linux-kernel - Re: [PATCH v4] arm64: defconfig: Enable QCOMTEE module for QTEE-enabled Qualcomm SoCs

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Message-ID: <5cede166-8527-4360-a87d-ba090ad420da@oss.qualcomm.com>
Date: Thu, 29 Jan 2026 16:34:05 +1100
From: Amirreza Zarrabi <amirreza.zarrabi@....qualcomm.com>
To: Sumit Garg <sumit.garg@...nel.org>,
        Harshal Dev <harshal.dev@....qualcomm.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Andersson <bjorn.andersson@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        op-tee@...ts.trustedfirmware.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] arm64: defconfig: Enable QCOMTEE module for
 QTEE-enabled Qualcomm SoCs



On 1/16/2026 9:06 PM, Sumit Garg wrote:
> On Wed, Jan 14, 2026 at 01:49:14PM +0530, Harshal Dev wrote:
>> All Qualcomm SoCs starting from SM8650 provide access to the Qualcomm
>> Trusted Execution Environment (QTEE) through the SMCInvoke interface,
>> implemented by the QCOMTEE driver. QTEE runs in the Secure World domain
>> on ARM64 CPUs and exposes secure services to Linux running in the Normal
>> World domain.
>>
>> This change enables the QCOMTEE driver as a module to support
>> communication with QTEE.
>>
>> QCOMTEE has been tested on a Qualcomm RB3Gen2 board by loading and
>> executing a Trusted Application via tests hosted at
>> github.com/qualcomm/minkipc.
>>
>> Signed-off-by: Harshal Dev <harshal.dev@....qualcomm.com>
>> ---
>> Changes in v4:
>> - Updated the commit message as per discussion to clarify the following:
>> - Why we are enabling QCOMTEE for all arm64 boards.
>> - From which Qualcomm SoC onwards the driver is applicable.
>> - What functionality the driver provides.
>> - How the functionality has been tested and on which board.
>> - Link to v3: https://lore.kernel.org/r/20251208-qcom_qcomtee_defconfig-v3-1-b50dcf8ab45e@oss.qualcomm.com
> 
> Reviewed-by: Sumit Garg <sumit.garg@....qualcomm.com>
> 
> -Sumit
> 

Reviewed-by: Amirreza Zarrabi <amirreza.zarrabi@....qualcomm.com>

- Amir

>>
>> Changes in v3:
>> - Updated the commit message to reflect the supported Qualcomm platforms.
>> - Link to v2: https://lore.kernel.org/r/20251205-qcom_qcomtee_defconfig-v2-1-c92560b0346e@qti.qualcomm.com
>>
>> Changes in v2:
>> - Updated CONFIG_QCOMTEE flag to 'm' since QCOMTEE can be built as a module.
>> - Link to v1: https://lore.kernel.org/r/20251202-qcom_qcomtee_defconfig-v1-1-11bfe40a8ea4@oss.qualcomm.com
>> ---
>>  arch/arm64/configs/defconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
>> index cdb7d69e3b24..e952d24bef77 100644
>> --- a/arch/arm64/configs/defconfig
>> +++ b/arch/arm64/configs/defconfig
>> @@ -1789,6 +1789,7 @@ CONFIG_FPGA_MGR_ZYNQMP_FPGA=m
>>  CONFIG_FPGA_MGR_VERSAL_FPGA=m
>>  CONFIG_TEE=y
>>  CONFIG_OPTEE=y
>> +CONFIG_QCOMTEE=m
>>  CONFIG_MUX_GPIO=m
>>  CONFIG_MUX_MMIO=y
>>  CONFIG_SLIMBUS=m
>>
>> ---
>> base-commit: 47b7b5e32bb7264b51b89186043e1ada4090b558
>> change-id: 20251202-qcom_qcomtee_defconfig-8dc0fed1411b
>>
>> Best regards,
>> -- 
>> Harshal Dev <harshal.dev@....qualcomm.com>
>>