kontron,sl28cpld.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/embedded-controller/kontron,sl28cpld.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Kontron's sl28cpld board management controller
  8
  9maintainers:
 10  - Michael Walle <michael@walle.cc>
 11
 12description: |
 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
 17properties:
 18  compatible:
 19    oneOf:
 20      - items:
 21          - enum:
 22              - kontron,sa67mcu
 23          - const: kontron,sl28cpld
 24      - const: kontron,sl28cpld
 25
 26  reg:
 27    description:
 28      I2C device address.
 29    maxItems: 1
 30
 31  "#address-cells":
 32    const: 1
 33
 34  "#size-cells":
 35    const: 0
 36
 37  "#interrupt-cells":
 38    const: 2
 39
 40  interrupts:
 41    maxItems: 1
 42
 43  interrupt-controller: true
 44
 45patternProperties:
 46  "^gpio(@[0-9a-f]+)?$":
 47    $ref: /schemas/gpio/kontron,sl28cpld-gpio.yaml
 48
 49  "^hwmon(@[0-9a-f]+)?$":
 50    $ref: /schemas/hwmon/kontron,sl28cpld-hwmon.yaml
 51
 52  "^interrupt-controller(@[0-9a-f]+)?$":
 53    $ref: /schemas/interrupt-controller/kontron,sl28cpld-intc.yaml
 54
 55  "^pwm(@[0-9a-f]+)?$":
 56    $ref: /schemas/pwm/kontron,sl28cpld-pwm.yaml
 57
 58  "^watchdog(@[0-9a-f]+)?$":
 59    $ref: /schemas/watchdog/kontron,sl28cpld-wdt.yaml
 60
 61required:
 62  - "#address-cells"
 63  - "#size-cells"
 64  - compatible
 65  - reg
 66
 67additionalProperties: false
 68
 69examples:
 70  - |
 71    #include <dt-bindings/interrupt-controller/irq.h>
 72    i2c {
 73        #address-cells = <1>;
 74        #size-cells = <0>;
 75
 76        sl28cpld@4a {
 77            compatible = "kontron,sl28cpld";
 78            reg = <0x4a>;
 79            #address-cells = <1>;
 80            #size-cells = <0>;
 81
 82            watchdog@4 {
 83                compatible = "kontron,sl28cpld-wdt";
 84                reg = <0x4>;
 85                kontron,assert-wdt-timeout-pin;
 86            };
 87
 88            hwmon@b {
 89                compatible = "kontron,sl28cpld-fan";
 90                reg = <0xb>;
 91            };
 92
 93            pwm@c {
 94                compatible = "kontron,sl28cpld-pwm";
 95                reg = <0xc>;
 96                #pwm-cells = <2>;
 97            };
 98
 99            pwm@e {
100                compatible = "kontron,sl28cpld-pwm";
101                reg = <0xe>;
102                #pwm-cells = <2>;
103            };
104
105            gpio@10 {
106                compatible = "kontron,sl28cpld-gpio";
107                reg = <0x10>;
108                interrupts-extended = <&gpio2 6
109                               IRQ_TYPE_EDGE_FALLING>;
110
111                gpio-controller;
112                #gpio-cells = <2>;
113                gpio-line-names = "a", "b", "c";
114
115                interrupt-controller;
116                #interrupt-cells = <2>;
117            };
118
119            gpio@15 {
120                compatible = "kontron,sl28cpld-gpio";
121                reg = <0x15>;
122                interrupts-extended = <&gpio2 6
123                               IRQ_TYPE_EDGE_FALLING>;
124
125                gpio-controller;
126                #gpio-cells = <2>;
127
128                interrupt-controller;
129                #interrupt-cells = <2>;
130            };
131
132            gpio@1a {
133                compatible = "kontron,sl28cpld-gpo";
134                reg = <0x1a>;
135
136                gpio-controller;
137                #gpio-cells = <2>;
138            };
139
140            gpio@1b {
141                compatible = "kontron,sl28cpld-gpi";
142                reg = <0x1b>;
143
144                gpio-controller;
145                #gpio-cells = <2>;
146            };
147
148            interrupt-controller@1c {
149                compatible = "kontron,sl28cpld-intc";
150                reg = <0x1c>;
151                interrupts-extended = <&gpio2 6
152                               IRQ_TYPE_EDGE_FALLING>;
153
154                interrupt-controller;
155                #interrupt-cells = <2>;
156            };
157        };
158    };