1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-pca95xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP PCA95xx I2C GPIO multiplexer
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 description: |+
13 Bindings for the family of I2C GPIO multiplexers/expanders: NXP PCA95xx,
14 Maxim MAX73xx
15
16 properties:
17 compatible:
18 oneOf:
19 - items:
20 - const: diodes,pi4ioe5v6534q
21 - const: nxp,pcal6534
22 - items:
23 - enum:
24 - exar,xra1202
25 - maxim,max7310
26 - maxim,max7312
27 - maxim,max7313
28 - maxim,max7315
29 - maxim,max7319
30 - maxim,max7320
31 - maxim,max7321
32 - maxim,max7322
33 - maxim,max7323
34 - maxim,max7324
35 - maxim,max7325
36 - maxim,max7326
37 - maxim,max7327
38 - nxp,pca6408
39 - nxp,pca6416
40 - nxp,pca9505
41 - nxp,pca9506
42 - nxp,pca9534
43 - nxp,pca9535
44 - nxp,pca9536
45 - nxp,pca9537
46 - nxp,pca9538
47 - nxp,pca9539
48 - nxp,pca9554
49 - nxp,pca9555
50 - nxp,pca9556
51 - nxp,pca9557
52 - nxp,pca9574
53 - nxp,pca9575
54 - nxp,pca9698
55 - nxp,pcal6408
56 - nxp,pcal6416
57 - nxp,pcal6524
58 - nxp,pcal6534
59 - nxp,pcal9535
60 - nxp,pcal9554b
61 - nxp,pcal9555a
62 - onnn,cat9554
63 - onnn,pca9654
64 - ti,pca6107
65 - ti,pca9536
66 - ti,tca6408
67 - ti,tca6416
68 - ti,tca6424
69 - ti,tca9535
70 - ti,tca9538
71 - ti,tca9539
72 - ti,tca9554
73
74 reg:
75 maxItems: 1
76
77 gpio-controller: true
78
79 '#gpio-cells':
80 const: 2
81
82 gpio-line-names:
83 minItems: 1
84 maxItems: 40
85
86 interrupts:
87 maxItems: 1
88
89 interrupt-controller: true
90
91 '#interrupt-cells':
92 const: 2
93
94 reset-gpios:
95 maxItems: 1
96 description:
97 GPIO specification for the RESET input. This is an active low signal to
98 the PCA953x. Not valid for Maxim MAX732x devices.
99
100 vcc-supply:
101 description:
102 Optional power supply. Not valid for Maxim MAX732x devices.
103
104 wakeup-source:
105 $ref: /schemas/types.yaml#/definitions/flag
106
107 patternProperties:
108 "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
109 type: object
110 required:
111 - gpio-hog
112
113 required:
114 - compatible
115 - reg
116 - gpio-controller
117 - "#gpio-cells"
118
119 additionalProperties: false
120
121 allOf:
122 - if:
123 properties:
124 compatible:
125 contains:
126 enum:
127 - maxim,max7320
128 - maxim,max7321
129 - maxim,max7322
130 - maxim,max7323
131 - maxim,max7324
132 - maxim,max7325
133 - maxim,max7326
134 - maxim,max7327
135 then:
136 properties:
137 reset-gpios: false
138 vcc-supply: false
139
140 examples:
141 - |
142 #include <dt-bindings/gpio/gpio.h>
143 #include <dt-bindings/interrupt-controller/irq.h>
144
145 i2c {
146 #address-cells = <1>;
147 #size-cells = <0>;
148
149 gpio@20 {
150 compatible = "nxp,pca9505";
151 reg = <0x20>;
152 pinctrl-names = "default";
153 pinctrl-0 = <&pinctrl_pca9505>;
154 gpio-controller;
155 #gpio-cells = <2>;
156 interrupt-parent = <&gpio3>;
157 interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
158
159 usb3-sata-sel-hog {
160 gpio-hog;
161 gpios = <4 GPIO_ACTIVE_HIGH>;
162 output-low;
163 line-name = "usb3_sata_sel";
164 };
165 };
166 };
167
168 - |
169 #include <dt-bindings/interrupt-controller/irq.h>
170
171 i2c {
172 #address-cells = <1>;
173 #size-cells = <0>;
174
175 gpio99: gpio@22 {
176 compatible = "nxp,pcal6524";
177 reg = <0x22>;
178 interrupt-parent = <&gpio6>;
179 interrupts = <1 IRQ_TYPE_EDGE_FALLING>; /* gpio6_161 */
180 interrupt-controller;
181 #interrupt-cells = <2>;
182 vcc-supply = <&vdds_1v8_main>;
183 gpio-controller;
184 #gpio-cells = <2>;
185 gpio-line-names = "hdmi-ct-hpd", "hdmi.ls-oe", "p02", "p03",
186 "vibra", "fault2", "p06", "p07", "en-usb",
187 "en-host1", "en-host2", "chg-int", "p14", "p15",
188 "mic-int", "en-modem", "shdn-hs-amp",
189 "chg-status+red", "green", "blue", "en-esata",
190 "fault1", "p26", "p27";
191 };
192 };
193
194 - |
195 #include <dt-bindings/interrupt-controller/irq.h>
196
197 i2c {
198 #address-cells = <1>;
199 #size-cells = <0>;
200
201 /* MAX7325 with interrupt support enabled */
202 gpio@6d {
203 compatible = "maxim,max7325";
204 reg = <0x6d>;
205 gpio-controller;
206 #gpio-cells = <2>;
207 interrupt-controller;
208 #interrupt-cells = <2>;
209 interrupt-parent = <&gpio4>;
210 interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
211 };
212 };
213
214 - |
215 i2c {
216 #address-cells = <1>;
217 #size-cells = <0>;
218
219 /* MAX7325 with interrupt support disabled */
220 gpio@6e {
221 compatible = "maxim,max7325";
222 reg = <0x6e>;
223 gpio-controller;
224 #gpio-cells = <2>;
225 };
226 };
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