xref: /freebsd/sys/contrib/device-tree/Bindings/net/asix,ax88796c.yaml (revision 2e3507c25e42292b45a5482e116d278f5515d04d) 
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  - $ref: /schemas/spi/spi-peripheral-props.yaml
23
24properties:
25  compatible:
26    const: asix,ax88796c
27
28  reg:
29    maxItems: 1
30
31  spi-max-frequency:
32    maximum: 40000000
33
34  interrupts:
35    maxItems: 1
36
37  reset-gpios:
38    description:
39      A GPIO line handling reset of the chip. As the line is active low,
40      it should be marked GPIO_ACTIVE_LOW.
41    maxItems: 1
42
43  controller-data: true
44  local-mac-address: true
45  mac-address: true
46
47required:
48  - compatible
49  - reg
50  - spi-max-frequency
51  - interrupts
52  - reset-gpios
53
54additionalProperties: false
55
56examples:
57  # Artik5 eval board
58  - |
59    #include <dt-bindings/interrupt-controller/irq.h>
60    #include <dt-bindings/gpio/gpio.h>
61    spi {
62        #address-cells = <1>;
63        #size-cells = <0>;
64
65        ethernet@0 {
66            compatible = "asix,ax88796c";
67            reg = <0x0>;
68            local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
69            interrupt-parent = <&gpx2>;
70            interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
71            spi-max-frequency = <40000000>;
72            reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
73        };
74    };
75