Re: [PATCH 2/3] arm64: dts: qcom: glymur: Add Asus Zenbook A14 (UX3407NA)

From: Konrad Dybcio

Date: Tue Jun 23 2026 - 03:07:00 EST


On 6/23/26 3:31 AM, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxxxx>
>
> UX3407NA is a variant of the Asus Zenbook A14 built on the Qualcomm
> Glymur platform. It comes with an 18-core X2 Elite SoC, 32GB DDR, and
> the other typical Glymur platform capabilities.
>
> The Asus Zenbook uses &pcie3b for NVMe storage, the screen is WUXGA
> OLED, it has two USB Type-C ports, one USB Type-A, and one HDMI port.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxxxx>
> ---

[...]

> +/ {
> + compatible = "asus,zenbook-a14-ux3407na", "qcom,glymur";
> + model = "ASUS Zenbook A14 (UX3407NA)";

unusual order!

> +
> + aliases {
> + i2c0 = &i2c0;
> + i2c8 = &i2c8;
> + i2c10 = &i2c10;
> + i2c19 = &i2c19;
> + serial0 = &uart14;
> + };
> +
> + chosen {
> + };

Do we need this node?

[...]

> +&i2c10 {
> + clock-frequency = <400000>;
> +
> + status = "okay";
> +
> + hid@17 {

We've already got touchscreen, touchpad, the keyboard's below - what's
this one?

[...]

> +&tlmm {
> + gpio-reserved-ranges = <4 4>, /* EC Secure */
> + <10 2>, /* OOB UART */
> + <44 4>, /* TPM */
> + <90 2>; /* TPM */

Is there no EC reset pin? I wouldn't want others to have to open up
a laptop after trying to find out what it does..

[...]

> + ts_default: ts-default-state {
> + reset-n-pins {
> + pins = "gpio48";
> + function = "gpio";
> + bias-disable;
> + output-high;

You can drop this property

[...]

> +&uart21 {
> + status = "disabled";

hm?

Konrad