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[23.128.96.35]) by mx.google.com with ESMTPS id x11-20020a170902b40b00b001cc16aa4981si5865805plr.39.2023.11.19.05.26.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 05:26:08 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=GOx03R5n; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id AEB698061380; Sun, 19 Nov 2023 05:25:59 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230454AbjKSN0A (ORCPT + 99 others); Sun, 19 Nov 2023 08:26:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbjKSNZ6 (ORCPT ); Sun, 19 Nov 2023 08:25:58 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86FDCB7 for ; Sun, 19 Nov 2023 05:25:55 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A5B6C433C7; Sun, 19 Nov 2023 13:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700400355; bh=MuFb6Jk9Fj76Lk+Y+AfZIu/0pw2dOjOHcPcPCdb0bN0=; h=From:To:Cc:Subject:Date:From; b=GOx03R5nPTBsQnissHt8HthhnhQrIwZoWcMEeXlxxS2qVhJ0T92DKCneDDOWYF7SB b0AbiMh+Wgvv0gQpynwxysouNqvSPBa9b6R7TZ/UTNnnxWC9Je7K7i9C9L29jQUsbC 5yYbGYggAmUXZtIf6SLdAL9J2hAgwJddAaMsSzccRfztFCIG1+dKoSB+vJPsYJwCZv RgWZ9HmsvJv836LDg6p0o6oXZlA9vEDZOSyas29qY4PFjOeU7KAoj0vJOXMuRINu6E dma626QmB3gHpnc3w5pgxF6bUKdRDTePXrXU9Hqfktdxat0cMJnvR96iJiDE5LNwAZ /YfulcGiB8N+A== From: Jisheng Zhang To: Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Chao Wei , Chen Wang Subject: [PATCH 0/2] nvmem: Add Sophgo eFuse driver Date: Sun, 19 Nov 2023 21:13:30 +0800 Message-Id: <20231119131332.999-1-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Sun, 19 Nov 2023 05:25:59 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782999017436117438 X-GMAIL-MSGID: 1782999017436117438 Sophgo SoCs such as CV1800B contain eFuses used to store factory-programmed data such as calibration values for the built-in ethernet PHY. As for CV1800B, HW automatically loads the eFuse content into CONTENT base registers which are organized as 32bit values exposed as MMIO. Currently, add read support for the eFuse. This is a preparation step for supporting the built-in ethernet phy. Since the clk support isn't mainlined, so cv1800b DT patches are not included. Jisheng Zhang (2): dt-bindings: nvmem: Add sophgo,efuses nvmem: Add Sophgo eFuse driver .../bindings/nvmem/sophgo,efuse.yaml | 54 +++++++++++ drivers/nvmem/Kconfig | 13 +++ drivers/nvmem/Makefile | 2 + drivers/nvmem/sophgo-efuse.c | 97 +++++++++++++++++++ 4 files changed, 166 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/sophgo,efuse.yaml create mode 100644 drivers/nvmem/sophgo-efuse.c