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Miller" , Jakub Kicinski , Rob Herring , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Manivannan Sadhasivam , Philipp Zabel Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] dt-bindings: net: Add Actions Semi Owl Ethernet MAC binding Date: Thu, 11 Mar 2021 03:20:12 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add devicetree binding for the Ethernet MAC present on the Actions Semi Owl family of SoCs. For the moment enable only the support for the Actions Semi S500 SoC variant. Signed-off-by: Cristian Ciocaltea --- .../bindings/net/actions,owl-emac.yaml | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/actions,owl-emac.yaml diff --git a/Documentation/devicetree/bindings/net/actions,owl-emac.yaml b/Documentation/devicetree/bindings/net/actions,owl-emac.yaml new file mode 100644 index 000000000000..d5a0da0d20bc --- /dev/null +++ b/Documentation/devicetree/bindings/net/actions,owl-emac.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/actions,owl-emac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl SoCs Ethernet MAC Controller + +maintainers: + - Cristian Ciocaltea + +description: | + This Ethernet MAC is used on the Owl family of SoCs from Actions Semi. + It is compliant with the IEEE 802.3 CSMA/CD standard and supports both + half-duplex and full-duplex operation modes at 10/100 Mb/s. + +allOf: + - $ref: "ethernet-controller.yaml#" + +properties: + compatible: + oneOf: + - const: actions,owl-emac + - items: + - enum: + - actions,s500-emac + - const: actions,owl-emac + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + additionalItems: false + items: + - const: eth + - const: rmii + + resets: + maxItems: 1 + + actions,ethcfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the device containing custom config. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - phy-mode + - phy-handle + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + ethernet@b0310000 { + compatible = "actions,s500-emac", "actions,owl-emac"; + reg = <0xb0310000 0x10000>; + interrupts = ; + clocks = <&cmu 59 /*CLK_ETHERNET*/>, <&cmu CLK_RMII_REF>; + clock-names = "eth", "rmii"; + resets = <&cmu RESET_ETHERNET>; + phy-handle = <ð_phy>; + phy-mode = "rmii"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + eth_phy: ethernet-phy@3 { + reg = <0x3>; + interrupt-parent = <&sirq>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + }; + }; + }; -- 2.30.2