From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 907091519A0; Thu, 14 Aug 2025 09:05:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755162359; cv=none; b=nwmRwtf8YUgGCrwI+SjQ30cRw7mn2+2CoqaXzfZBjOfipLLnR42+4ESe1FDKnnR8Ue985dR4gJsKjm+qF9WuVqDJ7i4XrzkQKIzxIx6ZdNm7OUQJP4l+XuKvn0WiiGT/ok/MVJTnHhmiUm+SeFoAbUreu0mkm6YOqRztbpoyGPM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755162359; c=relaxed/simple; bh=LUbywY3YfDTNoHHV4qnd2fVcqpFN++L9SJu6sAi7hzI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=BcTHSbJUiEYcboZ4404JYynna0/cuZH46z9zS4+elqVEzuC8DeHBICyLQoYwNSUiItDWaHwvW+Gnf0EA/yTs0Luns9M6LmvVBgNtfFnqlRP9/V21COWZBvJfnEBYNvUYD8HJywOu0fXmXW8Nn1A+koMyS5M17V1N9at2dd7VpDA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=swuCJtvD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="swuCJtvD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9D20C4CEED; Thu, 14 Aug 2025 09:05:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755162359; bh=LUbywY3YfDTNoHHV4qnd2fVcqpFN++L9SJu6sAi7hzI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=swuCJtvDHsR5tQ6+flBNcT70kRUDzg1qTznk67efEWozjfC8CFoO0E4K+NsaeS/1m ZgAHghtb4348tL2YKFHSeDat2KnN22d4ZbpPoS2t3cHmIuZ6aagyMDmjqJDG9TADSd tt0Z7EVnNj3NJfdCsu9MgKgGSI4BUfHELjEkUv8nMKnsGdQEyISsbZtan7xqEkfMTG /zwBNDG64TN8wFRu9d+z2cv1P7zre8Wq2r+B3eISlukw6/gciafAZ62GCDbVGERdE1 nsE8tMSYGtgkF+IsksX/a+g143KpTpx9uH14T7LMojLhLgEvxlkblwkzNskQU211Xp 9HQqMa4rKqw9A== Message-ID: <63ecde5c-8234-4630-97e8-5806b9ff3eea@kernel.org> Date: Thu, 14 Aug 2025 11:05:53 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 0/3] Initial support for Qualcomm Hamoa IOT EVK board To: Yijie Yang , Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Konrad Dybcio , Yingying Tang , Shuai Zhang , Yongxing Mou References: <20250814-hamoa_initial-v5-0-817a9c6e8d47@oss.qualcomm.com> <5reeryefhw7burzf2lymhg5wivaq2n4gq5hszvfp57dergvpyx@qehaf334gdrn> <7e5d39e0-115e-40be-b44f-0195a4827a0c@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 14/08/2025 10:54, Yijie Yang wrote: > > > On 2025-08-14 16:24, Dmitry Baryshkov wrote: >> On Thu, Aug 14, 2025 at 03:27:27PM +0800, Yijie Yang wrote: >>> Introduce the device tree, DT bindings, and driver modifications required >>> to bring up the HAMOA-IOT-EVK evaluation board—based on the X1E80100 SoC—to >>> a UART shell. >>> This patch set focuses on two key hardware components: the HAMOA-IOT-SOM >>> and the HAMOA-IOT-EVK carrier board. >>> The HAMOA-IOT-SOM is a compact System on Module that integrates the SoC, >>> GPIOs, and PMICs. It is designed to be modular and can be paired with >>> various carrier boards to support different use cases. >>> The HAMOA-IOT-EVK is one such carrier board, designed for IoT scenarios. >>> It provides essential peripherals such as UART, on-board PMICs, and >>> USB-related components. >>> Together, these components form a flexible and scalable platform, and this >>> patch set enables their initial bring-up through proper device tree >>> configuration and driver support. >>> >>> Qualcomm SoCs often have multiple product variants, each identified by a >>> different SoC ID. For instance, the x1e80100 SoC has closely related >>> variants such as x1e78100 and x1e001de. This diversity in SoC identifiers >>> can lead to confusion and unnecessary maintenance complexity in the device >>> tree and related subsystems. >>> To address this, code names offer a more consistent and project-agnostic >>> way to represent SoC families. They tend to remain stable across >>> development efforts. >>> This patch series introduces "hamoa" as the codename for the x1e80100 SoC. >>> Going forward, all x1e80100-related variants—including x1e81000 and others >>> in the same family—will be represented under the "hamoa" designation in the >>> device tree. >>> This improves readability, streamlines future maintenance, and aligns with >>> common naming practices across Qualcomm-based platforms. >>> >>> Features added and enabled: >>> - UART >>> - On-board regulators >>> - Regulators on the SOM >>> - PMIC GLINK >>> - USB0 through USB6 and their PHYs >>> - Embedded USB (eUSB) repeaters >>> - USB Type-C mux >>> - PCIe6a and its PHY >>> - PCIe4 and its PHY >>> - Reserved memory regions >>> - Pinctrl >>> - NVMe >>> - ADSP, CDSP >>> - WLAN, Bluetooth (M.2 interface) >>> - USB DisplayPort >>> >>> DTS Dependency: >>> https://lore.kernel.org/all/20250724-move-edp-endpoints-v1-3-6ca569812838@oss.qualcomm.com/ >>> >>> Signed-off-by: Yijie Yang >>> --- >>> To: Bjorn Andersson >>> To: Konrad Dybcio >>> To: Rob Herring >>> To: Krzysztof Kozlowski >>> To: Conor Dooley >>> Cc: linux-arm-msm@vger.kernel.org >>> Cc: devicetree@vger.kernel.org >>> Cc: linux-kernel@vger.kernel.org >>> >>> --- >>> Changes in v5: >>> - Update base commit. >>> - Drop an already merged patch: >>> https://lore.kernel.org/all/20250804-hamoa_initial-v4-2-19edbb28677b@oss.qualcomm.com/ >>> - Link to v4: https://lore.kernel.org/r/20250804-hamoa_initial-v4-0-19edbb28677b@oss.qualcomm.com >> >> Please keep full changelog rather than trimming previous iterations. > > Sure, I will restore them. > >> >> Also, is there a reason why you didn't pick up audio and display chunks >> as it was requested on the corresponding reviews? > > Display-related changes have been merged into '[PATCH v5 3/3] arm64: > dts: qcom: Add base HAMOA-IOT-EVK board' and are already present there. > > Audio support is still under debugging due to unresolved issues, and > it's unclear when it will be ready. Would it be acceptable to proceed > without it for now? Audio was sent to the lists, so this is confusing. What was the point of that posting? It clearly said: "Basic test is good in Hamoa-IOT-EVK board." So was that true or not? Best regards, Krzysztof