| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/net/amlogic,g12a-mdio-mux.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: MDIO bus multiplexer/glue of Amlogic G12a SoC family |
| |
| 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. |
| |
| maintainers: |
| - Neil Armstrong <neil.armstrong@linaro.org> |
| |
| allOf: |
| - $ref: mdio-mux.yaml# |
| |
| properties: |
| compatible: |
| const: amlogic,g12a-mdio-mux |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| items: |
| - description: peripheral clock |
| - description: platform crytal |
| - description: SoC 50MHz MPLL |
| |
| clock-names: |
| items: |
| - const: pclk |
| - const: clkin0 |
| - const: clkin1 |
| |
| required: |
| - compatible |
| - reg |
| - clocks |
| - clock-names |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| mdio-multiplexer@4c000 { |
| compatible = "amlogic,g12a-mdio-mux"; |
| reg = <0x4c000 0xa4>; |
| clocks = <&clkc_eth_phy>, <&xtal>, <&clkc_mpll>; |
| clock-names = "pclk", "clkin0", "clkin1"; |
| mdio-parent-bus = <&mdio0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| mdio@0 { |
| reg = <0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |
| |
| mdio@1 { |
| reg = <1>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| ethernet-phy@8 { |
| compatible = "ethernet-phy-id0180.3301", |
| "ethernet-phy-ieee802.3-c22"; |
| interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; |
| reg = <8>; |
| max-speed = <100>; |
| }; |
| }; |
| }; |
| ... |