| 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/smsc,lan9115.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Shawn Guo <shawnguo@kernel.org> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: ethernet-controller.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | oneOf: |
| 18 | - const: smsc,lan9115 |
| 19 | - items: |
| 20 | - enum: |
| 21 | - smsc,lan89218 |
| 22 | - smsc,lan9117 |
| 23 | - smsc,lan9118 |
| 24 | - smsc,lan9220 |
| 25 | - smsc,lan9221 |
| 26 | - const: smsc,lan9115 |
| 27 | |
| 28 | reg: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | reg-shift: true |
| 32 | |
| 33 | reg-io-width: |
| 34 | enum: [ 2, 4 ] |
| 35 | default: 2 |
| 36 | |
| 37 | interrupts: |
| 38 | minItems: 1 |
| 39 | items: |
| 40 | - description: |
| 41 | LAN interrupt line |
| 42 | - description: |
| 43 | Optional PME (power management event) interrupt that is able to wake |
| 44 | up the host system with a 50ms pulse on network activity |
| 45 | |
| 46 | clocks: |
| 47 | maxItems: 1 |
| 48 | |
| 49 | phy-mode: true |
| 50 | |
| 51 | smsc,irq-active-high: |
| 52 | type: boolean |
| 53 | description: Indicates the IRQ polarity is active-high |
| 54 | |
| 55 | smsc,irq-push-pull: |
| 56 | type: boolean |
| 57 | description: Indicates the IRQ type is push-pull |
| 58 | |
| 59 | smsc,force-internal-phy: |
| 60 | type: boolean |
| 61 | description: Forces SMSC LAN controller to use internal PHY |
| 62 | |
| 63 | smsc,force-external-phy: |
| 64 | type: boolean |
| 65 | description: Forces SMSC LAN controller to use external PHY |
| 66 | |
| 67 | smsc,save-mac-address: |
| 68 | type: boolean |
| 69 | description: |
| 70 | Indicates that MAC address needs to be saved before resetting the |
| 71 | controller |
| 72 | |
| 73 | reset-gpios: |
| 74 | maxItems: 1 |
| 75 | description: |
| 76 | A GPIO line connected to the RESET (active low) signal of the device. |
| 77 | On many systems this is wired high so the device goes out of reset at |
| 78 | power-on, but if it is under program control, this optional GPIO can |
| 79 | wake up in response to it. |
| 80 | |
| 81 | vdd33a-supply: |
| 82 | description: 3.3V analog power supply |
| 83 | |
| 84 | vddvario-supply: |
| 85 | description: IO logic power supply |
| 86 | |
| 87 | required: |
| 88 | - compatible |
| 89 | - reg |
| 90 | - interrupts |
| 91 | |
| 92 | # There are lots of bus-specific properties ("qcom,*", "samsung,*", "fsl,*", |
| 93 | # "gpmc,*", ...) to be found, that actually depend on the compatible value of |
| 94 | # the parent node. |
| 95 | additionalProperties: true |
| 96 | |
| 97 | examples: |
| 98 | - | |
| 99 | #include <dt-bindings/gpio/gpio.h> |
| 100 | |
| 101 | ethernet@f4000000 { |
| 102 | compatible = "smsc,lan9220", "smsc,lan9115"; |
| 103 | reg = <0xf4000000 0x2000000>; |
| 104 | phy-mode = "mii"; |
| 105 | interrupt-parent = <&gpio1>; |
| 106 | interrupts = <31>, <32>; |
| 107 | reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>; |
| 108 | reg-io-width = <4>; |
| 109 | smsc,irq-push-pull; |
| 110 | }; |