xref: /linux/Documentation/devicetree/bindings/net/pcs/renesas,rzn1-miic.yaml (revision 4f2c0a4acffbec01079c28f839422e64ddeff004) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/pcs/renesas,rzn1-miic.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas RZ/N1 MII converter
8
9maintainers:
10  - Clément Léger <clement.leger@bootlin.com>
11
12description: |
13  This MII converter is present on the Renesas RZ/N1 SoC family. It is
14  responsible to do MII passthrough or convert it to RMII/RGMII.
15
16properties:
17  '#address-cells':
18    const: 1
19
20  '#size-cells':
21    const: 0
22
23  compatible:
24    items:
25      - enum:
26          - renesas,r9a06g032-miic
27      - const: renesas,rzn1-miic
28
29  reg:
30    maxItems: 1
31
32  clocks:
33    items:
34      - description: MII reference clock
35      - description: RGMII reference clock
36      - description: RMII reference clock
37      - description: AHB clock used for the MII converter register interface
38
39  clock-names:
40    items:
41      - const: mii_ref
42      - const: rgmii_ref
43      - const: rmii_ref
44      - const: hclk
45
46  renesas,miic-switch-portin:
47    description: MII Switch PORTIN configuration. This value should use one of
48      the values defined in dt-bindings/net/pcs-rzn1-miic.h.
49    $ref: /schemas/types.yaml#/definitions/uint32
50    enum: [1, 2]
51
52  power-domains:
53    maxItems: 1
54
55patternProperties:
56  "^mii-conv@[0-5]$":
57    type: object
58    description: MII converter port
59
60    properties:
61      reg:
62        description: MII Converter port number.
63        enum: [1, 2, 3, 4, 5]
64
65      renesas,miic-input:
66        description: Converter input port configuration. This value should use
67          one of the values defined in dt-bindings/net/pcs-rzn1-miic.h.
68        $ref: /schemas/types.yaml#/definitions/uint32
69
70    required:
71      - reg
72      - renesas,miic-input
73
74    additionalProperties: false
75
76    allOf:
77      - if:
78          properties:
79            reg:
80              const: 1
81        then:
82          properties:
83            renesas,miic-input:
84              const: 0
85      - if:
86          properties:
87            reg:
88              const: 2
89        then:
90          properties:
91            renesas,miic-input:
92              enum: [1, 11]
93      - if:
94          properties:
95            reg:
96              const: 3
97        then:
98          properties:
99            renesas,miic-input:
100              enum: [7, 10]
101      - if:
102          properties:
103            reg:
104              const: 4
105        then:
106          properties:
107            renesas,miic-input:
108              enum: [4, 6, 9, 13]
109      - if:
110          properties:
111            reg:
112              const: 5
113        then:
114          properties:
115            renesas,miic-input:
116              enum: [3, 5, 8, 12]
117
118required:
119  - '#address-cells'
120  - '#size-cells'
121  - compatible
122  - reg
123  - clocks
124  - clock-names
125  - power-domains
126
127additionalProperties: false
128
129examples:
130  - |
131    #include <dt-bindings/net/pcs-rzn1-miic.h>
132    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
133
134    eth-miic@44030000 {
135      #address-cells = <1>;
136      #size-cells = <0>;
137      compatible = "renesas,r9a06g032-miic", "renesas,rzn1-miic";
138      reg = <0x44030000 0x10000>;
139      clocks = <&sysctrl R9A06G032_CLK_MII_REF>,
140              <&sysctrl R9A06G032_CLK_RGMII_REF>,
141              <&sysctrl R9A06G032_CLK_RMII_REF>,
142              <&sysctrl R9A06G032_HCLK_SWITCH_RG>;
143      clock-names = "mii_ref", "rgmii_ref", "rmii_ref", "hclk";
144      renesas,miic-switch-portin = <MIIC_GMAC2_PORT>;
145      power-domains = <&sysctrl>;
146
147      mii_conv1: mii-conv@1 {
148        renesas,miic-input = <MIIC_GMAC1_PORT>;
149        reg = <1>;
150      };
151
152      mii_conv2: mii-conv@2 {
153        renesas,miic-input = <MIIC_SWITCH_PORTD>;
154        reg = <2>;
155      };
156
157      mii_conv3: mii-conv@3 {
158        renesas,miic-input = <MIIC_SWITCH_PORTC>;
159        reg = <3>;
160      };
161
162      mii_conv4: mii-conv@4 {
163        renesas,miic-input = <MIIC_SWITCH_PORTB>;
164        reg = <4>;
165      };
166
167      mii_conv5: mii-conv@5 {
168        renesas,miic-input = <MIIC_SWITCH_PORTA>;
169        reg = <5>;
170      };
171    };
172