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[82.65.169.74]) by smtp.googlemail.com with ESMTPSA id h19-20020a05600c351300b003d9a86a13bfsm35923491wmq.28.2023.01.16.01.16.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Jan 2023 01:16:54 -0800 (PST) From: Jerome Brunet To: netdev@vger.kernel.org, "David S. Miller" Cc: Jerome Brunet , linux-amlogic@lists.infradead.org, Kevin Hilman , Neil Armstrong , Da Xue , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 1/2] dt-bindings: net: add amlogic gxl mdio multiplexer Date: Mon, 16 Jan 2023 10:16:35 +0100 Message-Id: <20230116091637.272923-2-jbrunet@baylibre.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116091637.272923-1-jbrunet@baylibre.com> References: <20230116091637.272923-1-jbrunet@baylibre.com> MIME-Version: 1.0 X-Patchwork-Bot: notify X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755170951098057971?= X-GMAIL-MSGID: =?utf-8?q?1755170951098057971?= Add documentation for the MDIO bus multiplexer found on the Amlogic GXL SoC family Signed-off-by: Jerome Brunet Reviewed-by: Krzysztof Kozlowski --- .../bindings/net/amlogic,gxl-mdio-mux.yaml | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml diff --git a/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml b/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml new file mode 100644 index 000000000000..d21bce695fa9 --- /dev/null +++ b/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/amlogic,gxl-mdio-mux.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic GXL MDIO bus multiplexer + +maintainers: + - Jerome Brunet + +description: + This is a special case of a MDIO bus multiplexer. It allows to choose between + the internal mdio bus leading to the embedded 10/100 PHY or the external + MDIO bus on the Amlogic GXL SoC family. + +allOf: + - $ref: mdio-mux.yaml# + +properties: + compatible: + const: amlogic,gxl-mdio-mux + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: ref + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + eth_phy_mux: mdio@558 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "amlogic,gxl-mdio-mux"; + clocks = <&refclk>; + clock-names = "ref"; + reg = <0x558 0xc>; + mdio-parent-bus = <&mdio0>; + + external_mdio: mdio@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; + }; + + internal_mdio: mdio@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1>; + }; + };