Re: [PATCH v12 3/3] arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board

[Jie Gan <jie.gan@oss.qualcomm.com>]

On 1/14/2026 6:00 PM, 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@oss.qualcomm.com>
> Signed-off-by: Sudarshan Shetty <tessolveupstream@gmail.com>
> ---
>   arch/arm64/boot/dts/qcom/Makefile             |   4 +
>   .../qcom/talos-evk-lvds-auo,g133han01.dtso    | 131 ++++
>   arch/arm64/boot/dts/qcom/talos-evk-som.dtsi   | 616 ++++++++++++++++++
>   arch/arm64/boot/dts/qcom/talos-evk.dts        | 139 ++++
>   4 files changed, 890 insertions(+)
>   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.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 76cf0115a00a..289b651ef0c5 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -324,6 +324,10 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-mtp.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-qrd.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8750-mtp.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8750-qrd.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= talos-evk.dtb
> +talos-evk-lvds-auo,g133han01-dtbs	:= \
> +	talos-evk.dtb talos-evk-lvds-auo,g133han01.dtbo
> +dtb-$(CONFIG_ARCH_QCOM)	+= talos-evk-lvds-auo,g133han01.dtb
>   x1e001de-devkit-el2-dtbs	:= x1e001de-devkit.dtb x1-el2.dtbo
>   dtb-$(CONFIG_ARCH_QCOM)	+= x1e001de-devkit.dtb x1e001de-devkit-el2.dtb
>   x1e78100-lenovo-thinkpad-t14s-el2-dtbs	:= x1e78100-lenovo-thinkpad-t14s.dtb x1-el2.dtbo
> diff --git a/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtso b/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtso
> new file mode 100644
> index 000000000000..884df2d4f4e1
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtso
> @@ -0,0 +1,131 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&{/} {
> +	backlight: backlight {
> +		compatible = "gpio-backlight";
> +		gpios = <&tlmm 59 GPIO_ACTIVE_HIGH>,
> +			<&tlmm 115 GPIO_ACTIVE_HIGH>;
> +		default-on;
> +	};
> +
> +	panel-lvds {
> +		compatible = "auo,g133han01";
> +		power-supply = <&vreg_v3p3>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			/* LVDS A (Odd pixels) */
> +			port@0 {
> +				reg = <0>;
> +				dual-lvds-odd-pixels;
> +
> +				lvds_panel_out_a: endpoint {
> +					remote-endpoint = <&sn65dsi84_out_a>;
> +				};
> +			};
> +
> +			/* LVDS B (Even pixels) */
> +			port@1 {
> +				reg = <1>;
> +				dual-lvds-even-pixels;
> +
> +				lvds_panel_out_b: endpoint {
> +					remote-endpoint = <&sn65dsi84_out_b>;
> +				};
> +			};
> +		};
> +	};
> +
> +	vreg_v3p3: regulator-v3p3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd-3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +};
> +
> +&hdmi_connector {
> +	status = "disabled";
> +};
> +
> +&i2c1 {
> +	clock-frequency = <400000>;
> +
> +	status = "okay";
> +
> +	hdmi_bridge: bridge@3d {
> +		status = "disabled";
> +	};
> +
> +	lvds_bridge: bridge@2c {
> +		compatible = "ti,sn65dsi84";
> +		reg = <0x2c>;
> +		enable-gpios = <&tlmm 42 GPIO_ACTIVE_HIGH>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				sn65dsi84_in: endpoint {
> +					data-lanes = <1 2 3 4>;
> +					remote-endpoint = <&mdss_dsi0_out>;
> +				};
> +			};
> +
> +			port@2 {
> +				reg = <2>;
> +
> +				sn65dsi84_out_a: endpoint {
> +					data-lanes = <1 2 3 4>;
> +					remote-endpoint = <&lvds_panel_out_a>;
> +				};
> +			};
> +
> +			port@3 {
> +				reg = <3>;
> +
> +				sn65dsi84_out_b: endpoint {
> +					data-lanes = <1 2 3 4>;
> +					remote-endpoint = <&lvds_panel_out_b>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&mdss_dsi0 {
> +	vdda-supply = <&vreg_l11a>;
> +
> +	status = "okay";
> +};
> +
> +&mdss_dsi0_out {
> +	remote-endpoint = <&sn65dsi84_in>;
> +	data-lanes = <0 1 2 3>;
> +};
> +
> +&tlmm {
> +	lcd_bklt_en: lcd-bklt-en-state {
> +		pins = "gpio115";
> +		function = "gpio";
> +		bias-disable;
> +	};
> +
> +	lcd_bklt_pwm: lcd-bklt-pwm-state {
> +		pins = "gpio59";
> +		function = "gpio";
> +		bias-disable;
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
> new file mode 100644
> index 000000000000..95ed335bcb08
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
> @@ -0,0 +1,616 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include "talos.dtsi"
> +#include "pm8150.dtsi"

<...>

> +
> +&usb_1 {
> +	status = "okay";
> +};
> +
> +&usb_1_dwc3 {
> +	dr_mode = "host";
> +};
> +
> +&usb_hsphy_1 {
> +	vdd-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l12a>;
> +	vdda-phy-dpdm-supply = <&vreg_l13a>;
> +
> +	status = "okay";
> +};
> +
> +&usb_2 {
> +	status = "okay";
> +};
> +
> +&usb_2_dwc3 {
> +	dr_mode = "host";
> +};

Both usb devices have been configured to host mode, do we need adb?
The adb only work with usb peripheral mode.

Thanks,
Jie

> +
> +&usb_hsphy_2 {
> +	vdd-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l12a>;
> +	vdda-phy-dpdm-supply = <&vreg_l13a>;
> +
> +	status = "okay";
> +};
> +
> +&usb_qmpphy {
> +	vdda-phy-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l12a>;
> +
> +	status = "okay";
> +};
> +
> +&usb_qmpphy_2 {
> +	vdda-phy-supply = <&vreg_l11a>;
> +	vdda-pll-supply = <&vreg_l5a>;
> +
> +	status = "okay";
> +};
> +
> +&ufs_mem_hc {
> +	reset-gpios = <&tlmm 123 GPIO_ACTIVE_LOW>;
> +	vcc-supply = <&vreg_l17a>;
> +	vcc-max-microamp = <600000>;
> +	vccq2-supply = <&vreg_s4a>;
> +	vccq2-max-microamp = <600000>;
> +
> +	status = "okay";
> +};
> +
> +&ufs_mem_phy {
> +	vdda-phy-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l12a>;
> +
> +	status = "okay";
> +};
> +
> +&venus {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/talos-evk.dts b/arch/arm64/boot/dts/qcom/talos-evk.dts
> new file mode 100644
> index 000000000000..af100e22beee
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/talos-evk.dts
> @@ -0,0 +1,139 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +/dts-v1/;
> +
> +#include "talos-evk-som.dtsi"
> +
> +/ {
> +	model = "Qualcomm QCS615 IQ 615 EVK";
> +	compatible = "qcom,talos-evk", "qcom,qcs615", "qcom,sm6150";
> +	chassis-type = "embedded";
> +
> +	aliases {
> +		mmc1 = &sdhc_2;
> +	};
> +
> +	dp0-connector {
> +		compatible = "dp-connector";
> +		label = "DP0";
> +		type = "full-size";
> +
> +		hpd-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			dp0_connector_in: endpoint {
> +				remote-endpoint = <&mdss_dp0_out>;
> +			};
> +		};
> +	};
> +
> +	hdmi_connector: hdmi-out {
> +		compatible = "hdmi-connector";
> +		type = "d";
> +
> +		port {
> +			hdmi_con_out: endpoint {
> +			remote-endpoint = <&adv7535_out>;
> +			};
> +		};
> +	};
> +
> +	vreg_v1p8_out: regulator-v1p8-out {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg-v1p8-out";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vreg_v5p0_out>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	vreg_v3p3_out: regulator-v3p3-out {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg-v3p3-out";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vreg_v5p0_out>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	vreg_v5p0_out: regulator-v5p0-out {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg-v5p0-out";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +		/* Powered by system 20V rail (USBC_VBUS_IN) */
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	hdmi_bridge: bridge@3d {
> +		compatible = "adi,adv7535";
> +		reg = <0x3d>;
> +		avdd-supply = <&vreg_v1p8_out>;
> +		dvdd-supply = <&vreg_v1p8_out>;
> +		pvdd-supply = <&vreg_v1p8_out>;
> +		a2vdd-supply = <&vreg_v1p8_out>;
> +		v3p3-supply = <&vreg_v3p3_out>;
> +		interrupts-extended = <&tlmm 26 IRQ_TYPE_LEVEL_LOW>;
> +		adi,dsi-lanes = <4>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				adv7535_in: endpoint {
> +					remote-endpoint = <&mdss_dsi0_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +
> +				adv7535_out: endpoint {
> +					remote-endpoint = <&hdmi_con_out>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&mdss_dsi0_out {
> +	remote-endpoint = <&adv7535_in>;
> +	data-lanes = <0 1 2 3>;
> +};
> +
> +&pon_pwrkey {
> +	status = "okay";
> +};
> +
> +&pon_resin {
> +	linux,code = <KEY_VOLUMEDOWN>;
> +
> +	status = "okay";
> +};
> +
> +&sdhc_2 {
> +	pinctrl-0 = <&sdc2_state_on>;
> +	pinctrl-1 = <&sdc2_state_off>;
> +	pinctrl-names = "default", "sleep";
> +
> +	bus-width = <4>;
> +	cd-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
> +
> +	vmmc-supply = <&vreg_l10a>;
> +	vqmmc-supply = <&vreg_s4a>;
> +
> +	status = "okay";
> +};