Re: [PATCH v12 3/3] arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board
From: Konrad Dybcio
Date: Wed Jan 28 2026 - 06:59:37 EST
On 1/14/26 11:00 AM, Sudarshan Shetty wrote:
> Add the device tree for the QCS615-based Talos EVK platform. The
> platform is composed of a System-on-Module following the SMARC
> standard, and a Carrier Board.
>
> The Carrier Board supports several display configurations, HDMI and
> LVDS. Both configurations use the same base hardware, with the display
> selection controlled by a DIP switch.
>
> Use a DTBO file, talos-evk-lvds-auo,g133han01.dtso, which defines an
> overlay that disables HDMI and adds LVDS. The DTs file talos-evk
> can describe the HDMI display configurations.
>
> The initial device tree includes support for:
> - CPU and memory
> - UART
> - GPIOs
> - Regulators
> - PMIC
> - Early console
> - AT24MAC602 EEPROM
> - MCP2515 SPI to CAN
> - ADV7535 DSI-to-HDMI bridge
> - DisplayPort interface
> - SN65DSI84ZXHR DSI-to-LVDS bridge
> - Wi-Fi/BT
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> Signed-off-by: Sudarshan Shetty <tessolveupstream@xxxxxxxxx>
> ---
[...]
> + wifi_reg_en_pins_state: wifi-reg-en-pins-state {
> + pins = "gpio91";
> + function = "gpio";
> + drive-strength = <8>;
> + output-high;
> + bias-pull-up;
> + };
> +
> + wlan_en_state: wlan-en-state {
> + pins = "gpio84";
> + function = "gpio";
> + drive-strength = <16>;
> + bias-pull-down;
> + output-low;
> + };
The output-low/high properties should be unnecessary since the
drivers that requests the connected GPIOs control their state
otherwise, I think it's time to finally close in on this..
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad