linux-kernel - Re: [PATCH v4 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board

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Message-ID: <32e19d85-3683-4be5-9bbf-6f99ffac9563@oss.qualcomm.com>
Date: Tue, 20 Jan 2026 15:01:02 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, andersson@...nel.org,
        konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board



On 1/19/2026 9:53 PM, Konrad Dybcio wrote:
> On 1/16/26 11:41 AM, YijieYang wrote:
>> From: Yijie Yang <yijie.yang@....qualcomm.com>
>>
>> The PURWA-IOT-EVK is an evaluation platform for IoT products, composed of
>> the Purwa IoT SoM and a carrier board. Together, they form a complete
>> embedded system capable of booting to UART.
>>
>> PURWA-IOT-EVK uses the PS8833 as a retimer for USB0, unlike HAMOA-IOT-EVK.
>> Meanwhile, USB0 bypasses the SBU selector FSUSB42.
>>
>> Make the following peripherals on the carrier board enabled:
>> - UART
>> - On-board regulators
>> - USB Type-C mux
>> - Pinctrl
>> - Embedded USB (EUSB) repeaters
>> - NVMe
>> - pmic-glink
>> - USB DisplayPorts
>> - Bluetooth
>> - WLAN
>> - Audio
>> - PCIe ports for PCIe3 through PCIe6a
>> - TPM
>>
>> Signed-off-by: Yijie Yang <yijie.yang@....qualcomm.com>
>> ---
> 
> [...]
> 
> 
>> +&spi11 {
>> +	status = "okay";
>> +
>> +	tpm@0 {
>> +		compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
>> +		reg = <0>;
>> +		spi-max-frequency = <20000000>;
>> +	};
>> +};
>> +
>>   &smb2360_0 {
>>   	status = "okay";
>>   };
>> @@ -1171,16 +1217,6 @@ &smb2360_2_eusb2_repeater {
>>   	vdd3-supply = <&vreg_l8b_3p0>;
>>   };
>>   
>> -&spi11 {
>> -	status = "okay";
>> -
>> -	tpm@0 {
>> -		compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
>> -		reg = <0>;
>> -		spi-max-frequency = <20000000>;
>> -	};
>> -};
> 
> Not sure if anyone commented on this already, please keep it where
> it was (it was properly sorted in the original file), then we're just
> left with the USB changes
> 

Will update.


> Konrad

-- 
Best Regards,
Yijie