 13:25:13 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Val Packett <val@...kett.cool>, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] arm64: dts: qcom: Add support for X1E80100 Dell
 Latitude 7455

On 5/25/25 11:53 AM, Val Packett wrote:
> Add a device tree for the Dell Latitude 7455 (X Elite) laptop.
> 
> Working:
> - Wi-Fi (WCN7850 hw2.0)
> - Bluetooth
> - USB Type-C x2 (with DP alt mode)
> - USB Type-A
> - USB Fingerprint reader
> - eDP Display (with brightness)
> - NVMe
> - SDHC (microSD slot)
> - Keyboard
> - Touchpad
> - Touchscreen
> - Battery
> 
> Not included:
> - Audio
> - Camera
> 
> Signed-off-by: Val Packett <val@...kett.cool>
> ---

[...]

> +&i2c3 {
> +	clock-frequency = <400000>;
> +
> +	status = "okay";
> +
> +	typec-mux@8 {
> +		compatible = "parade,ps8830";

I'd assume these are ps8833 instead, IIRC there's a pair of ID registers

[...]

> +&sdhc_2 {
> +	cd-gpios = <&tlmm 71 GPIO_ACTIVE_LOW>;
> +	pinctrl-0 = <&sdc2_default &sdc2_card_det_n>;
> +	pinctrl-1 = <&sdc2_sleep &sdc2_card_det_n>;
> +	pinctrl-names = "default", "sleep";
> +	vmmc-supply = <&vreg_l9b_2p9>;
> +	vqmmc-supply = <&vreg_l6b_1p8>;
> +	bus-width = <4>;
> +	no-sdio;
> +	no-mmc;
> +	status = "okay";

A consistent \n before 'status' would be appreciated

Konrad