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Wed, 22 Jul 2026 13:31:32 -0700 (PDT) X-Received: by 2002:a53:d884:0:b0:667:b238:873a with SMTP id 956f58d0204a3-668a4fb48f6mr21488d50.86.1784752291660; Wed, 22 Jul 2026 13:31:31 -0700 (PDT) Received: from rhdev ([2600:1700:f361:20bf::14c1]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-668906d9344sm1923573d50.12.2026.07.22.13.31.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2026 13:31:31 -0700 (PDT) From: Jennifer Berringer To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Jennifer Berringer Subject: [PATCH 1/2] riscv: dts: spacemit: k3-com260: add eeprom on i2c2 Date: Wed, 22 Jul 2026 16:28:47 -0400 Message-ID: <20260722202848.1817988-2-jberring@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260722202848.1817988-1-jberring@redhat.com> References: <20260722202848.1817988-1-jberring@redhat.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable i2c2 on the K3 CoM260 compute module and use it for a 24c02 eeprom. This eeprom stores the product name, a MAC address, and a serial number. Signed-off-by: Jennifer Berringer --- arch/riscv/boot/dts/spacemit/k3-com260.dtsi | 32 +++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi index a38d7b738258d..a6f160dca19de 100644 --- a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi @@ -26,6 +26,38 @@ reg_5v_sys: regulator-5v-sys { }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_1_cfg>; + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + pagesize = <8>; + reg = <0x50>; + read-only; + size = <256>; + status = "okay"; + + nvmem-layout { + compatible = "onie,tlv-layout"; + + mac-address { + #nvmem-cell-cells = <1>; + }; + + num-macs { + }; + + product-name { + }; + + serial-number { + }; + }; + }; +}; + &i2c8 { pinctrl-names = "default"; pinctrl-0 = <&i2c8_cfg>; -- 2.55.0 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 EA71AC4453A for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Enable i2c2 on the K3 CoM260 compute module and use it for a 24c02 eeprom. This eeprom stores the product name, a MAC address, and a serial number. Signed-off-by: Jennifer Berringer --- arch/riscv/boot/dts/spacemit/k3-com260.dtsi | 32 +++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi index a38d7b738258d..a6f160dca19de 100644 --- a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi @@ -26,6 +26,38 @@ reg_5v_sys: regulator-5v-sys { }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_1_cfg>; + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + pagesize = <8>; + reg = <0x50>; + read-only; + size = <256>; + status = "okay"; + + nvmem-layout { + compatible = "onie,tlv-layout"; + + mac-address { + #nvmem-cell-cells = <1>; + }; + + num-macs { + }; + + product-name { + }; + + serial-number { + }; + }; + }; +}; + &i2c8 { pinctrl-names = "default"; pinctrl-0 = <&i2c8_cfg>; -- 2.55.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv