From patchwork Tue Mar 4 08:35:41 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Longbin Li X-Patchwork-Id: 14000184 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 962FBC282D3 for ; Tue, 4 Mar 2025 08:37:58 +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=qXKsDmXGr4YNjIx9yT1hcQzHiNZl942Ap9jpz2BzYOM=; b=voY8BIgJnQgZrX caZ6LBieuw2XPzjrBwjBdzLvl9gAjO2cTXsbz3Juc12/3VEZTuuTa8nhHTAEX+airAJsNnZOlt/nq xbeBVBGCONtsZfX5nb3aMmHGH3KgubNvxr06xbbNJFDenqUbCxUXd55EjAdRqWNJLOuwBR5MkWoE6 fXZpfp0LDmzxclAq9zmQdu1pokoTn5OyFiy5inyWFIPf5pYcS4lCQKs/EmK+uDyOwEc1rFuqZJ7RB QVew3qIQRQ5zJeiEuIke1zpGxdbdQRJJO3F0c8NIGM2/6uOveVEHGc2uuiXb1j7R8wLXq7iDyl5xP HHyJs/ZHkx9H1Pbp/YWA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tpNmi-00000003fji-0cW9; Tue, 04 Mar 2025 08:37:52 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpNmL-00000003fbH-30FV for linux-riscv@bombadil.infradead.org; Tue, 04 Mar 2025 08:37:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=UoXbxXKgyk87JlDdAMTtGXs2RE6Oglf8lNp5fJA+vrg=; b=iG2RyPC73/nroITuh/GN9xqnhY f1Ju1Ixx31DmM9EHGeuzWpfWCMs4dlQJOeYYJ/36R1z9Cya2AUGPl3u9d9sVSYHr3E/pzH+9YRyBT NC+d5aW8NRvn3DgbUb2JlsdblsSxe3PJrw3dEMlWhF7OHI3dG1D1qqCGCEo/yJinkHnr56jesIf7o 5B/DKtD8UfgZ2HuUtCkJuWOg6LEv4hgpG0djjgIimbpD2pQd7tR6ii/jRmCKi+A8RCAnLGB2bXLg4 05VNlMT4fbryFQYoCPGwgkg2dDdPMuN4BxtBJG8vUjA2mrKd1bKSb6EAt/6qoQzOf7NR9Pe1Vd8al 4UbTGG6A==; Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]) by casper.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpNmI-00000000SaI-2mcY for linux-riscv@lists.infradead.org; Tue, 04 Mar 2025 08:37:28 +0000 Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-2232b12cd36so71637355ad.0 for ; Tue, 04 Mar 2025 00:37:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741077383; x=1741682183; 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=UoXbxXKgyk87JlDdAMTtGXs2RE6Oglf8lNp5fJA+vrg=; b=RTUXs7V+5ylbZMmetdjq3gJzI09gFT42o5fa6/xCp9ytp7cUnXweCfsqrrQ4Aqn2to CmYnHkz6T8sEaKnGnsmahq8E4Y4p0alsFLRolr4Kmnw35MTLNdv+aOhDqx4ztNN8/ey5 /0CeRbpbsI9tHyP4K6xDj96rkDHuOW3WwLWp87I4pKerCq/PfNn80qEnffRcwFoGQLt/ zapDAepPoF9wWXe1M5/h7hkgLKtu6I3IV9k29bjlyzn8UKytAciLFYFCqLjldA58Rq2u 45MNyKyst+hpGqjWD/Sfc9u7xpr4C3AVosPD5L3QLj6AxBzYQGSy1UP4THJQJ6P5oTW6 hLgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741077383; x=1741682183; 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=UoXbxXKgyk87JlDdAMTtGXs2RE6Oglf8lNp5fJA+vrg=; b=Cp4xZoZO/QPCT49cjHXGbCIzFyAZOGWTc8oHh2rUIfBuhGgBbLQZas148c2UTjbg+u qzK2HT019w74dTLg2Rot1EhlWaOWDppMBjX42gox9ic1TmRFklhClTRCS21p7X2acaap vaAMMMZ2DLuxQiJUUewGZdkghHPWBBkykoh5lNLqJ/37Zh+GiSDwVwavQvXtSJupHNn3 9ZruemOsQW0vGp2I2/1y6mOr1kgnwBqgMpVC0woyk4TRwUxNrLHSTWNEZ+moqGgh4i0O 8lzkhu72R7rCHKJcFLHjMTcJEokGQuJbmXOxKqjYEORmQzDMwI9VdZ9jP39A1IEODh70 zXjw== X-Forwarded-Encrypted: i=1; AJvYcCUsecmei/quJsuLQtaiHzd5EIWe+w9wZrZSw2pKIWxWjZzmTZIflC7RBARncu0P4NSt+Cv+kffvzM+nLA==@lists.infradead.org X-Gm-Message-State: AOJu0YyUSDb6kEYiM9lZxokCxdFEf437CMSPWeqahxkkNVvyaYIDWa9b 21wXkTmZg/N58gayy4L8GtzC4gWbK51oIAA6FLAY5FO4mCHO94mL X-Gm-Gg: ASbGncuUplnUMVBd+K+moszgsOA9zHZigN2npHsy6nIPqUWeOXIUCwPs83cpR4CyAgW pbJdeTpDThXUamS/nnBRiJWBLWG4sQSvD/aTBIaFDj967nSMo8oKxFE10Vhn3Ms3EUqavvRs7me nBEYTzljbQY1n3bkQiGm7iifHQUac9/1zpF40y5Kq7sypcbiOSgZyfKQZjJ2zVd28lxxxnVXZ35 4mlYDH81yxSFLu3HQABrDGGIniuHKKqwfXJYXqqBGxUb4LH7xQ5eqYlza6SF5ovZF7kuR30dhm6 7bsTlUyD0Bz3BIZlENFf0rKQklDU7PEqx1gJShM= X-Google-Smtp-Source: AGHT+IHftL+KBeXBmrscPavFmNZrOosSLvGSCAflYbLbvZZUp4Q0oBIUi+ZQvunyvSVmM/kyQ7jFFA== X-Received: by 2002:a17:902:d2cb:b0:223:6747:f82b with SMTP id d9443c01a7336-22368f7b57dmr221738015ad.13.1741077382988; Tue, 04 Mar 2025 00:36:22 -0800 (PST) Received: from cu.. ([2001:19f0:ac00:4eb8:5400:5ff:fe30:7df3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-223504dc3b7sm90597735ad.173.2025.03.04.00.36.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Mar 2025 00:36:22 -0800 (PST) From: Longbin Li To: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Chen Wang , Inochi Amaoto Cc: Longbin Li , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev Subject: [PATCH v2 0/2] spi: sophgo: add Sophgo SPI NOR controller driver Date: Tue, 4 Mar 2025 16:35:41 +0800 Message-ID: <20250304083548.10101-1-looong.bin@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-20250304_083726_719615_B17CFA80 X-CRM114-Status: UNSURE ( 9.69 ) 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 Add SPI NOR driver for Sophgo, including read, write operations. This driver is only suitable for NOR flash. --- Changes in v2: Fixed following issues as per comments from Yixun Lan, Chen Wang, Inochi Amaoto, thanks. - Replaced "sophgo" to "sg2044" to avoid conflicts with other drivers. - Improve driver code: - Improve coding style. - Removed the [PATCH 3/3] in previous submission that based on the baseline not submitted. - Added error handler to destroy mutex if probe fail. Changes in v1: You can simply review or test the patches at the link [1]. Link: https://lore.kernel.org/linux-riscv/20250224101213.26003-1-looong.bin@gmail.com/ [1] --- Longbin Li (2): dt-bindings: spi: add SG2044 SPI NOR controller driver spi: sophgo: add SG2044 SPI NOR controller driver .../bindings/spi/spi-sg2044-nor.yaml | 52 ++ drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-sg2044-nor.c | 500 ++++++++++++++++++ 4 files changed, 562 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-sg2044-nor.yaml create mode 100644 drivers/spi/spi-sg2044-nor.c -- 2.48.1