Bindings/net/smsc,lan9115.yaml

   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     };