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| 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 | + |
| 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 | + }; |
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