xref: /freebsd/sys/contrib/device-tree/Bindings/net/asix,ax88796c.yaml (revision 2a58b312b62f908ec92311d1bd8536dbaeb8e55b) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/asix,ax88796c.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ASIX AX88796C SPI Ethernet Adapter
8
9maintainers:
10  - Łukasz Stelmach <l.stelmach@samsung.com>
11
12description: |
13  ASIX AX88796C is an Ethernet controller with a built in PHY. This
14  describes SPI mode of the chip.
15
16  The node for this driver must be a child node of an SPI controller,
17  hence all mandatory properties described in
18  ../spi/spi-controller.yaml must be specified.
19
20allOf:
21  - $ref: ethernet-controller.yaml#
22
23properties:
24  compatible:
25    const: asix,ax88796c
26
27  reg:
28    maxItems: 1
29
30  spi-max-frequency:
31    maximum: 40000000
32
33  interrupts:
34    maxItems: 1
35
36  reset-gpios:
37    description:
38      A GPIO line handling reset of the chip. As the line is active low,
39      it should be marked GPIO_ACTIVE_LOW.
40    maxItems: 1
41
42  local-mac-address: true
43
44  mac-address: true
45
46required:
47  - compatible
48  - reg
49  - spi-max-frequency
50  - interrupts
51  - reset-gpios
52
53additionalProperties: false
54
55examples:
56  # Artik5 eval board
57  - |
58    #include <dt-bindings/interrupt-controller/irq.h>
59    #include <dt-bindings/gpio/gpio.h>
60    spi0 {
61        #address-cells = <1>;
62        #size-cells = <0>;
63
64        ethernet@0 {
65            compatible = "asix,ax88796c";
66            reg = <0x0>;
67            local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
68            interrupt-parent = <&gpx2>;
69            interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
70            spi-max-frequency = <40000000>;
71            reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
72        };
73    };
74