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Message-ID: <sjczves57fwsxkaynczcso6h64ucqpppshh7woin5j7iwxtjjg@b6dwmnt42hn5>
Date: Wed, 4 Feb 2026 04:51:58 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Roger Shimizu <rosh@...ian.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qcs6490: Add Thundercomm AI Mini PC G1
IoT
On Sat, Jan 31, 2026 at 02:31:25AM -0800, Roger Shimizu wrote:
> Thundercomm AI MiniPC G1 IoT is single board computer with
> AI capability based on Qualcomm QCS6490 platform.
>
> This device tree is confirmed to work as below:
> - GPU
> - HDMI output port
> - PCIe M.2 port (for external Wi-Fi or 5G connectivity)
> - UART / serial console port
> - UFS
> - USB Type-C port, with Display Port
>
> Signed-off-by: Roger Shimizu <rosh@...ian.org>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> .../qcom/qcs6490-thundercomm-minipc-g1iot.dts | 1110 +++++++++++++++++
> 2 files changed, 1111 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index f80b5d9cf1e80..b2b62b3eedda4 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -145,6 +145,7 @@ qcs6490-rb3gen2-industrial-mezzanine-dtbs := qcs6490-rb3gen2.dtb qcs6490-rb3gen2
>
> dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2-industrial-mezzanine.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2-vision-mezzanine.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += qcs6490-thundercomm-minipc-g1iot.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qcs6490-thundercomm-rubikpi3.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qcs8300-ride.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qcs8550-aim300-aiot.dtb
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts
> new file mode 100644
> index 0000000000000..0886de928789e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts
> @@ -0,0 +1,1110 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2026, Roger Shimizu <rosh@...ian.org>
> + */
> +
> +/dts-v1/;
> +
> +/* PM7250B is configured to use SID8/9 */
> +#define PM7250B_SID 8
> +#define PM7250B_SID1 9
> +
> +#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
> +#include <dt-bindings/iio/qcom,spmi-adc7-pm7325.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include "kodiak.dtsi"
> +#include "pm7250b.dtsi"
> +#include "pm7325.dtsi"
> +#include "pm8350c.dtsi" /* PM7350C */
> +#include "pmk8350.dtsi" /* PMK7325 */
> +
> +/delete-node/ &adsp_mem;
> +/delete-node/ &cdsp_mem;
> +/delete-node/ &ipa_fw_mem;
> +/delete-node/ &mpss_mem;
> +/delete-node/ &remoteproc_mpss;
> +/delete-node/ &remoteproc_wpss;
> +/delete-node/ &rmtfs_mem;
> +/delete-node/ &video_mem;
> +/delete-node/ &wifi;
> +/delete-node/ &wlan_ce_mem;
> +/delete-node/ &wlan_fw_mem;
> +/delete-node/ &wpss_mem;
> +/delete-node/ &xbl_mem;
> +
> +/ {
> + model = "Thundercomm AI Mini PC G1 IoT";
> + compatible = "qcom,sc7280", "qcom,qcm6490";
> + chassis-type = "embedded";
> +
> + aliases {
> + serial0 = &uart5;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + hdmi-connector {
> + compatible = "hdmi-connector";
> + type = "a";
> +
> + port {
> + hdmi_con: endpoint {
> + remote-endpoint = <<9611_out>;
> + };
> + };
> + };
> +
> + lt9611_1v2: lt9611-vdd12-regulator {
Please be consistent, regulator-lt9611-vdd12
> + compatible = "regulator-fixed";
> + regulator-name = "LT9611_1V2";
> +
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + reserved-memory {
> + xbl_mem: xbl@...00000 {
> + reg = <0x0 0x80700000 0x0 0x100000>;
> + no-map;
> + };
> +
> + cdsp_secure_heap_mem: cdsp-secure-heap@...00000 {
> + reg = <0x0 0x81800000 0x0 0x1e00000>;
> + no-map;
> + };
> +
> + camera_mem: camera@...00000 {
> + reg = <0x0 0x84300000 0x0 0x500000>;
> + no-map;
> + };
> +
> + adsp_mem: adsp@...00000 {
> + reg = <0x0 0x86100000 0x0 0x2800000>;
> + no-map;
> + };
> +
> + cdsp_mem: cdsp@...00000 {
> + reg = <0x0 0x88900000 0x0 0x1e00000>;
> + no-map;
> + };
> +
> + video_mem: video@...00000 {
> + reg = <0x0 0x8a700000 0x0 0x700000>;
> + no-map;
> + };
> +
> + cvp_mem: cvp@...00000 {
> + reg = <0x0 0x8ae00000 0x0 0x500000>;
> + no-map;
> + };
> +
> + gpu_microcode_mem: gpu-microcode@...1a000 {
> + reg = <0x0 0x8b31a000 0x0 0x2000>;
> + no-map;
> + };
> +
> + tz_stat_mem: tz-stat@...00000 {
> + reg = <0x0 0xc0000000 0x0 0x100000>;
> + no-map;
> + };
> +
> + tags_mem: tags@...00000 {
> + reg = <0x0 0xc0100000 0x0 0x1200000>;
> + no-map;
> + };
> +
> + qtee_mem: qtee@...00000 {
> + reg = <0x0 0xc1300000 0x0 0x500000>;
> + no-map;
> + };
> +
> + trusted_apps_mem: trusted-apps@...00000 {
> + reg = <0x0 0xc1800000 0x0 0x1c00000>;
> + no-map;
> + };
> +
> + debug_vm_mem: debug-vm@...00000 {
> + reg = <0x0 0xd0600000 0x0 0x100000>;
> + no-map;
> + };
> + };
> +
> + pmic-glink {
> + compatible = "qcom,qcm6490-pmic-glink", "qcom,pmic-glink";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + orientation-gpios = <&tlmm 140 GPIO_ACTIVE_HIGH>;
> +
> + connector@0 {
> + compatible = "usb-c-connector";
> + reg = <0>;
> + power-role = "dual";
> + data-role = "dual";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + pmic_glink_hs_in: endpoint {
> + remote-endpoint = <&usb_1_dwc3_hs>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + pmic_glink_ss_in: endpoint {
> + remote-endpoint = <&redriver_usb_con_ss>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + pmic_glink_sbu_in: endpoint {
> + remote-endpoint = <&redriver_usb_con_sbu>;
> + };
> + };
> + };
> + };
> + };
> +
> + vph_pwr: regulator-vph-pwr {
> + compatible = "regulator-fixed";
> + regulator-name = "vph_pwr";
> + regulator-min-microvolt = <3700000>;
> + regulator-max-microvolt = <3700000>;
> + };
> +
> + thermal-zones {
> + sdm-skin-thermal {
> + thermal-sensors = <&pmk8350_adc_tm 3>;
> +
> + trips {
> + active-config0 {
> + temperature = <125000>;
> + hysteresis = <1000>;
> + type = "passive";
> + };
> + };
> + };
> +
> + quiet-thermal {
> + thermal-sensors = <&pmk8350_adc_tm 1>;
> +
> + trips {
> + active-config0 {
> + temperature = <125000>;
> + hysteresis = <1000>;
> + type = "passive";
> + };
> + };
> + };
> +
> + xo-thermal {
> + thermal-sensors = <&pmk8350_adc_tm 0>;
> +
> + trips {
> + active-config0 {
> + temperature = <125000>;
> + hysteresis = <1000>;
> + type = "passive";
> + };
> + };
> + };
> + };
> +
> + vdd_ntn_0p9: regulator-vdd-ntn-0p9 {
regulator < thermal
> + compatible = "regulator-fixed";
> + regulator-name = "VDD_NTN_0P9";
> + gpio = <&pm8350c_gpios 2 GPIO_ACTIVE_HIGH>;
> + regulator-min-microvolt = <899400>;
> + regulator-max-microvolt = <899400>;
> + enable-active-high;
> + pinctrl-0 = <&ntn_0p9_en>;
> + pinctrl-names = "default";
> + regulator-enable-ramp-delay = <4300>;
> + };
> +
> + vdd_ntn_1p8: regulator-vdd-ntn-1p8 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDD_NTN_1P8";
> + gpio = <&pm8350c_gpios 3 GPIO_ACTIVE_HIGH>;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + enable-active-high;
> + pinctrl-0 = <&ntn_1p8_en>;
> + pinctrl-names = "default";
> + regulator-enable-ramp-delay = <10000>;
> + };
> +};
> +
> +
> +&mdss {
> + status = "okay";
> +};
> +
> +&mdss_dp {
> + status = "okay";
> +};
> +
> +&mdss_dp_out {
> + data-lanes = <0 1>;
> + link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
> +
> + remote-endpoint = <&usb_dp_qmpphy_dp_in>;
It's already a part of kodiak.dtsi
> +};
> +
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&usb_1 {
> + dr_mode = "otg";
Default, can be dropped
> + usb-role-switch;
Please move to kodiak.dtsi
> +
> + status = "okay";
> +};
> +
> +&usb_1_dwc3_hs {
> + remote-endpoint = <&pmic_glink_hs_in>;
> +};
> +
> +&usb_1_dwc3_ss {
> + remote-endpoint = <&usb_dp_qmpphy_usb_ss_in>;
It's already in kodiak.dtsi
> +};
> +
> +&usb_1_hsphy {
> + vdda-pll-supply = <&vreg_l10c_0p88>;
> + vdda33-supply = <&vreg_l2b_3p072>;
> + vdda18-supply = <&vreg_l1c_1p8>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_qmpphy {
> + vdda-phy-supply = <&vreg_l6b_1p2>;
> + vdda-pll-supply = <&vreg_l1b_0p912>;
> +
> + status = "okay";
> +};
> +
> +&usb_dp_qmpphy_out {
> + remote-endpoint = <&redriver_phy_con_ss>;
> +};
> +
> +&usb_dp_qmpphy_usb_ss_in {
> + remote-endpoint = <&usb_1_dwc3_ss>;
Already there
> +};
> +
> +&usb_dp_qmpphy_dp_in {
> + remote-endpoint = <&mdss_dp_out>;
Already there
> +};
> +
> +&ufs_mem_hc {
> + reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
> + vcc-supply = <&vreg_l7b_2p952>;
> + vcc-max-microamp = <800000>;
> + vccq-supply = <&vreg_l9b_1p2>;
> + vccq-max-microamp = <900000>;
> + vccq2-supply = <&vreg_l9b_1p2>;
> + vccq2-max-microamp = <900000>;
> +
> + status = "okay";
> +};
> +
> +&ufs_mem_phy {
> + vdda-phy-supply = <&vreg_l10c_0p88>;
> + vdda-pll-supply = <&vreg_l6b_1p2>;
> +
> + status = "okay";
> +};
> +
> +&venus {
> + status = "okay";
> +};
--
With best wishes
Dmitry
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