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Message-ID: <744e56ac-5421-49af-832b-61142ebb681c@oss.qualcomm.com>
Date: Fri, 29 Aug 2025 08:56:55 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
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 v8 3/3] arm64: dts: qcom: Add base HAMOA-IOT-EVK board
On 2025-08-28 19:15, Dmitry Baryshkov wrote:
> On Thu, Aug 28, 2025 at 12:48:47PM +0800, Yijie Yang wrote:
>> The HAMOA-IOT-EVK is an evaluation platform for IoT products, composed of
>> the Hamoa IoT SoM and a carrier board. Together, they form a complete
>> embedded system capable of booting to UART.
>>
>> This change enables the following peripherals on the carrier board:
>> - UART
>> - On-board regulators
>> - USB Type-C mux
>> - Pinctrl
>> - Embedded USB (EUSB) repeaters
>> - NVMe
>> - pmic-glink
>> - USB DisplayPorts
>> - Bluetooth
>> - Graphic
>> - Audio
>>
>> Written in collaboration with Quill Qi (Audio) <le.qi@....qualcomm.com>,
>> Jie Zhang (Graphics) <quic_jiezh@...cinc.com>, Shuai Zhang (Bluetooth)
>> <quic_shuaz@...cinc.com>, and Yongxing Mou (USB DisplayPorts)
>> <quic_yongmou@...cinc.com>.
>>
>> Signed-off-by: Yijie Yang <yijie.yang@....qualcomm.com>
>> ---
>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>> arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 1247 ++++++++++++++++++++++++++++
>> 2 files changed, 1248 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 94a84770b080..5e19535ad63d 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_QCOM) += apq8039-t2.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8094-sony-xperia-kitakami-karin_windy.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8096-ifc6640.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += hamoa-iot-evk.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += ipq5018-rdp432-c2.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += ipq5018-tplink-archer-ax55-v1.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += ipq5332-rdp441.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
>> new file mode 100644
>> index 000000000000..b1a8380d6639
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
>> @@ -0,0 +1,1247 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "hamoa-iot-som.dtsi"
>> +
>> +/ {
>> + model = "Qualcomm Technologies, Inc. Hamoa IoT EVK";
>> + compatible = "qcom,hamoa-iot-evk", "qcom,hamoa-iot-som", "qcom,x1e80100";
>> + chassis-type = "embedded";
>> +
>> + aliases {
>> + serial0 = &uart21;
>> + serial1 = &uart14;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +
>> + pmic-glink {
>> + compatible = "qcom,x1e80100-pmic-glink",
>> + "qcom,sm8550-pmic-glink",
>> + "qcom,pmic-glink";
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + orientation-gpios = <&tlmm 121 GPIO_ACTIVE_HIGH>,
>> + <&tlmm 123 GPIO_ACTIVE_HIGH>,
>> + <&tlmm 125 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_ss0_hs_in: endpoint {
>> + remote-endpoint = <&usb_1_ss0_dwc3_hs>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> +
>> + pmic_glink_ss0_ss_in: endpoint {
>> + remote-endpoint = <&usb_1_ss0_qmpphy_out>;
>> + };
>> + };
>> +
>> + port@2 {
>> + reg = <2>;
>> +
>> + pmic_glink_ss0_sbu: endpoint {
>> + remote-endpoint = <&usb_1_ss0_sbu_mux>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + connector@1 {
>> + compatible = "usb-c-connector";
>> + reg = <1>;
>> + power-role = "dual";
>> + data-role = "dual";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>> +
>> + pmic_glink_ss1_hs_in: endpoint {
>> + remote-endpoint = <&usb_1_ss1_dwc3_hs>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> +
>> + pmic_glink_ss1_ss_in: endpoint {
>> + remote-endpoint = <&retimer_ss1_ss_out>;
>> + };
>> + };
>> +
>> + port@2 {
>> + reg = <2>;
>> +
>> + pmic_glink_ss1_con_sbu_in: endpoint {
>> + remote-endpoint = <&retimer_ss1_con_sbu_out>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + connector@2 {
>> + compatible = "usb-c-connector";
>> + reg = <2>;
>> + power-role = "dual";
>> + data-role = "dual";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>> +
>> + pmic_glink_ss2_hs_in: endpoint {
>> + remote-endpoint = <&usb_1_ss2_dwc3_hs>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> +
>> + pmic_glink_ss2_ss_in: endpoint {
>> + remote-endpoint = <&retimer_ss2_ss_out>;
>> + };
>> + };
>> +
>> + port@2 {
>> + reg = <2>;
>> +
>> + pmic_glink_ss2_con_sbu_in: endpoint {
>> + remote-endpoint = <&retimer_ss2_con_sbu_out>;
>> + };
>> + };
>> + };
>> + };
>> + };
>> +
>> + vreg_edp_3p3: regulator-edp-3p3 {
>
> Here is a list of the top-level nodes defined in this DT. Does it look
> sorted?
>
> aliases
> chosen
> pmic-glink
> regulator-edp-3p3
> sound
> regulator-vph-pwr
> regulator-nvme
> regulator-rtmr0-1p15
> regulator-rtmr0-1p8
> regulator-rtmr0-3p3
> regulator-rtmr1-1p15
> regulator-rtmr1-1p8
> regulator-rtmr1-3p3
> regulator-rtmr2-1p15
> regulator-rtmr2-1p8
> regulator-rtmr2-3p3
> regulator-wcn-3p3
> usb-1-ss0-sbu-mux
> regulator-wcn-0p95
> regulator-wcn-1p9
> regulator-wwan
> audio-codec
> wcn7850-pmu
>
I'll get them sorted.
>
--
Best Regards,
Yijie
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