From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 20BD9C79F82 for ; Fri, 4 Sep 2026 20:35:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ByVGAz+j9xe5MWNa9XTv6mxh8KuFnEa40VZnZO+yeb0=; b=EFu+2bpzrwtTUGDNKHQ3AF086c 0yZ0rDqRg5QoKdgXGmodp+in0Vo/b5qNRJ5v/jy+NjRsZHnDp7K2GAD6K4XONvw1FAkWD0DSk+k21 d51tOkhVr3X28ts7ORY8K9nidN8b8CldBDY7CGUGHw1znXWNhClb/VshjcGsjPMDIMlhZrAafdQWq 0h3FWPAR7RoHx2b+HLqU36uJtrW2Zns9hvb9JeucOzvTaF3KazrlvObAWXO+oN3W+Bske+IFjXUNZ 1mDqU9mI/qBWoOk4E/z1KuzdWjxilPRrjfoI/21YKhS7JmhvBgDHXit5Q0O9bq+MHeoWnjbzjRD3w ilXIL4LQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2acm-00000003H1i-3nnA; Fri, 04 Sep 2026 20:35:00 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2acl-00000003H17-25zs for linux-arm-kernel@lists.infradead.org; Fri, 04 Sep 2026 20:34:59 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id ED341600C8; Fri, 4 Sep 2026 20:34:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3B6F1F00A3D; Fri, 4 Sep 2026 20:34:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788554098; bh=ByVGAz+j9xe5MWNa9XTv6mxh8KuFnEa40VZnZO+yeb0=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=gGdhCXql4CzLkGf9OGoZbMxcYFfsZbs1FWEpe6J7eEwlo6Jd+U+0Zn7RhNeiGQLIM kR+fGiBDjUED7n84d69bzyFTkU8roW2La5EMgTaMUY5XxZ7klVql8BPsJlfrwRL45L er9JvOoWzJOw4hKz8mF+cELxhlwAomMHUAR3MzNz+mo3M93OtHNZz0YHtidNa56wsJ pnBr0H76J6rDe1pJ2FTrsLzgtcYZhAHCuXwqdrPrDlzOwkZgVES1BHF5fOq7yZ9Alq LFazWdo5EsMriw9DWZwRYYEpQP6WoTd0IvAEcM1Z7Qz+/nL1IfCjTSHRITXzGvu0eY 9YX0DgpVqi2Pg== Message-ID: <027b6019-9a2c-4f3a-8c64-c9836857b471@kernel.org> Date: Fri, 4 Sep 2026 22:34:51 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/6] arm64: dts: apple: Add minimal MacBook Neo device tree To: Yureka Lilian , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , Janne Grunau , Neal Gompa , Hector Martin , Thomas Gleixner , Radu Rendec , Wim Van Sebroeck , Guenter Roeck Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org References: <20260904-apple-a18-pro-initial-devicetrees-v1-0-0c25401d165d@cyberchaos.dev> <20260904-apple-a18-pro-initial-devicetrees-v1-6-0c25401d165d@cyberchaos.dev> Content-Language: en-US From: Sven Peter In-Reply-To: <20260904-apple-a18-pro-initial-devicetrees-v1-6-0c25401d165d@cyberchaos.dev> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 04.09.26 21:49, Yureka Lilian wrote: > Added a device tree for the MacBook Neo, which uses the t8140 SoC > (A18 Pro) also found in the iPhone 16 Pro. > > The device tree has a minimal set of devices limited to CPU cores, > interrupt controller, watchdog, serial and framebuffer. > > Using the macOS 26.6.2 iBoot/firmware, the machine reliably boots > on a single core using the stock kernel. > Booting with smp requires avoiding the wfi and wfit instructions > in the idle loop and `delay()` respectively, since those instructions > cause a loss of architectural state on the secondary cores. > > Signed-off-by: Yureka Lilian [...] > + > + memory@800000000 { this doesn't fit the reg you use below. > + device_type = "memory"; > + reg = <0x100 0 0x2 0>; /* To be filled by loader */ > + }; [....] > + > + aic: interrupt-controller@301000000 { > + compatible = "apple,t8140-aic3", "apple,t8122-aic3"; > + #interrupt-cells = <3>; > + interrupt-controller; > + reg = <0x00000003 0x01000000 0x00000000 0x1cc000>, > + <0x00000003 0x01040000 0x00000000 0x4000>; please be consistent and use 0x3 and 0x0 here like for the rest. Sven