From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 794F917A2F6; Sat, 16 Aug 2025 03:34:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755315261; cv=none; b=MhjgJ6wLczi3nZcSqdt/cnAdrQEzDL+Bg65Rj5iR56iLiSJp/O7x0I9g28EqZJojYku+bYQaZFo6Qet93eS2JcfS9TqzTUw6TnWdR72hdI+eZwJyoFgEwyRtD6HTyToMHT12dpugjUlhVaQVdB/PvXC7GVvS93R0EED2Iexqp0M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755315261; c=relaxed/simple; bh=N/oqJn4ZvxNNFoCwA259VuHk2vtLCnNsRDlcE0nBqtU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cHiInPUsj7f3PNkfjLrGlls483z8FER2bdpkuozdrK1KWzBHoKazwtEHLsNVjJMxMFJvZBvuu+TtvaFP4N2Z6IjJMmERswoeKtkrFDBGfVmbu/jMJB4kmuc4rlRXEvWP/OSb1BRbINnxWgz7jt3BG3cEmEke1XTLh+wwShjKIFw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=hmS8pZ++; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="hmS8pZ++" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id AD8EC25E27; Sat, 16 Aug 2025 05:34:15 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id FQXJYJxO1B6p; Sat, 16 Aug 2025 05:34:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1755315254; bh=N/oqJn4ZvxNNFoCwA259VuHk2vtLCnNsRDlcE0nBqtU=; h=From:To:Cc:Subject:Date; b=hmS8pZ++BVZsO/z9DTcDa7fA3JNsaWGb8+W6b2snuaYetaqdCQiZfCtB6I6ai6Sq0 M1NuAAwf/+1dZuq9C+qX2rCC0wybSv1itsPO7cGAtW6BfrL/cd9JS5GBydzNo4O+Px NRySM0fGRtmLvNvX3ukkWtzAfaobTL/FuYy1BMQfBPZLiDzvzVnGGudVUjOpOCCJhA 2Zv848mu1+BtQ0nAtm/RrrHtNCFuyDSXZVCLGG1bDob7+a3Bxq9Z4tk7QcGGKtncGW aW1j+Si91lfSABlFit7Qu1J7JfSqHauBlgHYjJdmhNbGG46/Jo2u4TYIeCYjosIW9s KJiyaVC5uCgJg== From: Yao Zi To: Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit , Yao Zi Subject: [PATCH 0/3] Support reset controller of Loongson 2K0300 SoC Date: Sat, 16 Aug 2025 03:33:25 +0000 Message-ID: <20250816033327.11359-2-ziyao@disroot.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Different from previous Loongson SoCs, 2K0300 integrates a reset controller that provides reset signals represented by contiguous, distinct register bits for almost every SoC function block. This series adds its dt-binding and implements its support through reset-simple driver. Reset functionalities are tested with UARTs and GPIO module, it's verified the module won't work with the corresponding reset asserted. The devicetree patch (PATCH 3) depends on series "Support pinctrl for Loongson 2K0300 SoC" for a clean apply. Thanks for your time and review. [1]: https://lore.kernel.org/all/20250811163749.47028-2-ziyao@disroot.org/ Yao Zi (3): dt-bindings: reset: Document reset controller of Loongson 2K0300 SoC reset: simple: Support Loongson 2K0300 SoC LoongArch: dts: Add reset controller for Loongson 2K0300 .../reset/loongson,ls2k0300-reset.yaml | 35 ++++++++++ arch/loongarch/boot/dts/loongson-2k0300.dtsi | 17 +++++ drivers/reset/reset-simple.c | 2 + .../reset/loongson,ls2k0300-reset.h | 70 +++++++++++++++++++ 4 files changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/loongson,ls2k0300-reset.yaml create mode 100644 include/dt-bindings/reset/loongson,ls2k0300-reset.h -- 2.50.1