tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/realtek,rtl9301-switch.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Realtek Switch with Internal CPU
8
9maintainers:
10 - Chris Packham <chris.packham@alliedtelesis.co.nz>
11
12description:
13 The RTL9300 is a series of is an Ethernet switches with an integrated CPU. A
14 number of different peripherals are accessed through a common register block,
15 represented here as a syscon node.
16
17properties:
18 compatible:
19 items:
20 - enum:
21 - realtek,rtl9301-switch
22 - realtek,rtl9302b-switch
23 - realtek,rtl9302c-switch
24 - realtek,rtl9303-switch
25 - const: syscon
26 - const: simple-mfd
27
28 reg:
29 maxItems: 1
30
31 '#address-cells':
32 const: 1
33
34 '#size-cells':
35 const: 1
36
37patternProperties:
38 'reboot@[0-9a-f]+$':
39 $ref: /schemas/power/reset/syscon-reboot.yaml#
40
41 'i2c@[0-9a-f]+$':
42 $ref: /schemas/i2c/realtek,rtl9301-i2c.yaml#
43
44required:
45 - compatible
46 - reg
47
48additionalProperties: false
49
50examples:
51 - |
52 ethernet-switch@1b000000 {
53 compatible = "realtek,rtl9301-switch", "syscon", "simple-mfd";
54 reg = <0x1b000000 0x10000>;
55 #address-cells = <1>;
56 #size-cells = <1>;
57
58 reboot@c {
59 compatible = "syscon-reboot";
60 reg = <0x0c 0x4>;
61 value = <0x01>;
62 };
63
64 i2c@36c {
65 compatible = "realtek,rtl9301-i2c";
66 reg = <0x36c 0x14>;
67 #address-cells = <1>;
68 #size-cells = <0>;
69
70 i2c@0 {
71 reg = <0>;
72 #address-cells = <1>;
73 #size-cells = <0>;
74 gpio@20 {
75 compatible = "nxp,pca9555";
76 gpio-controller;
77 #gpio-cells = <2>;
78 reg = <0x20>;
79 };
80 };
81
82 i2c@2 {
83 reg = <2>;
84 #address-cells = <1>;
85 #size-cells = <0>;
86 gpio@20 {
87 compatible = "nxp,pca9555";
88 gpio-controller;
89 #gpio-cells = <2>;
90 reg = <0x20>;
91 };
92 };
93 };
94
95 i2c@388 {
96 compatible = "realtek,rtl9301-i2c";
97 reg = <0x388 0x14>;
98 #address-cells = <1>;
99 #size-cells = <0>;
100
101 i2c@7 {
102 reg = <7>;
103 #address-cells = <1>;
104 #size-cells = <0>;
105 gpio@20 {
106 compatible = "nxp,pca9555";
107 gpio-controller;
108 #gpio-cells = <2>;
109 reg = <0x20>;
110 };
111 };
112 };
113 };
114