From mboxrd@z Thu Jan 1 00:00:00 1970 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 8BC77CAC5AC for ; Tue, 23 Sep 2025 20:51:18 +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:References:In-Reply-To: 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: List-Owner; bh=RDG9xLbPjgqr8VfCcuVguWTmC1z0K3riwtKs5edpLuM=; b=MblyS4RbB6M9hE JU/4TVFjFGsf1fWT7v+qPDka0T0i92pDWpicxDHJWIhnxw0Gu4FXLN/eVx8HRZD5hAD6fWewOha6B hkslu+3qwsLO14LxS0cE6uBVcFZxVtkKg8C5eXR3rqkgeSEO7DxDynjSqR0J3FPkr23oiTk0oBui9 JQ1k1G+pVlAPFmM1jGcqmAajvE1HcgH/nheR4F3pgTWqxqNtGpeGFZOiILgjZGniPBBZAUSLjUA8t XwUCjcU8a8KwmjnJmDv6A+Lv3SIgmUNRb9IyoWmhwT2B04DX81sal8a6T/IvZsbU6iYADYz8zfy54 WKdRneRp+psYgwUWWk4A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v19yb-0000000Eo9e-1dwn; Tue, 23 Sep 2025 20:51:05 +0000 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v19yU-0000000Eo7S-31wz for linux-riscv@lists.infradead.org; Tue, 23 Sep 2025 20:51:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=+6iIiad176OW4AQzEBo582ZIz3g89l1k5od4FKYfGpg=; b=AUDEH+rERQLyo78W2oJhgBgCHD g1waUWNm1jUEb2uw8J7K70U43NhDguWhD9TkCQyYjLFztlDzkR3oKbYyBAq4UaLazWEztNpz0sj1B nHlj4wfVLRSmMrPhDoumqk66C+ahK3Db2j0DtJDUnHwDjQ8KyhNJjW1nblu7jFH1fj8l1CW5bk5t/ UKjtk2QQSedxjRCIQss0gTQkBhg/p2dhVKE4gqQYAyTxPZdihXKnIFYbA8MbLM+HzMGnsOEaK2GTh sezmvwfnuthdtqhElh9e7o2BaewsaI4087Oh+lKZTRYno3Xo0xQU6/15Pm87vQTVR+QTM/TTawy4d p5z4amVw==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v19yJ-00CFUy-2u; Tue, 23 Sep 2025 22:50:47 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Vivian Wang Cc: Aurelien Jarno , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" Subject: [PATCH v2 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3 Date: Tue, 23 Sep 2025 21:45:42 +0200 Message-ID: <20250923205028.2355244-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250923205028.2355244-1-aurelien@aurel32.net> References: <20250923205028.2355244-1-aurelien@aurel32.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_135100_022131_831C63C3 X-CRM114-Status: GOOD ( 11.62 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The BPI-F3 board includes a 24c02 eeprom, that stores the MAC addresses of the two network interfaces and the board's serial number. These values are also exposed via an onie,tlv-layout nvmem layout. The eeprom is marked as read-only since its contents are not supposed to be modified. Signed-off-by: Aurelien Jarno --- v2: - Rename the 24c02 supply name label to buck3_1v8 - Add a onie,tlv-layout nvmem layout describing the content of the 24c02 eeprom .../boot/dts/spacemit/k1-bananapi-f3.dts | 25 ++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 7df7f2c547750..994bc23cc1023 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -115,6 +115,29 @@ &i2c2 { pinctrl-0 = <&i2c2_4_cfg>; pinctrl-names = "default"; status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + vcc-supply = <&buck3_1v8>; /* EEPROM_VCC1V8 */ + pagesize = <16>; + read-only; + size = <256>; + + nvmem-layout { + compatible = "onie,tlv-layout"; + + mac-address { + #nvmem-cell-cells = <1>; + }; + + num-macs { + }; + + serial-number { + }; + }; + }; }; &i2c8 { @@ -143,7 +166,7 @@ buck2 { regulator-always-on; }; - buck3 { + buck3_1v8: buck3 { regulator-min-microvolt = <500000>; regulator-max-microvolt = <1800000>; regulator-ramp-delay = <5000>; -- 2.47.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv