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([188.243.183.76]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a09c6566b3sm5355731a12.23.2026.08.03.03.17.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 03:17:41 -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 , Maxime Chevallier Cc: Artem Shimko , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH net-next v5 2/3] dt-bindings: net: add DAPU Telecom DAP8211R(I) PHY binding Date: Mon, 3 Aug 2026 13:17:33 +0300 Message-ID: <20260803101734.270821-3-a.shimko.dev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260803101734.270821-1-a.shimko.dev@gmail.com> References: <20260803101734.270821-1-a.shimko.dev@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 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. Signed-off-by: Artem Shimko --- .../bindings/net/dapu,dap8211r.yaml | 62 +++++++++++++++++++ 1 file changed, 62 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..fb78fa4f58ca --- /dev/null +++ b/Documentation/devicetree/bindings/net/dapu,dap8211r.yaml @@ -0,0 +1,62 @@ +# 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 (0 to maximum). + multipleOf: 150 + maximum: 2250 + default: 1950 + + tx-internal-delay-ps: + description: + RGMII TX clock delay in picoseconds (0 to maximum). + multipleOf: 150 + maximum: 2250 + default: 1950 + +unevaluatedProperties: false + +examples: + - | + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-phy@1 { + compatible = "ethernet-phy-id0008.011b"; + reg = <1>; + rx-internal-delay-ps = <2100>; + tx-internal-delay-ps = <2100>; + }; + }; -- 2.43.0