From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 5146841F7EF for ; Mon, 13 Jul 2026 13:12:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783948356; cv=none; b=aGkEcLthNGIiPwv+0SZRtTw3jhFMGk4fW2LYHjt8HVo3YBJknFpUQp7mU90e2LSdxd0AzfMz/wIY2s2VNIYEIBE6yc0NL0gPu0NUa9MktWVeX+EY+wz7gYNsmoSXKyVao1NFHHCFnzrMk8OC7yRsxBS++otMPmcPWCx9+4miVA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783948356; c=relaxed/simple; bh=EH/+VCZq3ED/37BZ1BBbanXdtr+T1t4fbqUlDmxF/mA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uh+l/NqQrkILQjb0tLK2yCgNRQT430ygnbBI8YXYbhu63JXqPxdOH6jlXyY+9acSDuH79PpxETtQMjEqQOxIh9kazEHufOZL+JURhQyVpjkhf2tM1b1FKnE0jBmJItLqcXG6eAxgpLU+80ho/tvFSYyCoI41IvP3c0zJU8eF2y8= 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=LNyiHWef; arc=none smtp.client-ip=209.85.128.49 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="LNyiHWef" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-493bc8fda98so19615545e9.0 for ; Mon, 13 Jul 2026 06:12:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783948354; x=1784553154; 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=pJEMN9Bxqzoa18JvT1zUQAFrvTQjV4LBUzDIS8cV2Oc=; b=LNyiHWefdZ8EiXm2Em/Ek0Dn1FyOQCBwKloEmV1iX52RI3a+Z3WmqjFTJEuDnRLrz9 ejbWnryPEO9OOz67CP/AaxermpvhBGSqc22cZ5YB30QZVZNdr83czRoaWsyORIxQh15q +CpNzg9Bt1OFxBIlLj2lqXJvovI0PLAJM1eDm+8FWg3257oWoU61yvMoQ+jLhIWO9qUu C7lAmrVTX80cauOjDBdeQnvMGdJQSnWrLDdwIAOPhN7PSGXOLCtRG8hGthkB+M3dTDbW KGLAOGMMsXSKc0/v6jm0oahUyXS+QAPhtAw6irkhclnaGJPWEAF/VSMw6euc2zEAFnNQ DgYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783948354; x=1784553154; 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=pJEMN9Bxqzoa18JvT1zUQAFrvTQjV4LBUzDIS8cV2Oc=; b=VdT/nbo8cj/x2NnREGF2Oq7rldMAZDnGXF8QoIF3xlv+w4q7rea9hQQsaexAx0XcE7 Fy30q3/PG+FgDxXF0WIXvh2ImSho8ie+XZ544H+g+J3SKEd3s0oLuXA837WS8wxKat9V wgl4PLp06qy9MXpjCuHoOsXR5Am2rizlwfUTQEWcLY6fkUMQpDVP/j8puTFr4fDihiil LqM0EHW7lFlfASzVGC3rP0YzbGpNzQA7SSEwfVI4cPli9V52yVlUySyEIW6+rKgLBdGe vQc2WpJjB0hCgzObhN80N7pg5XP2VBXid7J53UnlfDXHDISudd9FwUm0LSNzMrC/coDV t0KA== X-Gm-Message-State: AOJu0YzvU7hkRbgd77qxmyqNjmeE7m02jfjPiIVuhEZjA/lDOAaO5rv6 ciOTRbWED2LNWtG86YSTErVQXSMLQtNdN3fITM/MRi6g0+YvBP9e70TQKuU1nA== X-Gm-Gg: AfdE7clkPAPps5jMiTrH0epbcg2FI6Rd9waes/tCJU2vi2GYfloPrsLInzjIREEgZtU i4p+ayBphshkW1yu34XgNMcovzwc2UtjHCV0PFLhfUtyGOdkpWcSfqJSaCkBBjlFw4AUHBlnQhC 7yWiR5j1/ocSSaDJCI9uZjIEcGxNkOEjT2uX2ggA1iAK/T0T3r8NSXTBx3pEp9h725STzSwEjQ+ gw8Eko9XsQo6GxNQDE3Orf49i9NFB6XHoasYrZ63yk1pgocTptZxo+D3CrtsCjFQTK/DvjgMXd2 bKbWs5OTPD3glsPW3ZrJjkF7HF18L/+PK1PVJRKk74WJlNhBwJ0aabgZheVhtMrufdKLZV72NDT sNrni80yAjs5DFN8uQAXtUVxdP+MmwBYZUUQLFwrOr+hWEHrBqWsIj+5Rdi3Vg6sFIOlmIthT/q kgxo7vG3uJyyzK X-Received: by 2002:a05:600c:34c9:b0:493:f826:89a6 with SMTP id 5b1f17b1804b1-493f87806ddmr92802855e9.0.1783948353471; Mon, 13 Jul 2026 06:12:33 -0700 (PDT) Received: from NB-6746.. ([188.243.183.76]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493eb6f3dcdsm354106345e9.3.2026.07.13.06.12.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2026 06:12:33 -0700 (PDT) From: Artem Shimko To: netdev@vger.kernel.org, Andrew Lunn , Heiner Kallweit , Russell King , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Artem Shimko , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH net-next 1/2] dt-bindings: net: add DAPU Telecom DAP8211R(I) PHY binding Date: Mon, 13 Jul 2026 16:12:22 +0300 Message-ID: <20260713131223.279555-2-a.shimko.dev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260713131223.279555-1-a.shimko.dev@gmail.com> References: <20260713131223.279555-1-a.shimko.dev@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device tree binding documentation for the DAPU Telecom DAP8211R(I) Gigabit Ethernet PHY. The PHY supports TX and RX clock delays in 150 ps steps from 0 to 2250 ps, with a default of 1950 ps if not specified. The tx-inverted-clk flag provides a vendor-specific extension for boards where PCB trace length or MAC requirements necessitate 180-degree clock phase shift. Signed-off-by: Artem Shimko --- .../bindings/net/dapu,dap8211r.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dapu,dap8211r.yaml diff --git a/Documentation/devicetree/bindings/net/dapu,dap8211r.yaml b/Documentation/devicetree/bindings/net/dapu,dap8211r.yaml new file mode 100644 index 000000000000..208a82f779d6 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dapu,dap8211r.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dapu,dap8211r.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DAPU Telecom DAP8211R(I) Gigabit Ethernet PHY + +maintainers: + - Artem Shimko + +description: | + The DAP8211R(I) is a Gigabit Ethernet PHY with RGMII interface, + supporting IEEE 802.3az Energy Efficient Ethernet, IEEE 1588 SyncE, + and an internal packet generator for diagnostics. + + Specifications: + - 10BASE-Te, 100BASE-TX, 1000BASE-T + - RGMII with configurable TX/RX clock delays (150 ps steps, 0-2250 ps) + - IEEE 802.3az-2010 Energy Efficient Ethernet + - IEEE 1588 SyncE support + - Internal packet generator and checker for link diagnostics + +allOf: + - $ref: ethernet-phy.yaml# + +properties: + compatible: + const: ethernet-phy-id0008.011b + + reg: + maxItems: 1 + + rx-internal-delay-ps: + description: + RGMII RX clock delay in picoseconds. The PHY supports 150 ps steps + from 0 to 2250 ps. If not specified, defaults to 1950 ps. If the + requested value does not exactly match a supported step, the driver + selects the nearest supported value and issues a warning. + enum: [0, 150, 300, 450, 600, 750, 900, 1050, 1200, 1350, 1500, + 1650, 1800, 1950, 2100, 2250] + default: 1950 + + tx-internal-delay-ps: + description: + RGMII TX clock delay in picoseconds. The PHY supports 150 ps steps + from 0 to 2250 ps. If not specified, defaults to 1950 ps. If the + requested value does not exactly match a supported step, the driver + selects the nearest supported value and issues a warning. + enum: [0, 150, 300, 450, 600, 750, 900, 1050, 1200, 1350, 1500, + 1650, 1800, 1950, 2100, 2250] + default: 1950 + + tx-inverted-clk: + $ref: /schemas/types.yaml#/definitions/flag + description: + If present, the RGMII TX clock to the MAC is inverted (180 degree + phase shift relative to the data lines). This is a vendor-specific + extension for boards where PCB trace length or MAC requirements + necessitate clock inversion. Only use this property after hardware + signal integrity validation. + +unevaluatedProperties: false + +examples: + - | + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + rx-internal-delay-ps = <1050>; + tx-internal-delay-ps = <1150>; + tx-inverted-clk; + }; + }; \ No newline at end of file -- 2.43.0