Re: [PATCH v13 3/3] arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board

[Dmitry Baryshkov]

On Wed, Feb 11, 2026 at 09:55:34AM +0530, 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.
> 
> According to the hardware design and vendor guidance, the WiFi PA
> supplies VDD_PA_A and VDD_PA_B only need to be enabled at the same time
> as asserting WLAN_EN.
> 
> On this platform, WiFi enablement is controlled via the WLAN_EN GPIO
> (GPIO84), which also drives the VDD_PA_A and VDD_PA_B power enables.
> Remove the VDD_PA_A and VDD_PA_B regulator nodes from the device tree
> and rely on WLAN_EN to enable WiFi functionality.
> 
> 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>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
> Signed-off-by: Sudarshan Shetty <tessolveupstream@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |   6 +
>  arch/arm64/boot/dts/qcom/qcs615-ride.dts      |   4 +-
>  .../qcom/talos-evk-lvds-auo,g133han01.dtso    | 131 ++++
>  arch/arm64/boot/dts/qcom/talos-evk-som.dtsi   | 609 ++++++++++++++++++
>  .../dts/qcom/talos-evk-usb1-peripheral.dtso   |  10 +
>  arch/arm64/boot/dts/qcom/talos-evk.dts        | 139 ++++
>  arch/arm64/boot/dts/qcom/talos.dtsi           |   8 +-
>  7 files changed, 901 insertions(+), 6 deletions(-)
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtso
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk-usb1-peripheral.dtso
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> index 0ca6b50a6de1..a5f763cf1a55 100644
> --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> @@ -609,7 +609,7 @@ bluetooth {
>  	};
>  };
>  
> -&usb_hsphy_1 {
> +&usb_1_hsphy {
>  	vdd-supply = <&vreg_l5a>;
>  	vdda-pll-supply = <&vreg_l12a>;
>  	vdda-phy-dpdm-supply = <&vreg_l13a>;
> @@ -632,7 +632,7 @@ &usb_1_dwc3 {
>  	dr_mode = "peripheral";
>  };
>  
> -&usb_hsphy_2 {
> +&usb_2_hsphy {
>  	vdd-supply = <&vreg_l5a>;
>  	vdda-pll-supply = <&vreg_l12a>;
>  	vdda-phy-dpdm-supply = <&vreg_l13a>;

Wait... What is going on? This is supposed to be a part of the previous
patch!


> diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
> index c7dc507a50b5..cb32bfe732fb 100644
> --- a/arch/arm64/boot/dts/qcom/talos.dtsi
> +++ b/arch/arm64/boot/dts/qcom/talos.dtsi
> @@ -4304,7 +4304,7 @@ osm_l3: interconnect@18321000 {
>  			#interconnect-cells = <1>;
>  		};
>  
> -		usb_hsphy_1: phy@88e2000 {
> +		usb_1_hsphy: phy@88e2000 {
>  			compatible = "qcom,qcs615-qusb2-phy";
>  			reg = <0x0 0x88e2000 0x0 0x180>;
>  
> @@ -4319,7 +4319,7 @@ usb_hsphy_1: phy@88e2000 {
>  			status = "disabled";
>  		};
>  
> -		usb_hsphy_2: phy@88e3000 {
> +		usb_2_hsphy: phy@88e3000 {
>  			compatible = "qcom,qcs615-qusb2-phy";
>  			reg = <0x0 0x088e3000 0x0 0x180>;
>  
> @@ -4412,7 +4412,7 @@ usb_1_dwc3: usb@a600000 {
>  				iommus = <&apps_smmu 0x140 0x0>;
>  				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
>  
> -				phys = <&usb_hsphy_1>, <&usb_qmpphy>;
> +				phys = <&usb_1_hsphy>, <&usb_qmpphy>;
>  				phy-names = "usb2-phy", "usb3-phy";
>  
>  				snps,dis-u1-entry-quirk;
> @@ -4476,7 +4476,7 @@ usb_2_dwc3: usb@a800000 {
>  				iommus = <&apps_smmu 0xe0 0x0>;
>  				interrupts = <GIC_SPI 664 IRQ_TYPE_LEVEL_HIGH>;
>  
> -				phys = <&usb_hsphy_2>;
> +				phys = <&usb_2_hsphy>;
>  				phy-names = "usb2-phy";
>  
>  				snps,dis_u2_susphy_quirk;

... And this.

-- 
With best wishes
Dmitry