From patchwork Thu Feb 13 02:08:53 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Inochi Amaoto X-Patchwork-Id: 13972711 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 A2290C02198 for ; Thu, 13 Feb 2025 02:09:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=z5j4jKzvm5L00Y7A4pFMUkOeUji9RujtT05fkufvtgI=; b=UNr9eYf/KVBZKy DZFCiVh3Kbd7+kQViyfS3wmKYP+8rUR36rMNSNP//VeU8voULfYcIQYf0ztN56wOz31sliYPpWPT0 bDEgNVul4WPyTnOXNs7WnVteaTx0Uj4aFDNowViiF3HGJRRBonusennqMogtHhRJxd9esJ7+GJ1Uh mGIlMZD8X6DtTcucddMUjwMZRGbI7iZ7gsLzrG0d/Kpx438pWCJ/iCb3pJ/MrIHPknUfc6nuklhyU 9BCUS/YoOS1xZkN6Crna+ZruhnA+UYZV+WJ8TQJjmKpYVG355khm9obaIV+HTDWvndSmc7Jec4eIR N3rKlbIPg5I9JxL4EDFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tiOfB-00000009SuS-1vNK; Thu, 13 Feb 2025 02:09:13 +0000 Received: from mail-qk1-x72e.google.com ([2607:f8b0:4864:20::72e]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tiOf9-00000009Su0-37RM for linux-riscv@lists.infradead.org; Thu, 13 Feb 2025 02:09:12 +0000 Received: by mail-qk1-x72e.google.com with SMTP id af79cd13be357-7c0590fdae5so55416185a.0 for ; Wed, 12 Feb 2025 18:09:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1739412550; x=1740017350; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=URu48V2H4PNPhJaMKw0EYRbAFViym7qaTk/OUPZaI/s=; b=HgEODmn+cgS60OuyrHkbTirq2wb9f0TonKTUQf+2+wRP6jm4DsWTopesV5IXnX0bqW hRvE/PMQRetuSONnAf2B1F9CsXTXtMszdgdRMxvbgOyZOImEGtV0pfk8o9Sw2orACCxw gu/uN2Zd4wQljBoFTOYtVBTfcU/ghJNH/NHdQjGNPRc/jBwOUkNCNJEErWT3gZ0wO9++ 1TTJ2NO4Vy/b2MYfuD3xOq50wTulFgaTr1TxsGIsJ/5oZ7nYEWtjgRy/4+X4NO86+QhH edoq8hqZ3gOaYmT4tK6+/RmOXswcqoEEAS2FqXTG4LlDoAEKign+ti8TtjnsI3mZZ/0c CKZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739412550; x=1740017350; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=URu48V2H4PNPhJaMKw0EYRbAFViym7qaTk/OUPZaI/s=; b=hKhJLrMmaRRWH9hWeOJ/Sb1M+DjMric4zOJss4wgi6pZB6FsOGPcsn8pGAVJS65vBL Y+TAG5B9OT/LBCP5jX9YGwEaT2rBJ1rXshjNUqfWc31lQODVPGF7GvB8i3qv/dIPnavC gcrqBF2eFMFnfTrtV+5MyU6ThkwWoEHVEZURYUwaQJofEYPK5FgNN9Yp7a/LE7ISyMrv 9zxp1h7kut8dTVG9KGt6Qp87UVwMCMsJ7SAf5cg1+qo/NLiuMX2Pd/UTxreqfNkHuAUv 8maNHuWhXx/Md+HgWJOSOTzhMtzY7TChpNrEH92oR5Km0oOtGrvGCk6eQfHBxPx7cbyI aGMg== X-Forwarded-Encrypted: i=1; AJvYcCX+FEPg6ldSEcp6LbssRKhBVOY7e7bt/OdUDxT7nVLhQkbeEUrLbjroOuZjJ4wD1hCzAS+41hEAHuHfXA==@lists.infradead.org X-Gm-Message-State: AOJu0YzTrHYQBhhk0KnjzGNnyYd838wSFVs+z/SL1JtbmJty3QFruudC 6vpMEmcYq3KeV6ELFp1J/XJ8X0uRSeqNFpWyWOgH7HGH2++nFieR X-Gm-Gg: ASbGncu+vsjPQbIX+ihatHSDdzalL/wzO9lkvaagY4lW/IQVbx3XBNl4CcZD8FP7hf0 aO+RACHuJ29VfDqWKcJv7OMNXLxChp1208zIJisqsH1Nwy4s9g+TmTvQrgek0PYryC1cNVY6ZNz +3XjTBC0AOA+/TOI9ns7M7tGgkKygZtTJXGMVyY87DZjS66EklBiNLqj4a29jFnGcui3ubWYgIT iQFMquO7EYC+AYjmOx0CLUV3SXZemg1FGqpn+437ccH7B1O2kU21CDpQVFBdeZaNyc= X-Google-Smtp-Source: AGHT+IH7YLtKs3/ajC+qpgE3wdkNhgU+qso0fMS2oyCZoq3c2WmsR86YSkwyQWYRtESSNpuvD15H9w== X-Received: by 2002:a05:620a:45ab:b0:7c0:724a:c4dc with SMTP id af79cd13be357-7c07a1ed35fmr341178985a.48.1739412550545; Wed, 12 Feb 2025 18:09:10 -0800 (PST) Received: from localhost ([2001:da8:7001:11::cb]) by smtp.gmail.com with UTF8SMTPSA id af79cd13be357-7c07c5f35b2sm21730485a.11.2025.02.12.18.09.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Feb 2025 18:09:10 -0800 (PST) From: Inochi Amaoto To: Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Guo Ren , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, Yixun Lan , Longbin Li Subject: [PATCH 0/4] reset: introduct generic bit reset controller Date: Thu, 13 Feb 2025 10:08:53 +0800 Message-ID: <20250213020900.745551-1-inochiama@gmail.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250212_180911_829593_A0CA8125 X-CRM114-Status: UNSURE ( 8.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Many SoC have a simple reset controller with toggling bit to perform assert/deassert. It is annoyed to add compatiable for each device when coming a new SoC. It is necessary to introduct a generic device to simplify these things. Add a simple generic bit reset controller, and migrate the Sophgo SG2042 reset controller as an example. Inochi Amaoto (4): dt-bindings: reset: add generic bit reset controller reset: simple: add support generic reset-simple device dt-bindings: reset: simple: migrate sophgo sg2042 reset controller riscv: dts: sg2042: Adapt reset generator for new binding .../bindings/reset/reset-simple.yaml | 46 +++++++++++++++++++ .../bindings/reset/sophgo,sg2042-reset.yaml | 35 -------------- arch/riscv/boot/dts/sophgo/sg2042.dtsi | 2 +- drivers/reset/reset-simple.c | 3 ++ 4 files changed, 50 insertions(+), 36 deletions(-) create mode 100644 Documentation/devicetree/bindings/reset/reset-simple.yaml delete mode 100644 Documentation/devicetree/bindings/reset/sophgo,sg2042-reset.yaml --- 2.48.1