From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC5E248AE0B for ; Tue, 5 May 2026 16:06:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777997191; cv=none; b=uNQ+ZT3euwViRqKQhLI5zo0pjiQfuAe+r/I1GzsFiGTK6w38gaC1HM/2cgiS8VH3MokAXJ3A/67COh3veRLESXAdiTgL5zc0vngMGGO11upIYhBJ3fUyOZWR+tOCf8UcTZd6NovYxHfXtuGOCRRChw+Qdw8GP7WR9weu/aUm9xI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777997191; c=relaxed/simple; bh=s0a1FjNhS9AzlMuS0v730wkh8+Mf9/cJKGztcs8gosw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U8I1BNySFki1CoKsXEJ4SmrUlV4W7iDgwgVi6yZIlO4TD8h/4nUlNLEf35ywcCXD61wQ7qAYd5L2dUjxAd7YeKN43oK46vsLJJL+Rfyj3ttZ2EvOG9SBAynVMlnlnujxVI8+2P66aS9kZAXXVFHnen/hVG8OT6FgnxuHep1JaT8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZrSjXR34; arc=none smtp.client-ip=209.85.221.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZrSjXR34" Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-43d73422431so5127057f8f.2 for ; Tue, 05 May 2026 09:06:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1777997188; x=1778601988; 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; bh=+bw/a4OrYGymLdr8R52mjU12m0LbF359cidTN+DYJNE=; b=ZrSjXR34pJoubTc1FDuKT9UWcFQnUXM2DAAN0qKqZPMBC+te67+V/Ek0YRxUNSLCE1 7dcGU9PtY+EzTJth0czOYTtewS3KSHq+kNJnOTJoLiNu+rsqnk8A8e+XRQxuFGovexUA d0bRL1jQQ4jOJinSR7q5h4gmbVdCIg/SnvsgQ3IeNbqLFRH/VV4KQTWwI47wIBtTP6aQ cdzV8icM3wWIOha52Ic0FjiCJRmxORcX73skCxDK32KZz4cV2TszV83pNvBzW3rtX+cr XDj3QAippWLT/IWF9eg/L8FYBqfpBxN5DKyQZZW1VLVpLbak0anOrsP9MX5fiGz2dcTd qIBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777997188; x=1778601988; 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; bh=+bw/a4OrYGymLdr8R52mjU12m0LbF359cidTN+DYJNE=; b=fJZPKswWDWSNhegACeLv3FhwvAK+A/FhsDoPBkF9Hi8J7c8F8ySuEYUP7nOfIzvrRt RTnvfW4ODMB4d4/dRdn+ZGa5F8AfMZG4GFMmz/vnKFDmmjR3YAswI5hNkD0zvZ0RnvIv UJiKyzt15rS5uXg+HJ+dwOm6QMWUxGWP4gNPbfN+qcR5dhCWXa23DIb5mOhWODGxWMJc NPZagP+fBJdYtp3gDCS80fO4FJYeh3dS7VhpDxbdBfI/mYxz0M2Q0Qpab20eOoEZQ3cr 58wOzpBv63ik/GE+QM+2xMocuy5+WfO/0SXOel3bYg7fFG06S/jn/zwwFsIwOiICHuT7 HePw== X-Forwarded-Encrypted: i=1; AFNElJ8tixUJanymTfzqcnjI6oDt0dFi8jza9I2eoz/o9soPYxGD7PCMwas4XUK/lZ4ssRplEt4WRGbQlohLel0=@vger.kernel.org X-Gm-Message-State: AOJu0YwXA9bkivJruIbAVhhl/nWfvr/g4LQAcKtTTsG39aHa36CGRL3+ 3U/Fg/kIAMx/qMmmi0SvG+BftfGkw4oWZ18vzSzGtVmUp6Q0R9jB3VgQ X-Gm-Gg: AeBDiesqlu0/sDR7HeYvADSmBhxpNZQBZd0IPZWoM/1yH7C6HR0v42SvlggihL77L/b nes0SNxv+0SnLT3+7lkfdFV70C/mLYmysDbL4KrSyb1xeE5v6UzxiiKpZa56EAkCv6LA6IWzg0o MlmzS7oytxTyImCmozbNNcqEvAWZWj+09zELfd2tuL/LNuvMUnkKizM0LgZIx5wAnv5M4IlOTJ8 IJXHnh5dvi/j1u4/B4Xreu2lntr2lZ/s9vwKB8nJEelhnq1gp8QjkYUanrSYBAL6owmk3v8Z/3x WfSXEej0oA42SC5ILqZj9HWj2oH8KX47o7a/53D7XDM6HGkeY4beEzOGqvNv7bhJOa0hNo21vm/ 8SgfL5GE7OqclGdD8yRDEWBS7/gc5qeaOs6qqjrSeAlDPX4lGuI7UMEJchGmkRRewAlUC1rDZ7y FwfoXecOUBd5BD9PNZFVXfHPGX+BUW0U/S5fUbt9B5NcRai4g/nhUEhyqXpbdIUgUKjqFuc5b4h Czy7E4= X-Received: by 2002:a05:6000:1acf:b0:43f:ea25:c965 with SMTP id ffacd0b85a97d-44bb6205eb6mr24336002f8f.32.1777997188159; Tue, 05 May 2026 09:06:28 -0700 (PDT) Received: from mamamia.internal (a89-182-137-143.net-htp.de. [89.182.137.143]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45055d36dacsm5398891f8f.32.2026.05.05.09.06.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 09:06:27 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c04 eeprom Date: Tue, 5 May 2026 18:06:16 +0200 Message-ID: <20260505160623.1369347-3-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260505160623.1369347-1-a.heider@gmail.com> References: <20260505160623.1369347-1-a.heider@gmail.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 and add the connected 24c04 EEPROM. It contains an ONIE TLV table: => tlv_eeprom TLV: 0 [ 12.162] TlvInfo Header: [ 12.162] Id String: TlvInfo [ 12.165] Version: 1 [ 12.168] Total Length: 58 [ 12.171] TLV Name Code Len Value [ 12.175] -------------------- ---- --- ----- [ 12.179] Product Name 0x21 16 k1-x_MUSE-Pi-Pro [ 12.184] Serial Number 0x23 17 BPMIMXXXXXXXXXXXX [ 12.189] Unknown 0x41 1 0x02 [ 12.194] Base MAC Address 0x24 6 FE:FE:FE:XX:XX:XX [ 12.199] MAC Addresses 0x2A 2 2 [ 12.203] CRC-32 0xFE 4 0x395ECD34 [ 12.207] Checksum is valid. (With 0x41 as TLV_CODE_DDR_CSNUM) Signed-off-by: Andre Heider --- .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 07eef3274192c..8bb85b5ba1943 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -17,6 +17,7 @@ / { aliases { ethernet0 = ð0; serial0 = &uart0; + i2c2 = &i2c2; i2c8 = &i2c8; }; @@ -92,6 +93,38 @@ &pdma { status = "okay"; }; +&i2c2 { + pinctrl-0 = <&i2c2_0_cfg>; + pinctrl-names = "default"; + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + vcc-supply = <&buck3_1v8>; /* EEPROM_VCC1V8 */ + pagesize = <8>; + read-only; + size = <256>; + + nvmem-layout { + compatible = "onie,tlv-layout"; + + product-name { + }; + + serial-number { + }; + + mac-address { + #nvmem-cell-cells = <1>; + }; + + num-macs { + }; + }; + }; +}; + &i2c8 { pinctrl-0 = <&i2c8_cfg>; pinctrl-names = "default"; @@ -126,7 +159,7 @@ buck2 { regulator-always-on; }; - buck3 { + buck3_1v8: buck3 { regulator-min-microvolt = <500000>; regulator-max-microvolt = <1800000>; regulator-ramp-delay = <5000>; -- 2.53.0