summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml
blob: 8548e3639b7549dae6c0a506164fb994d7cd7daf (plain)
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/renesas,pfc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas Pin Function Controller (GPIO and Pin Mux/Config)

maintainers:
  - Geert Uytterhoeven <geert+renesas@glider.be>

description:
  The Pin Function Controller (PFC) is a Pin Mux/Config controller.
  On SH/R-Mobile SoCs it also acts as a GPIO controller.

properties:
  compatible:
    enum:
      - renesas,pfc-emev2       # EMMA Mobile EV2
      - renesas,pfc-r8a73a4     # R-Mobile APE6
      - renesas,pfc-r8a7740     # R-Mobile A1
      - renesas,pfc-r8a7742     # RZ/G1H
      - renesas,pfc-r8a7743     # RZ/G1M
      - renesas,pfc-r8a7744     # RZ/G1N
      - renesas,pfc-r8a7745     # RZ/G1E
      - renesas,pfc-r8a77470    # RZ/G1C
      - renesas,pfc-r8a774a1    # RZ/G2M
      - renesas,pfc-r8a774b1    # RZ/G2N
      - renesas,pfc-r8a774c0    # RZ/G2E
      - renesas,pfc-r8a774e1    # RZ/G2H
      - renesas,pfc-r8a7778     # R-Car M1
      - renesas,pfc-r8a7779     # R-Car H1
      - renesas,pfc-r8a7790     # R-Car H2
      - renesas,pfc-r8a7791     # R-Car M2-W
      - renesas,pfc-r8a7792     # R-Car V2H
      - renesas,pfc-r8a7793     # R-Car M2-N
      - renesas,pfc-r8a7794     # R-Car E2
      - renesas,pfc-r8a7795     # R-Car H3
      - renesas,pfc-r8a7796     # R-Car M3-W
      - renesas,pfc-r8a77961    # R-Car M3-W+
      - renesas,pfc-r8a77965    # R-Car M3-N
      - renesas,pfc-r8a77970    # R-Car V3M
      - renesas,pfc-r8a77980    # R-Car V3H
      - renesas,pfc-r8a77990    # R-Car E3
      - renesas,pfc-r8a77995    # R-Car D3
      - renesas,pfc-r8a779a0    # R-Car V3U
      - renesas,pfc-sh73a0      # SH-Mobile AG5

  reg:
    minItems: 1
    maxItems: 10

  gpio-controller: true

  '#gpio-cells':
    const: 2

  gpio-ranges:
    minItems: 1
    maxItems: 16

  interrupts-extended:
    minItems: 32
    maxItems: 64
    description:
      Specify the interrupts associated with external IRQ pins on SoCs where
      the PFC acts as a GPIO controller.  It must contain one interrupt per
      external IRQ, sorted by external IRQ number.

  power-domains:
    maxItems: 1

allOf:
  - $ref: "pinctrl.yaml#"

required:
  - compatible
  - reg

if:
  properties:
    compatible:
      enum:
        - renesas,pfc-r8a73a4
        - renesas,pfc-r8a7740
        - renesas,pfc-sh73a0
then:
  required:
    - interrupts-extended
    - gpio-controller
    - '#gpio-cells'
    - gpio-ranges
    - power-domains

additionalProperties:
  anyOf:
    - type: object
      allOf:
        - $ref: pincfg-node.yaml#
        - $ref: pinmux-node.yaml#

      description:
        Pin controller client devices use pin configuration subnodes (children
        and grandchildren) for desired pin configuration.
        Client device subnodes use below standard properties.

      properties:
        phandle: true
        function: true
        groups: true
        pins: true
        bias-disable: true
        bias-pull-down: true
        bias-pull-up: true
        drive-strength:
          enum: [ 3, 6, 9, 12, 15, 18, 21, 24 ] # Superset of supported values
        power-source:
          enum: [ 1800, 3300 ]
        gpio-hog: true
        gpios: true
        input: true
        output-high: true
        output-low: true

      additionalProperties: false

    - type: object
      properties:
        phandle: true

      additionalProperties:
        $ref: "#/additionalProperties/anyOf/0"

examples:
  - |
    pfc: pinctrl@e6050000 {
            compatible = "renesas,pfc-r8a7740";
            reg = <0xe6050000 0x8000>,
                  <0xe605800c 0x20>;
            gpio-controller;
            #gpio-cells = <2>;
            gpio-ranges = <&pfc 0 0 212>;
            interrupts-extended =
                <&irqpin0 0 0>, <&irqpin0 1 0>, <&irqpin0 2 0>, <&irqpin0 3 0>,
                <&irqpin0 4 0>, <&irqpin0 5 0>, <&irqpin0 6 0>, <&irqpin0 7 0>,
                <&irqpin1 0 0>, <&irqpin1 1 0>, <&irqpin1 2 0>, <&irqpin1 3 0>,
                <&irqpin1 4 0>, <&irqpin1 5 0>, <&irqpin1 6 0>, <&irqpin1 7 0>,
                <&irqpin2 0 0>, <&irqpin2 1 0>, <&irqpin2 2 0>, <&irqpin2 3 0>,
                <&irqpin2 4 0>, <&irqpin2 5 0>, <&irqpin2 6 0>, <&irqpin2 7 0>,
                <&irqpin3 0 0>, <&irqpin3 1 0>, <&irqpin3 2 0>, <&irqpin3 3 0>,
                <&irqpin3 4 0>, <&irqpin3 5 0>, <&irqpin3 6 0>, <&irqpin3 7 0>;
            power-domains = <&pd_c5>;

            lcd0-mux-hog {
                    /* DBGMD/LCDC0/FSIA MUX */
                    gpio-hog;
                    gpios = <176 0>;
                    output-high;
            };
    };

  - |
    pinctrl@e6060000 {
            compatible = "renesas,pfc-r8a7795";
            reg = <0xe6060000 0x50c>;

            avb_pins: avb {
                    mux {
                            groups = "avb_link", "avb_mdio", "avb_mii";
                            function = "avb";
                    };

                    pins_mdio {
                            groups = "avb_mdio";
                            drive-strength = <24>;
                    };

                    pins_mii_tx {
                            pins = "PIN_AVB_TX_CTL", "PIN_AVB_TXC",
                                   "PIN_AVB_TD0", "PIN_AVB_TD1", "PIN_AVB_TD2",
                                   "PIN_AVB_TD3";
                            drive-strength = <12>;
                    };
            };

            keys_pins: keys {
                    pins = "GP_5_17", "GP_5_20", "GP_5_22", "GP_2_1";
                    bias-pull-up;
            };

            sdhi0_pins: sd0 {
                    groups = "sdhi0_data4", "sdhi0_ctrl";
                    function = "sdhi0";
                    power-source = <3300>;
            };
    };