1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/renesas,pfc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas Pin Function Controller (GPIO and Pin Mux/Config)
8
9 maintainers:
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11
12 description:
13 The Pin Function Controller (PFC) is a Pin Mux/Config controller.
14 On SH/R-Mobile SoCs it also acts as a GPIO controller.
15
16 properties:
17 compatible:
18 enum:
19 - renesas,pfc-emev2 # EMMA Mobile EV2
20 - renesas,pfc-r8a73a4 # R-Mobile APE6
21 - renesas,pfc-r8a7740 # R-Mobile A1
22 - renesas,pfc-r8a7742 # RZ/G1H
23 - renesas,pfc-r8a7743 # RZ/G1M
24 - renesas,pfc-r8a7744 # RZ/G1N
25 - renesas,pfc-r8a7745 # RZ/G1E
26 - renesas,pfc-r8a77470 # RZ/G1C
27 - renesas,pfc-r8a774a1 # RZ/G2M
28 - renesas,pfc-r8a774a3 # RZ/G2M v3.0
29 - renesas,pfc-r8a774b1 # RZ/G2N
30 - renesas,pfc-r8a774c0 # RZ/G2E
31 - renesas,pfc-r8a774e1 # RZ/G2H
32 - renesas,pfc-r8a7778 # R-Car M1
33 - renesas,pfc-r8a7779 # R-Car H1
34 - renesas,pfc-r8a7790 # R-Car H2
35 - renesas,pfc-r8a7791 # R-Car M2-W
36 - renesas,pfc-r8a7792 # R-Car V2H
37 - renesas,pfc-r8a7793 # R-Car M2-N
38 - renesas,pfc-r8a7794 # R-Car E2
39 - renesas,pfc-r8a7795 # R-Car H3
40 - renesas,pfc-r8a7796 # R-Car M3-W
41 - renesas,pfc-r8a77961 # R-Car M3-W+
42 - renesas,pfc-r8a77965 # R-Car M3-N
43 - renesas,pfc-r8a77970 # R-Car V3M
44 - renesas,pfc-r8a77980 # R-Car V3H
45 - renesas,pfc-r8a77990 # R-Car E3
46 - renesas,pfc-r8a77995 # R-Car D3
47 - renesas,pfc-r8a779a0 # R-Car V3U
48 - renesas,pfc-r8a779f0 # R-Car S4-8
49 - renesas,pfc-r8a779g0 # R-Car V4H
50 - renesas,pfc-r8a779h0 # R-Car V4M
51 - renesas,pfc-sh73a0 # SH-Mobile AG5
52
53 reg:
54 minItems: 1
55 maxItems: 10
56
57 gpio-controller: true
58
59 '#gpio-cells':
60 const: 2
61
62 gpio-ranges:
63 minItems: 1
64 maxItems: 16
65
66 interrupts-extended:
67 minItems: 32
68 maxItems: 64
69 description:
70 Specify the interrupts associated with external IRQ pins on SoCs where
71 the PFC acts as a GPIO controller. It must contain one interrupt per
72 external IRQ, sorted by external IRQ number.
73
74 power-domains:
75 maxItems: 1
76
77 allOf:
78 - $ref: pinctrl.yaml#
79
80 required:
81 - compatible
82 - reg
83
84 if:
85 properties:
86 compatible:
87 enum:
88 - renesas,pfc-r8a73a4
89 - renesas,pfc-r8a7740
90 - renesas,pfc-sh73a0
91 then:
92 required:
93 - interrupts-extended
94 - gpio-controller
95 - '#gpio-cells'
96 - gpio-ranges
97 - power-domains
98
99 additionalProperties:
100 anyOf:
101 - type: object
102 allOf:
103 - $ref: pincfg-node.yaml#
104 - $ref: pinmux-node.yaml#
105
106 description:
107 Pin controller client devices use pin configuration subnodes (children
108 and grandchildren) for desired pin configuration.
109 Client device subnodes use below standard properties.
110
111 properties:
112 function: true
113 groups: true
114 pins: true
115 bias-disable: true
116 bias-pull-down: true
117 bias-pull-up: true
118 drive-strength:
119 enum: [ 3, 6, 9, 12, 15, 18, 21, 24 ] # Superset of supported values
120 power-source:
121 enum: [ 1800, 3300 ]
122 gpio-hog: true
123 gpios: true
124 input: true
125 output-high: true
126 output-low: true
127
128 additionalProperties: false
129
130 - type: object
131 additionalProperties:
132 $ref: "#/additionalProperties/anyOf/0"
133
134 examples:
135 - |
136 pfc: pinctrl@e6050000 {
137 compatible = "renesas,pfc-r8a7740";
138 reg = <0xe6050000 0x8000>,
139 <0xe605800c 0x20>;
140 gpio-controller;
141 #gpio-cells = <2>;
142 gpio-ranges = <&pfc 0 0 212>;
143 interrupts-extended =
144 <&irqpin0 0 0>, <&irqpin0 1 0>, <&irqpin0 2 0>, <&irqpin0 3 0>,
145 <&irqpin0 4 0>, <&irqpin0 5 0>, <&irqpin0 6 0>, <&irqpin0 7 0>,
146 <&irqpin1 0 0>, <&irqpin1 1 0>, <&irqpin1 2 0>, <&irqpin1 3 0>,
147 <&irqpin1 4 0>, <&irqpin1 5 0>, <&irqpin1 6 0>, <&irqpin1 7 0>,
148 <&irqpin2 0 0>, <&irqpin2 1 0>, <&irqpin2 2 0>, <&irqpin2 3 0>,
149 <&irqpin2 4 0>, <&irqpin2 5 0>, <&irqpin2 6 0>, <&irqpin2 7 0>,
150 <&irqpin3 0 0>, <&irqpin3 1 0>, <&irqpin3 2 0>, <&irqpin3 3 0>,
151 <&irqpin3 4 0>, <&irqpin3 5 0>, <&irqpin3 6 0>, <&irqpin3 7 0>;
152 power-domains = <&pd_c5>;
153
154 lcd0-mux-hog {
155 /* DBGMD/LCDC0/FSIA MUX */
156 gpio-hog;
157 gpios = <176 0>;
158 output-high;
159 };
160 };
161
162 - |
163 pinctrl@e6060000 {
164 compatible = "renesas,pfc-r8a7795";
165 reg = <0xe6060000 0x50c>;
166
167 avb_pins: avb {
168 mux {
169 groups = "avb_link", "avb_mdio", "avb_mii";
170 function = "avb";
171 };
172
173 pins_mdio {
174 groups = "avb_mdio";
175 drive-strength = <24>;
176 };
177
178 pins_mii_tx {
179 pins = "PIN_AVB_TX_CTL", "PIN_AVB_TXC",
180 "PIN_AVB_TD0", "PIN_AVB_TD1", "PIN_AVB_TD2",
181 "PIN_AVB_TD3";
182 drive-strength = <12>;
183 };
184 };
185
186 keys_pins: keys {
187 pins = "GP_5_17", "GP_5_20", "GP_5_22", "GP_2_1";
188 bias-pull-up;
189 };
190
191 sdhi0_pins: sd0 {
192 groups = "sdhi0_data4", "sdhi0_ctrl";
193 function = "sdhi0";
194 power-source = <3300>;
195 };
196 };
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