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 3E2D12DEA77; Wed, 12 Nov 2025 08:10:14 +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=1762935014; cv=none; b=Sme0W18qcbKrjGQx3KAWKksXtTdkgWhwY2oL7cQ4oTPG+/wOF42N5Xat5tjrwefgAvo/qO9jvSrVnkpm45V2cYKFwaWBAOpxo9uG1EAnqQ5FKXVaT6ZpeWeUieXu+24nlj1qSLLUPOeJx8TvBSqQdh9hmOgT+b96J17bWvE8kss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762935014; c=relaxed/simple; bh=iv/OPEfQvs2X2gEq4hDNQaM+Mdv+7H4qcOkVCuUzYvc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WfuYODuv1eh+k3LLknG7HYQiYtTh4ZPNNwJlYQR80L4jeejtXokc54LKzSoKC3bi76IUjvkpCEvIXL/pPXK4A3d5hFDxbudQNd3tShEC5v7zlcOGGdKyn9h9i2hAgdCTy5k9joOerrzLuXQB+vu0WEPXExuatVUXEjjps0m9sFg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=t+16XDEn; 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="t+16XDEn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A9FAC16AAE; Wed, 12 Nov 2025 08:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762935013; bh=iv/OPEfQvs2X2gEq4hDNQaM+Mdv+7H4qcOkVCuUzYvc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=t+16XDEn2tz88QHz1qof4GA7lGaNoQ8SBVlOT4YHqqiRtEU/n0xdDxY70KEIN1Wlq 5yj91quFLQHofrnrYAoI4AB88x5AcfpbI1KTRthlrRcclbAJQ99ykS9p/sHTVlrJtb 6BZZd9MFBCGPVX/PJYmQKKAmcueOQYjbJnf7ZEGlQ6056yRXBN7WJcqQdlbKtT0/vg adASYXnaVFyHVDYqsVK70Z0ZRoomJTkoYMaOckyP3P9hGmyV/41wbjyjRoyv5Btf5P fLVoU+X8FkLDZJHnmemrY7QhmJHtdjqHxzURQGY2dedz6DD6J6HrCY6Kp9PsRKCDCJ jUfZALiZyMLvg== Message-ID: Date: Wed, 12 Nov 2025 09:10:07 +0100 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 3/4] arm64: dts: google: Add dts directory for Google-designed silicon To: Douglas Anderson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , =?UTF-8?Q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, Roy Luo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chen-Yu Tsai , Julius Werner , William McVicker , Alexandre Belloni , Arnd Bergmann , Catalin Marinas , Drew Fustini , Linus Walleij , Will Deacon , linux-kernel@vger.kernel.org, soc@lists.linux.dev References: <20251111192422.4180216-1-dianders@chromium.org> <20251111112158.3.I35b9e835ac49ab408e5ca3e0983930a1f1395814@changeid> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/11/2025 20:22, Douglas Anderson wrote: > The first four Google Tensor SoCs were offshoots of Samsung Exynos > SoCs and their device trees were organized under the "exynos/google" > directory. Starting with the Google Tensor G5 SoC in Pixel 10 phones, > Google Tensor SoCs are now of Google's own design. Add a location in > the tree to store these device tree files. > > Signed-off-by: Douglas Anderson > --- > > MAINTAINERS | 1 + > arch/arm64/Kconfig.platforms | 6 ++++++ > arch/arm64/boot/dts/Makefile | 1 + > arch/arm64/boot/dts/google/Makefile | 1 + > 4 files changed, 9 insertions(+) > create mode 100644 arch/arm64/boot/dts/google/Makefile > > diff --git a/MAINTAINERS b/MAINTAINERS > index ddecf1ef3bed..f73a247ec61c 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -10606,6 +10606,7 @@ C: irc://irc.oftc.net/pixel6-kernel-dev > F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml > F: Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml > F: arch/arm64/boot/dts/exynos/google/ > +F: arch/arm64/boot/dts/google/ > F: drivers/clk/samsung/clk-gs101.c > F: drivers/phy/samsung/phy-gs101-ufs.c > F: include/dt-bindings/clock/google,gs101.h I am fine with this but also please consider having separate maintainers entry, because, as you said, this is a completely different SoC. In any case, up to you folks. > diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms > index 13173795c43d..044af9a3b45f 100644 > --- a/arch/arm64/Kconfig.platforms > +++ b/arch/arm64/Kconfig.platforms > @@ -138,6 +138,12 @@ config ARCH_EXYNOS > help > This enables support for ARMv8 based Samsung Exynos SoC family. > > +config ARCH_GOOGLE > + bool "Google-Designed SoC family" > + help > + This enables support for Google Tensor chips starting at the > + Google Tensor G5. > + > config ARCH_K3 > bool "Texas Instruments Inc. K3 multicore SoC architecture" > select SOC_TI > diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile > index b0844404eda1..b4b5023d61d2 100644 > --- a/arch/arm64/boot/dts/Makefile > +++ b/arch/arm64/boot/dts/Makefile > @@ -17,6 +17,7 @@ subdir-y += cavium > subdir-y += cix > subdir-y += exynos > subdir-y += freescale > +subdir-y += google > subdir-y += hisilicon > subdir-y += intel > subdir-y += lg > diff --git a/arch/arm64/boot/dts/google/Makefile b/arch/arm64/boot/dts/google/Makefile > new file mode 100644 > index 000000000000..a6b187e2d631 > --- /dev/null > +++ b/arch/arm64/boot/dts/google/Makefile > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) Drop the '+' in GPL license. Best regards, Krzysztof