Re: [PATCH v8 3/3] arm64: dts: qcom: Add base HAMOA-IOT-EVK board

[Yijie Yang <yijie.yang@oss.qualcomm.com>]

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@oss.qualcomm.com>,
>> Jie Zhang (Graphics) <quic_jiezh@quicinc.com>, Shuai Zhang (Bluetooth)
>> <quic_shuaz@quicinc.com>, and Yongxing Mou (USB DisplayPorts)
>> <quic_yongmou@quicinc.com>.
>>
>> Signed-off-by: Yijie Yang <yijie.yang@oss.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