Bindings/net/davicom,dm9051.yaml


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/davicom,dm9051.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Davicom DM9051 SPI Ethernet Controller

maintainers:
  - Joseph CHANG <josright123@gmail.com>

description: |
  The DM9051 is a fully integrated and cost-effective low pin count single
  chip Fast Ethernet controller with a Serial Peripheral Interface (SPI).

allOf:
  - $ref: ethernet-controller.yaml#

properties:
  compatible:
    const: davicom,dm9051

  reg:
    maxItems: 1

  spi-max-frequency:
    maximum: 45000000

  interrupts:
    maxItems: 1

  local-mac-address: true

  mac-address: true

required:
  - compatible
  - reg
  - spi-max-frequency
  - interrupts

additionalProperties: false

examples:
  # Raspberry Pi platform
  - |
    /* for Raspberry Pi with pin control stuff for GPIO irq */
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/gpio/gpio.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;

        ethernet@0 {
            compatible = "davicom,dm9051";
            reg = <0>; /* spi chip select */
            local-mac-address = [00 00 00 00 00 00];
            interrupt-parent = <&gpio>;
            interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
            spi-max-frequency = <31200000>;
        };
    };