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Message-ID: <5102252a-0f50-4ee9-97b4-a90859a33b2b@oss.qualcomm.com>
Date: Thu, 15 Jan 2026 10:24:55 +0800
From: Jie Gan <jie.gan@....qualcomm.com>
To: Sudarshan Shetty <tessolveupstream@...il.com>, andersson@...nel.org,
konradybcio@...nel.org
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v12 3/3] arm64: dts: qcom: talos-evk: Add support for
QCS615 talos evk board
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@....qualcomm.com>
> Signed-off-by: Sudarshan Shetty <tessolveupstream@...il.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";
> +};
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