Re: [PATCH v1 1/1] arm64: dts: qcom: talos-evk: Add support for dual-channel LVDS panel

From: Konrad Dybcio

Date: Tue Oct 28 2025 - 05:25:27 EST


On 10/28/25 7:16 AM, Sudarshan Shetty wrote:
> This patch introduces a new device tree for the QCS615 Talos
> EVK platform with dual-channel LVDS display support.
>
> The new DTS file (`talos-evk-lvds.dts`) is based on the existing
> `talos-evk.dts` and extends it to enable a dual-channel LVDS display
> configuration using the TI SN65DSI84 DSI-to-LVDS bridge.
>
> where channel-A carries odd pixel and channel-B carries even pixel
> on the QCS615 talos evk platform.
>
> Signed-off-by: Sudarshan Shetty <tessolveupstream@xxxxxxxxx>
> ---

[...]

> + backlight: backlight {
> + compatible = "gpio-backlight";
> + gpios = <&tlmm 115 GPIO_ACTIVE_HIGH>;
> + default-on;
> + };
> +
> + lcd0_pwm_en {

Use hyphens instead of underscores in node names

> + compatible = "pwm-gpio";
> + gpios = <&tlmm 59 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&lcd0_bklt_pwm>;

I think your intention was to use pwm-backlight and wire this node
up to that

Konrad