| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/net/rockchip,emac.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Rockchip RK3036/RK3066/RK3188 Ethernet Media Access Controller (EMAC) |
| 8 | |
| 9 | maintainers: |
| 10 | - Heiko Stuebner <heiko@sntech.de> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | enum: |
| 15 | - rockchip,rk3036-emac |
| 16 | - rockchip,rk3066-emac |
| 17 | - rockchip,rk3188-emac |
| 18 | |
| 19 | reg: |
| 20 | maxItems: 1 |
| 21 | |
| 22 | interrupts: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | clocks: |
| 26 | minItems: 2 |
| 27 | items: |
| 28 | - description: host clock |
| 29 | - description: reference clock |
| 30 | - description: mac TX/RX clock |
| 31 | |
| 32 | clock-names: |
| 33 | minItems: 2 |
| 34 | items: |
| 35 | - const: hclk |
| 36 | - const: macref |
| 37 | - const: macclk |
| 38 | |
| 39 | rockchip,grf: |
| 40 | $ref: /schemas/types.yaml#/definitions/phandle |
| 41 | description: |
| 42 | Phandle to the syscon GRF used to control speed and mode for the EMAC. |
| 43 | |
| 44 | phy-supply: |
| 45 | description: |
| 46 | Phandle to a regulator if the PHY needs one. |
| 47 | |
| 48 | mdio: |
| 49 | $ref: mdio.yaml# |
| 50 | unevaluatedProperties: false |
| 51 | |
| 52 | required: |
| 53 | - compatible |
| 54 | - reg |
| 55 | - interrupts |
| 56 | - clocks |
| 57 | - clock-names |
| 58 | - rockchip,grf |
| 59 | - phy |
| 60 | - phy-mode |
| 61 | - mdio |
| 62 | |
| 63 | allOf: |
| 64 | - $ref: ethernet-controller.yaml# |
| 65 | - if: |
| 66 | properties: |
| 67 | compatible: |
| 68 | contains: |
| 69 | const: rockchip,rk3036-emac |
| 70 | |
| 71 | then: |
| 72 | properties: |
| 73 | clocks: |
| 74 | minItems: 3 |
| 75 | |
| 76 | clock-names: |
| 77 | minItems: 3 |
| 78 | |
| 79 | else: |
| 80 | properties: |
| 81 | clocks: |
| 82 | maxItems: 2 |
| 83 | |
| 84 | clock-names: |
| 85 | maxItems: 2 |
| 86 | |
| 87 | unevaluatedProperties: false |
| 88 | |
| 89 | examples: |
| 90 | - | |
| 91 | #include <dt-bindings/clock/rk3188-cru-common.h> |
| 92 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 93 | |
| 94 | ethernet@10204000 { |
| 95 | compatible = "rockchip,rk3188-emac"; |
| 96 | reg = <0xc0fc2000 0x3c>; |
| 97 | interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; |
| 98 | clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>; |
| 99 | clock-names = "hclk", "macref"; |
| 100 | rockchip,grf = <&grf>; |
| 101 | pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>; |
| 102 | pinctrl-names = "default"; |
| 103 | phy = <&phy0>; |
| 104 | phy-mode = "rmii"; |
| 105 | phy-supply = <&vcc_rmii>; |
| 106 | |
| 107 | mdio { |
| 108 | #address-cells = <1>; |
| 109 | #size-cells = <0>; |
| 110 | |
| 111 | phy0: ethernet-phy@0 { |
| 112 | reg = <1>; |
| 113 | }; |
| 114 | }; |
| 115 | }; |