From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2AA243EFFC0 for ; Thu, 1 Oct 2026 20:26:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790886404; cv=none; b=TVGUZYPo4yn4LeF7DHYKME8MSlxgnNmK55wSf4UerTUsQSptZkZ7kfEHTuTgVwOSU2qbpjmCspD3jQ5cCOFUdBwCxn7UF2OeHGCCosWTyh1VrxCV+IE3w9D549ygsjhz/b38YLzbeqvCysoXZojBWPhsP56aBUj1v9eCxx4vTog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790886404; c=relaxed/simple; bh=TDzyHBnvN6Az74PoI0viABsOFItZGrFL39Cl60uyHr8=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=XVRT37HgVxBQbG46BPgXW/XfEFMfX+HfbU+imbm48Zd12bmD+HA0ANWzhbS+BY0nlSay7hpFUeX8HRQJpfUYJfGFpX4M84vp1Al+aJE8eXpgHbM7ax5F/BZUry5Hw778E+jg2EIWU3a5jrGpyXZXAO7nCKfJqwRJ2TDhQkVYVlM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lSQa0Q1T; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lSQa0Q1T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5A8F1F008A6 for ; Thu, 1 Oct 2026 20:26:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790886402; bh=cuZLwo8L/Pz3tHEl/pgaDbc4NC6C8bTc4OVbV4XoCzU=; h=References:In-Reply-To:From:Date:Subject:To:Cc; b=lSQa0Q1Tmp6AnEKgZnzPKAv/nZxq4L0eN0mmIfFPzFE5VKiKhEGw64PZ7Kest0yXV RzLDkDkLeYWVXbGEQfwzqJqjYVVNGGYhRgrR4HUFdg4s+OAustLvpWFzE92VIwrb0/ 9ZvmBbLQfjnX+M7swxzFDVVEoTPUkJDTYRC8dlpLkW7wTbrvs35hfgqRrt1jOTyFJd oyENsUwCm/haQNacO7s9VBgPOEqYf5dFgNjh3hFEAW74RIKj7XbxuV330RPHQVL+El +Ngt2IDbG2nLQoLI4gAr4xzgufiAHYXlwgqjBnar7jYmCiPqHE3X/YbOX++L6davvF fiRa2L2zsx+rQ== Received: by mail-lj1-f178.google.com with SMTP id 38308e7fff4ca-3a771ad2a9aso16089841fa.0 for ; Thu, 01 Oct 2026 13:26:42 -0700 (PDT) X-Forwarded-Encrypted: i=1; AKwUvByoGW1DgXWCF5HV8YTM1gp2fJqwzCM51pnuqpoWcXY4V/t151FUfwHAQnxzrQiRAd3RH0L4SQ36AGbN7ig=@vger.kernel.org X-Gm-Message-State: AFq9FYLxkeBFe5ivc6xIePuN2pKXUPwiYxo/M8jgQ1UA7mYzBUyTMuJ2 y3rn7lVp4zeeJViNA/AWiQgTyra3hNvsHVBmp/2zrjfDCNq17F6SR6Wb+hztcRvat8UKyLGBiWm 6k1NZ2WA1TdNySYAC4/h8OPyXJRIXsGI= X-Received: by 2002:a05:651c:982:b0:3a7:83fb:a2f4 with SMTP id 38308e7fff4ca-3a783fba4b6mr9981301fa.15.1790886401618; Thu, 01 Oct 2026 13:26:41 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20260918-contrib-pg-pixel10-initial-dts-v4-0-745eaca28b1a@linaro.org> <20260918-contrib-pg-pixel10-initial-dts-v4-3-745eaca28b1a@linaro.org> In-Reply-To: <20260918-contrib-pg-pixel10-initial-dts-v4-3-745eaca28b1a@linaro.org> From: Linus Walleij Date: Thu, 1 Oct 2026 22:26:27 +0200 X-Gmail-Original-Message-ID: X-Gm-Features: AclHuK-u9udZl77wTM7_r_7heAhhugb-sGNthmiZZXg0N5M_CZnxPf-YeiEWQxc Message-ID: Subject: Re: [PATCH v4 3/4] arm64: dts: google: Add initial dts for frankel/blazer/mustang To: Peter Griffin Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?Q?Andr=C3=A9_Draszik?= , Tudor Ambarus , Catalin Marinas , Will Deacon , Mark Rutland , Arnd Bergmann , Krzysztof Kozlowski , Alexandre Belloni , Drew Fustini , Kees Cook , Tony Luck , "Guilherme G. Piccoli" , Greg Kroah-Hartman , Jiri Slaby , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, soc@lists.linux.dev, Douglas Anderson , Juan Yescas , RD Babiera , Brian Norris , William McVicker , kernel-team@android.com, linux-serial@vger.kernel.org, Brian Norris Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Sep 18, 2026 at 9:05=E2=80=AFPM Peter Griffin wrote: > From: Douglas Anderson > > Add initial device trees for frankel (Pixel 10), blazer (Pixel 10 > Pro) and mustang (Pixel 10 Pro XL). These device trees are enough to > boot to a serial prompt using an initramfs. > > Currently only Laguna B0 silicon found in mass production phones is > officially supported. Further revisions such as A0 silicon and EVT > devices maybe added in the future if they are useful. As of today, > these device trees boot fine on EVT devices with A0 silicon. > > A few things can be noted about these device trees: > > 1. They purposely choose to use the full 64-bit address and size cells > for the root node and the `soc@0` node. Although I haven't tested > the need for this, I presume the arguments made in > commit bede7d2dc8f3 ("arm64: dts: qcom: sdm845: Increase address > and size cells for soc") would apply here. > 2. Though it looks as if the UART is never enabled, the bootloader > knows to enable the UART when the console is turned on. Baud rate > is configurable in the bootloader so is never hardcoded in the > device tree. > > Changes by Peter Griffin: > - Remove dtbo overlay approach and add individual board dts > - Update to lga-pixel-common naming like gs101-pixel-common > - Reorder nodes alpha-numerically by the node name > - Add ramoops reserved-memory (tested with console=3Dpstore) > - Add reserved-memory for bootloader & gsa logs > - Add reserved-memory for Android BootLoader ABL (used on Watchdog > reset to extract boolotader logs / parse breadcrumbs / ramdump etc). > - Add osc 38.4Mhz fixed-clock > > Signed-off-by: Douglas Anderson > Co-developed-by: Peter Griffin > Signed-off-by: Peter Griffin > Tested-by: Brian Norris > Reviewed-by: Brian Norris I think I reviewed an older version of this yesterday or this morning. Reviewed-by: Linus Walleij Yours, Linus Walleij