From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49C4F4399FE for ; Wed, 22 Jul 2026 20:31:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784752296; cv=none; b=hnCZPDi0bKTdJBO12AoBBk+bnavFDUuHVHDb2cULTKACxK/PV/QTvLx55EObEerOSnMBOyQhImqMEF89fu6NjzKYjyZUbljXv+N1SnN5ZERgKdbZ2wOE8MkxuxhulcUuzMC0A33qR4BChvVDtXEyAT/82wHGOE06X9dS1JRXRR8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784752296; c=relaxed/simple; bh=ej7MF+RkX+ntdWc2Dj/eHFF66Qpw3vFR5EcH0ZPrVOQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JrWdfWXyatimW63i9uKMOUoTjzL0SOasmrYXhsARCG1jtcLCBzf6OKcS9BVIAGLaAH971S5c+YeBjkQ1LvBkfBwuVB14b/u+Y/3FHuBsADgakbkLrU9I+waAVPWwN1HTgyvR45I11SFWABrOa0yLTejRTNTiLrKcgbnaBkf8Z0M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=cm4xMrT6; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=RgW61bM6; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cm4xMrT6"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="RgW61bM6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1784752294; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HO7EY2uSAl2r3/4QPFjAWAR2NbBnS+jBGqUz+JFZA0o=; b=cm4xMrT62rIwcNDCN9x0XfknIcd/8PCXUNFyYDEDJfNNyc7YKWdq4tsEmj+EjWq0WsvFFX JJT/+vGPf9O/gonNauHvYA34EqYN6FmQGm6a54v3Yr0HksHv/3zL2UBf4dIJdC4dmStxnd IKqcFteSjFSoT7Uurg+tsflR5IsLfxc= Received: from mail-yx1-f72.google.com (mail-yx1-f72.google.com [74.125.224.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-269-DmMxDKHuNYynlsyCMmQahw-1; Wed, 22 Jul 2026 16:31:32 -0400 X-MC-Unique: DmMxDKHuNYynlsyCMmQahw-1 X-Mimecast-MFC-AGG-ID: DmMxDKHuNYynlsyCMmQahw_1784752292 Received: by mail-yx1-f72.google.com with SMTP id 956f58d0204a3-664e15b53d3so21577315d50.3 for ; Wed, 22 Jul 2026 13:31:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1784752292; x=1785357092; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=HO7EY2uSAl2r3/4QPFjAWAR2NbBnS+jBGqUz+JFZA0o=; b=RgW61bM6WzpI/P0EHWbdbzadhFPoSFpQW7pDoqu+OmpZ5giF9NDSs3T+xKgVaD2gPU Apk5B7gUCAF5rdSnHjuu+JsL7MbJ5rm4NiVqCPehArwHVGtUCShtk57VDxFkWU9P0lFY queMblruUsOZK9NZAOgP5+5n2BJ1e52pj40jb4TscgH9V4DmlqSCFRf1xc29Tbv06T56 TmP4Em8gSUow1K3yNBjdoS3oNX+CSUE0sB6bb7tBc5TgiU+yRZxJvZ8J6EevWmHISZTS 2lQEDYzXyLftATIJJ2MYzAy+ixyUxeq5DK8DcfCNwZ+s6Cytpis7hvdydsocZXXG+mgp +iFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784752292; x=1785357092; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=HO7EY2uSAl2r3/4QPFjAWAR2NbBnS+jBGqUz+JFZA0o=; b=kW/kxSPL/8wkgcvPjZ59Dvv5hvmXAUp++tGnTGarPGNV/s/in0ISCTY6i1mQ7QJ/dr G4lpzU1Lait9MMHgZcMQ1diGdfi8n7weCiQS3wKAQCghK/0WYiwAZ8/tCWSKh1N3cOJ1 Vc9SYH40++78ihDo4GKArUvXN1EeY/9j2Kurrb/Q3GKsZ30VuOXe48ALHXMrVr/5Yd9j wOGU2sfiOpxcDB4aQ/KRq+yLu/q2iQhXY2O5bRGquOebMwtRPH8UtZJS3JbGUa7CH4rb kZ8g1dFPXNhmYKqA2xQEXCda6j2fARUu6HVNakUOr/hduF2QpixRSIloaV8jUHhrGA0i Fq6w== X-Forwarded-Encrypted: i=1; AHgh+RrJt7OtiHGXMhcKjsthJGkldjf4nBpUjgALYExuue5ushAH6fJj94G8QmdnwEnb1z8foWePhQJZu3xcmlI=@vger.kernel.org X-Gm-Message-State: AOJu0YyFYeOzg35KxFsSu7PR+h0RLQ9ZlnBwYeZSu8X38CKFlVQCcn/f O+T0Wgxx+EXENIyTMuKwh8IeBLk7gM2S2MqEzxFqycMKgSnqB1pskQRsaXdfDlaPV3y+IDQcx9D gsXzMpREoaPASdkYkIJlt/TaG0kH4I8XFYBt/KIwKMY7NfarIAycgo5qae3tu8nt0tg== X-Gm-Gg: AR+sD12MpztZO0DmMm1pooU81ZeZjjVjFVR6iQxkOkq93RCqwGImwWNEMj/xlGc+1IJ wVgvW5GOFBmqqE8Y92NkLaEZGq2V9TQ/rJyCAhKWXgxvKbWPJdV+uv/oUcDDfH6vpVDfcApXWQy 3zohH7WxD2DY40ISkHnDn3z9oiR6Zrq83xdi8779j0K+G4FSSEtsZLlyZpDa1O1MYcd+F7GiHlb GgqiCh6VQFbwp3yOup1d9+KmTNjQTgMjmNzarsFpcbmk89mOGHWuG0eQtkb52QKeLJydvAkZiZN dVcOBsO7KTscc5spRyUMzhTIncQc6lPJ4tMuU4sQZQYFTP0m2KPeug== X-Received: by 2002:a53:d884:0:b0:667:b238:873a with SMTP id 956f58d0204a3-668a4fb48f6mr21492d50.86.1784752292125; 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: linux-kernel@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