From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.221.44 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792582477; b=N3dpQ4BPlcAc6qtJdGfq9y8e0Lttb451o/fWq+FEWjA7KYCW5p0vkqThzMHMnSm9pnqu jHMV8gUHzcqizKBtYHnqvjjEy8j3kY74P6VHUkl0FpmGV1ZC3A1M3BaqegsBt8nJiUFfd RCjiFN9pojwBwfgX3K5RsJWV0o0C9ZY2b1GJlcq/t2f/XUr576G+WlpLC/ZKJiiFlK4hS vlOmL1iYJrWA+Q6FymlerGQTzko3CBkiLOpUKMsh3RPz/49d7cnjshY0M05clp0cIH6cC jNldR5rFxb/sPj6+CJfHEHBQskf/EY1wByvuWPuqYdB3vBZmzPbX/G+W6MFDtFptXnw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792582477; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: From:To:Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding; bh=e+ciZeljp4XbV+7Ul/HTP2zfMzICzcEEGNyLNPo0cRI=; b=ovyd0XGM1g0EbKeEvPqAKGZKnudpz4zqFMQbB8gyEavhCsG3ik6sJaAOKe6DLpD3aAtg M92/legv/1jrYqNkhBdacnSoe2kZKe0Exx8HI4ntcsc6pTOmg182g6KCTTqPEp5xFu+br wBbEiVaAnObn/Z3ebMY0UJ9v95stltCtdrx3ueVJOdt0wULcIDEaYWaCy1bAcygYEPhT5 2cvtOdAaIet2uQgOfqeZCJm5eOAhNz/K8uCTHZFBBNYa6BMNuG7QbVqrpyOx1nts8Ha0w kzVFvTp7+H5pMik+cWueaDwx1JC12TExkTT2mB8UBmrpnDAetl6ChKX3FhrmX7zvPUQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b=PwqR7+SE; arc=none smtp.remote-ip=209.85.221.44 Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1B4F606A322 for ; Wed, 21 Oct 2026 11:34:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org B1B4F606A322 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, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b=PwqR7+SE Received: by mail-wr1-f44.google.com with SMTP id ffacd0b85a97d-48e20ed3b9dso626327f8f.2 for ; Wed, 21 Oct 2026 04:34:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1792582475; x=1793187275; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to:content-type; bh=e+ciZeljp4XbV+7Ul/HTP2zfMzICzcEEGNyLNPo0cRI=; b=PwqR7+SEfDE00LHg4c6TRp/whilgLicIH9x0KLuJDLz6mDthbM7bchork4oSUc81ng hALl3itrm02INZTTCzLc2RdczMaWHwhYOv0kJhdbCatYSwptUuOy/HTGu40yfyE0jtOG fzThuyYZibmqMqOj24UT0s9+iyvHzDtjh8+RIMKG3fXZUQTfBLFQvPRX2ipzDimQvR2g EnoGXlas70SxzBZDY1o7/Fz2+EOLGzeo7HF9YetHEK3WN5n4Nqg33sEykBzHaffOzjzk U9sMBK3RGjSSGPXXDfLiTZFiablIHEM9K/y+UPLBohxP0Y/1bOHNWGClAMBYIJE4dh3v ubgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792582475; x=1793187275; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to:content-type; bh=e+ciZeljp4XbV+7Ul/HTP2zfMzICzcEEGNyLNPo0cRI=; b=pJqXh6wk97uF5ukfhcYkYN406W5SP0CHrfmcmR3n8+TsB9BfvpB9mlAf8zEGNRDgEH Jh4SH0aZ8UXLqoTyfC1MFxxXQXtECJiY5nFGDWGn2tMf5ho3PJ+7rC1LfVw6WPn7kq+E yKNNP1SYNPoRZz6Cl1dRDoJ4ciOHM6anT1j7DJUZ/ARfY1GlNSjIsTFCqExMOKbEVpUN Rmuw1CbKu3tD9/vF70gH6fwQcXpddCAgrFk+CGIZWyaQ7rhTzyIe7jOMBjb9+1947McW ZqF2YuA/RseIZv7OBMemJv4TdqJ8G8xDxV1/WilmmIp5mwY4Ob+bjjs6dJ+tstWcphy1 dz0A== X-Forwarded-Encrypted: i=1; AKwUvBxx1+wGbtu1Od6BJzcCYz8fAkO2OG80xpzxWDxZ4obEOxr3oHjykh8Xy2heFcf2sEgi/xR5/r0CulMiRrE=@vger.kernel.org X-Gm-Message-State: AFq9FYKhS4SpGhREP89iqmjRD/dbHRyZ4n3k+UzuJbtVGdl0/CvnYs6G azj+RkxjxrYbhKhcoAORCI6YcWGflFppiJMS5vozAQC6ebDe5sI3MxL0 X-Gm-Gg: AYBFou3gOoBGBL1VekA63rVKQVO/cG1a4kZhnl/zqReVrOClWpuc8LdXLTiUdvCAj8U gYB6giXL4kCe6VX67BeHU3QjRWbKirdGtbKPPgl9oBI/RNn5fVLFEaNWU7yEUu4Hz/WyVSoPKcA R1UepMZlG476fWs1nqwEe3yg6EgZ4aZXHA4NZCvPj8jh2Eaapuic8XlDBFEEOlxV5a/LsKf9rfA 9LxxfHt4HDdbZu3Fkkps0XEa5qpzGHbt8SMN7MVSajMUj30rkto1Afywnc15oeXOL5mIfu+ncPR owyelxgogW9JwsTudM74FT1xDetD+vjf6UsqVcGiUYMLSJlmf6GhbfdcFQynaYJrFWYHovcQNUj Qd7quY3IsmaPaCDHkMxMO1d7OiR7LazxLZ1zPhwad4XS/+D11XBkK7yj0OQYVTKuMlnOXbSkU5Z 04oD3gVfp5LCVCGG1ePpV/dAyrsJvNHCuztzgS4G0oSRXIFvuYC2OUZrPRSPP9JFDB+wY90739S j7hfO4iFXsBpAdNctAugF9+QNPZgbkI1ByYPc76FdgHaBN7UtspPPTE7XVT1r/gn5j8ruVBCRbQ AN/lS588J9LZCPQgZuZhED2aByAJ9nJU4ur8+plL27IIxqoTB+r0WMOjBmUE X-Received: by 2002:a05:6000:4b0b:b0:48c:414f:cc12 with SMTP id ffacd0b85a97d-48e264d185bmr3297266f8f.40.1792582474839; Wed, 21 Oct 2026 04:34:34 -0700 (PDT) Received: from Ansuel-XPS24.localdomain (93-34-92-187.ip49.fastwebnet.it. [93.34.92.187]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-48e25833b9asm5068768f8f.33.2026.10.21.04.34.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Oct 2026 04:34:34 -0700 (PDT) From: Christian Marangi To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Christian Marangi , mfd@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RESEND PATCH 1/2] dt-bindings: mfd: Document support for Airoha AN8855 Switch SoC Date: Wed, 21 Oct 2026 13:34:16 +0200 Message-ID: <20261021113419.283015-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261021113419.283015-1-ansuelsmth@gmail.com> References: <20261021113419.283015-1-ansuelsmth@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Document support for Airoha AN8855 Switch SoC. This SoC expose various peripherals like an Ethernet Switch, a NVMEM provider and Ethernet PHYs. It does also support i2c and timers but those are not currently supported/used. Signed-off-by: Christian Marangi Reviewed-by: Rob Herring (Arm) --- .../bindings/mfd/airoha,an8855.yaml | 176 ++++++++++++++++++ 1 file changed, 176 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/airoha,an8855.yaml diff --git a/Documentation/devicetree/bindings/mfd/airoha,an8855.yaml b/Documentation/devicetree/bindings/mfd/airoha,an8855.yaml new file mode 100644 index 000000000000..48127e956c96 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/airoha,an8855.yaml @@ -0,0 +1,176 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/airoha,an8855.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha AN8855 Switch SoC + +maintainers: + - Christian Marangi + +description: > + Airoha AN8855 Switch is a SoC that expose various peripherals like an + Ethernet Switch, a NVMEM provider and Ethernet PHYs. + + It does also support i2c and timers but those are not currently + supported/used. + +properties: + compatible: + const: airoha,an8855 + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + efuse: + type: object + $ref: /schemas/nvmem/airoha,an8855-efuse.yaml + description: EFUSE exposed by the Airoha AN8855 SoC + + ethernet-switch: + type: object + $ref: /schemas/net/dsa/airoha,an8855-switch.yaml + description: Switch exposed by the Airoha AN8855 SoC + + mdio: + type: object + $ref: /schemas/net/mdio.yaml# + description: MDIO exposed by the Airoha AN8855 SoC + unevaluatedProperties: false + +required: + - compatible + - reg + - mdio + - ethernet-switch + +additionalProperties: false + +examples: + - | + #include + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + soc@1 { + compatible = "airoha,an8855"; + reg = <1>; + + reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>; + + efuse { + compatible = "airoha,an8855-efuse"; + + #nvmem-cell-cells = <0>; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + shift_sel_port0_tx_a: shift-sel-port0-tx-a@c { + reg = <0xc 0x4>; + }; + + shift_sel_port0_tx_b: shift-sel-port0-tx-b@10 { + reg = <0x10 0x4>; + }; + + shift_sel_port0_tx_c: shift-sel-port0-tx-c@14 { + reg = <0x14 0x4>; + }; + + shift_sel_port0_tx_d: shift-sel-port0-tx-d@18 { + reg = <0x18 0x4>; + }; + + shift_sel_port1_tx_a: shift-sel-port1-tx-a@1c { + reg = <0x1c 0x4>; + }; + + shift_sel_port1_tx_b: shift-sel-port1-tx-b@20 { + reg = <0x20 0x4>; + }; + + shift_sel_port1_tx_c: shift-sel-port1-tx-c@24 { + reg = <0x24 0x4>; + }; + + shift_sel_port1_tx_d: shift-sel-port1-tx-d@28 { + reg = <0x28 0x4>; + }; + }; + }; + + ethernet-switch { + compatible = "airoha,an8855-switch"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + label = "lan1"; + phy-mode = "internal"; + phy-handle = <&internal_phy1>; + }; + + port@1 { + reg = <1>; + label = "lan2"; + phy-mode = "internal"; + phy-handle = <&internal_phy2>; + }; + + port@5 { + reg = <5>; + label = "cpu"; + ethernet = <&gmac0>; + phy-mode = "2500base-x"; + + fixed-link { + speed = <2500>; + full-duplex; + pause; + }; + }; + }; + }; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + internal_phy1: ethernet-phy@1 { + compatible = "ethernet-phy-idc0ff.0410", + "ethernet-phy-ieee802.3-c22"; + reg = <1>; + + nvmem-cells = <&shift_sel_port0_tx_a>, + <&shift_sel_port0_tx_b>, + <&shift_sel_port0_tx_c>, + <&shift_sel_port0_tx_d>; + nvmem-cell-names = "tx_a", "tx_b", "tx_c", "tx_d"; + }; + + internal_phy2: ethernet-phy@2 { + compatible = "ethernet-phy-idc0ff.0410", + "ethernet-phy-ieee802.3-c22"; + reg = <2>; + + nvmem-cells = <&shift_sel_port1_tx_a>, + <&shift_sel_port1_tx_b>, + <&shift_sel_port1_tx_c>, + <&shift_sel_port1_tx_d>; + nvmem-cell-names = "tx_a", "tx_b", "tx_c", "tx_d"; + }; + }; + }; + }; -- 2.55.0