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 60E783A1697; Mon, 13 Apr 2026 08:07:53 +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=1776067673; cv=none; b=Zz9JV4c6wsA15jE/VXdgnTsN6I3R/31oi9GlvqExOMagUH94t9qg2bCHktvwWqSnth0xugZ14ocQ9JBWyvkHG2g3xbCbHuHejtWVPILwNs27qElVqtXL8xfUp4dVNOFZ0mYqiyETPSTFNwVNF2HJuoXCrmTGE1v2bo0y45WIxZs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776067673; c=relaxed/simple; bh=K/YUtFOPx6TtejRWSGMSc251DlaHoinDPH8bHmo4xL4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=anWHSPwl7C/sJndJCMe3HepJZcQYUhd/9ynTtjNdjhgVXyQQAr4zAH3nFp4NzvGU6geaRoDo3/HtuVkvUC0/SfvYLd5ZzscUK4Vhpp4TQi9Kyirg2KdQo+mpqXeYYbeMrzqx1rODGpEFLFaZk9BZmfMNrBLURaKw8i/kxsxDB8E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=T617iZDO; 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="T617iZDO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98551C116C6; Mon, 13 Apr 2026 08:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776067673; bh=K/YUtFOPx6TtejRWSGMSc251DlaHoinDPH8bHmo4xL4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=T617iZDOQBGFb7eic52LXx/rVM7txox9QkjbRgyN5j09VwJz03r96VsFYYLSbCvUN i3oHnk07203nkIYl+gLDMYIuOlJirLZouyqMZlLHS9Z7TweRiQzsoWZpO4x4LWPPyQ IA5qplR6M9Q8hpD+kEv/MSrBavcihhEfBCxr7XAmWM3CR+d+/Lz5PCYSDCWq2E/ExH 1/H12JKNcWu1DcA0KGbrNeSwEB7x+ZEFf1Bs2kDsDdqLQj4JmbQbBqLQdnHrtwqQnu wbN8rgs38rYas3gGYE9GItVF+YKWNHaKMRnV5nRGhmSLW8GCGBmGui8j0fQ8pv1yMe h1V9XlVyod/BA== Message-ID: Date: Mon, 13 Apr 2026 10:07:46 +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 v8 0/9] riscv: spacemit: enable SD card support with UHS modes for OrangePi RV2 To: Iker Pedrosa , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Troy Mitchell , Michael Opdenacker , Javier Martinez Canillas , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Anand Moon , Trevor Gamblin , Vincent Legoll References: <20260413-orangepi-sd-card-uhs-v8-0-c21c40ec16d0@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 13/04/2026 10:02, Iker Pedrosa wrote: > This series enables complete SD card support for the Spacemit K1-based > OrangePi RV2 board, including UHS (Ultra High Speed) modes for > high-performance SD card operation. > > Background > > The Spacemit K1 SoC includes an SDHCI controller capable of supporting > SD cards up to UHS-I speeds (SDR104 at 208MHz). However, mainline > currently lacks basic SD controller configuration, SDHCI driver > enhancements for voltage switching and tuning, and power management > infrastructure. > > Implementation > > The series enables SD card support through coordinated layers: > > - Hardware infrastructure (patches 1-2): Device tree bindings for voltage > switching hardware and essential clock infrastructure. > - SDHCI driver enhancements (patches 3-7): Regulator framework > integration, pinctrl state switching for voltage domains, AIB register > programming, and comprehensive SDR tuning support for reliable UHS > operation. > - SoC and board integration (patches 8-10): Complete K1 SoC controller > definitions, PMIC power infrastructure, and OrangePi RV2 board enablement > with full UHS support. > > This transforms the OrangePi RV2 from having no SD card support to full > UHS-I capability, enabling high-performance storage up to 208MHz. > > Tested-by: Michael Opdenacker > Signed-off-by: Iker Pedrosa > --- > Changes in v8: > - Resending the series as v8. The v7 submission failed due to an SMTP > error during transit, which resulted in a broken thread on the mailing > list. Hm? Everything is here: https://lore.kernel.org/all/20260413-orangepi-sd-card-uhs-v7-1-16650f49c022@gmail.com/ You can send individual patches to fix up threading, use --in-reply-to. > - No functional changes from v7. > - Link to v7: https://lore.kernel.org/r/20260413-orangepi-sd-card-uhs-v7-1-16650f49c022@gmail.com > You already sent it on 13th of April. And now v8 the same day. Wait a few days to allow people to actually review your code. It's BTW merge window, so big series should slow down. Best regards, Krzysztof