| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/net/amlogic,g12a-mdio-mux.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MDIO bus multiplexer/glue of Amlogic G12a SoC family |
| 8 | |
| 9 | description: |
| 10 | This is a special case of a MDIO bus multiplexer. It allows to choose between |
| 11 | the internal mdio bus leading to the embedded 10/100 PHY or the external |
| 12 | MDIO bus. |
| 13 | |
| 14 | maintainers: |
| 15 | - Neil Armstrong <neil.armstrong@linaro.org> |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: mdio-mux.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | const: amlogic,g12a-mdio-mux |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | clocks: |
| 28 | items: |
| 29 | - description: peripheral clock |
| 30 | - description: platform crytal |
| 31 | - description: SoC 50MHz MPLL |
| 32 | |
| 33 | clock-names: |
| 34 | items: |
| 35 | - const: pclk |
| 36 | - const: clkin0 |
| 37 | - const: clkin1 |
| 38 | |
| 39 | required: |
| 40 | - compatible |
| 41 | - reg |
| 42 | - clocks |
| 43 | - clock-names |
| 44 | |
| 45 | unevaluatedProperties: false |
| 46 | |
| 47 | examples: |
| 48 | - | |
| 49 | #include <dt-bindings/interrupt-controller/irq.h> |
| 50 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 51 | mdio-multiplexer@4c000 { |
| 52 | compatible = "amlogic,g12a-mdio-mux"; |
| 53 | reg = <0x4c000 0xa4>; |
| 54 | clocks = <&clkc_eth_phy>, <&xtal>, <&clkc_mpll>; |
| 55 | clock-names = "pclk", "clkin0", "clkin1"; |
| 56 | mdio-parent-bus = <&mdio0>; |
| 57 | #address-cells = <1>; |
| 58 | #size-cells = <0>; |
| 59 | |
| 60 | mdio@0 { |
| 61 | reg = <0>; |
| 62 | #address-cells = <1>; |
| 63 | #size-cells = <0>; |
| 64 | }; |
| 65 | |
| 66 | mdio@1 { |
| 67 | reg = <1>; |
| 68 | #address-cells = <1>; |
| 69 | #size-cells = <0>; |
| 70 | |
| 71 | ethernet-phy@8 { |
| 72 | compatible = "ethernet-phy-id0180.3301", |
| 73 | "ethernet-phy-ieee802.3-c22"; |
| 74 | interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; |
| 75 | reg = <8>; |
| 76 | max-speed = <100>; |
| 77 | }; |
| 78 | }; |
| 79 | }; |
| 80 | ... |