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 BE11618D63E; Wed, 16 Apr 2025 07:20:26 +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=1744788026; cv=none; b=o7qB88CTECYfB9L9BoTePOMlSpsDKwrTGLzSiDF7BjzECY10oS+RtBog5XYiFQ9aT9VkNYFy+BZmJAPB1/HEV7qcAZXkwQ31XInS1Px0e+6M/upWeX5bdEfjIINEOq9WqSPom0TDZb4mAy6RIpT+391CELaB19V1OtUdSc+jVDI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744788026; c=relaxed/simple; bh=GJEGgKU6X6Hb+9PlVpjjXZwzlwrwbX8sDV3NX910M5A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=uefH4HnuRfd495tQM/uRMiXMikYsulzafKba/Kllj0LuZCs+QlCPoSmmsS0wlk1rc+giU7RYesAyGZT1TD6YKOdApruUzbmp1DUwdecSnxw4k6dy0rHtfB+ElTYydifZmaQya7wnVS2TgbkDjFW5eYA/mcxq3v+wszJYoRWknXQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YK2vyt6S; 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="YK2vyt6S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C817EC4CEE2; Wed, 16 Apr 2025 07:20:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744788026; bh=GJEGgKU6X6Hb+9PlVpjjXZwzlwrwbX8sDV3NX910M5A=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=YK2vyt6Sotc84JvntPqwjeH4eX67MecNamziufXfcoc0LVefxDpe7dcqYT8oy82BI IwiAnkrUFkzEF3bG9lof66Hgt5SCjUc8ynAzBA0SDFIosyKF5KNPwNR9D1g3qYvLgA IpLQ/wPyCneXCKjL3Z9Dt6I9rbFDwJLatPlPCrJkBx2wGvNOmeQYMQLyMGV6wTPc5m BCo12LhgYnYK5SiIrUDG708JKq0Cm/fqLu7PmBvzI47IznGBdpf3wZDIapJYskWRS6 AIInB6/2J81XqVVYxUdt9Q273ISb7taxaKGBDfK5jZuuLy1zEH1czhWNmHK8fiQJma cxbjleZvF3ASQ== Message-ID: Date: Wed, 16 Apr 2025 09:20:23 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/4] arm64: dts: exynos: add initial support for Samsung Galaxy S22+ To: Ivaylo Ivanov , Alim Akhtar , Rob Herring , Conor Dooley Cc: linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250321145556.1436201-1-ivo.ivanov.ivanov1@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 21/03/2025 15:55, Ivaylo Ivanov wrote: > Hey folks, > > This patchset adds device tree files for Exynos 2200 and Samsung > Galaxy S22+. > > Exynos 2200 SoC is an ARMv8 mobile SoC found in the Samsung Galaxy S22 > (r0s), S22+ (g0s), S22 Ultra (b0s) Add minimal support for that SoC, > including psci, pmu, chipid, architecture timer and mct, pinctrl, > clocks and usb. > > The devices using this SoC suffer from an issue caused by the stock > Samsung bootloader, as it doesn't configure CNTFRQ_EL0. Hence it's > needed to hardcode the adequate frequency in the timer node, > otherwise the kernel panics. > > Another issue is that cpu2 and cpu3 fail to come up consistently, which > leads to a hang later in the boot process. As A510 cores are clustered > by two, it makes sense for both of these cpus to fail if there is a > power issue. Disable them until the problem is figured out. > > Samsung Galaxy S22+ (SM-S906B), codenamed g0s, is a mobile phone from > 2022. It features 8GB RAM, 128/256GB UFS 3.1, Exynos 2200 SoC and a > 1080x2340 Dynamic AMOLED display. > > Further platform support will be added over time. > > I expect [1], [2] and [3] to be merged in next before this patchset > because it depends on the aforementioned series for drivers and device > tree bindings. Please document dependencies at the top - this is the most important part of cover letter. Ping me when dependencies get merged. Best regards, Krzysztof