1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/kontron,sl28cpld.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Kontron's sl28cpld board management controller
8
9 maintainers:
10 - Michael Walle <michael@walle.cc>
11
12 description: |
13 The board management controller may contain different IP blocks like
14 watchdog, fan monitoring, PWM controller, interrupt controller and a
15 GPIO controller.
16
17 properties:
18 compatible:
19 const: kontron,sl28cpld
20
21 reg:
22 description:
23 I2C device address.
24 maxItems: 1
25
26 "#address-cells":
27 const: 1
28
29 "#size-cells":
30 const: 0
31
32 "#interrupt-cells":
33 const: 2
34
35 interrupts:
36 maxItems: 1
37
38 interrupt-controller: true
39
40 patternProperties:
41 "^gpio(@[0-9a-f]+)?$":
42 $ref: /schemas/gpio/kontron,sl28cpld-gpio.yaml
43
44 "^hwmon(@[0-9a-f]+)?$":
45 $ref: /schemas/hwmon/kontron,sl28cpld-hwmon.yaml
46
47 "^interrupt-controller(@[0-9a-f]+)?$":
48 $ref: /schemas/interrupt-controller/kontron,sl28cpld-intc.yaml
49
50 "^pwm(@[0-9a-f]+)?$":
51 $ref: /schemas/pwm/kontron,sl28cpld-pwm.yaml
52
53 "^watchdog(@[0-9a-f]+)?$":
54 $ref: /schemas/watchdog/kontron,sl28cpld-wdt.yaml
55
56 required:
57 - "#address-cells"
58 - "#size-cells"
59 - compatible
60 - reg
61
62 additionalProperties: false
63
64 examples:
65 - |
66 #include <dt-bindings/interrupt-controller/irq.h>
67 i2c {
68 #address-cells = <1>;
69 #size-cells = <0>;
70
71 sl28cpld@4a {
72 compatible = "kontron,sl28cpld";
73 reg = <0x4a>;
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 watchdog@4 {
78 compatible = "kontron,sl28cpld-wdt";
79 reg = <0x4>;
80 kontron,assert-wdt-timeout-pin;
81 };
82
83 hwmon@b {
84 compatible = "kontron,sl28cpld-fan";
85 reg = <0xb>;
86 };
87
88 pwm@c {
89 compatible = "kontron,sl28cpld-pwm";
90 reg = <0xc>;
91 #pwm-cells = <2>;
92 };
93
94 pwm@e {
95 compatible = "kontron,sl28cpld-pwm";
96 reg = <0xe>;
97 #pwm-cells = <2>;
98 };
99
100 gpio@10 {
101 compatible = "kontron,sl28cpld-gpio";
102 reg = <0x10>;
103 interrupts-extended = <&gpio2 6
104 IRQ_TYPE_EDGE_FALLING>;
105
106 gpio-controller;
107 #gpio-cells = <2>;
108 gpio-line-names = "a", "b", "c";
109
110 interrupt-controller;
111 #interrupt-cells = <2>;
112 };
113
114 gpio@15 {
115 compatible = "kontron,sl28cpld-gpio";
116 reg = <0x15>;
117 interrupts-extended = <&gpio2 6
118 IRQ_TYPE_EDGE_FALLING>;
119
120 gpio-controller;
121 #gpio-cells = <2>;
122
123 interrupt-controller;
124 #interrupt-cells = <2>;
125 };
126
127 gpio@1a {
128 compatible = "kontron,sl28cpld-gpo";
129 reg = <0x1a>;
130
131 gpio-controller;
132 #gpio-cells = <2>;
133 };
134
135 gpio@1b {
136 compatible = "kontron,sl28cpld-gpi";
137 reg = <0x1b>;
138
139 gpio-controller;
140 #gpio-cells = <2>;
141 };
142
143 interrupt-controller@1c {
144 compatible = "kontron,sl28cpld-intc";
145 reg = <0x1c>;
146 interrupts-extended = <&gpio2 6
147 IRQ_TYPE_EDGE_FALLING>;
148
149 interrupt-controller;
150 #interrupt-cells = <2>;
151 };
152 };
153 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.