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
7 title: ASIX AX88796C SPI Ethernet Adapter
8
9 maintainers:
10 - Ćukasz Stelmach <l.stelmach@samsung.com>
11
12 description: |
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
20 allOf:
21 - $ref: ethernet-controller.yaml#
22
23 properties:
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
46 required:
47 - compatible
48 - reg
49 - spi-max-frequency
50 - interrupts
51 - reset-gpios
52
53 additionalProperties: false
54
55 examples:
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 };
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