0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/mfd/kontron,sl28cpld.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Kontron's sl28cpld board management controller
0008
0009 maintainers:
0010 - Michael Walle <michael@walle.cc>
0011
0012 description: |
0013 The board management controller may contain different IP blocks like
0014 watchdog, fan monitoring, PWM controller, interrupt controller and a
0015 GPIO controller.
0016
0017 properties:
0018 compatible:
0019 const: kontron,sl28cpld
0020
0021 reg:
0022 description:
0023 I2C device address.
0024 maxItems: 1
0025
0026 "#address-cells":
0027 const: 1
0028
0029 "#size-cells":
0030 const: 0
0031
0032 "#interrupt-cells":
0033 const: 2
0034
0035 interrupts:
0036 maxItems: 1
0037
0038 interrupt-controller: true
0039
0040 patternProperties:
0041 "^gpio(@[0-9a-f]+)?$":
0042 $ref: ../gpio/kontron,sl28cpld-gpio.yaml
0043
0044 "^hwmon(@[0-9a-f]+)?$":
0045 $ref: ../hwmon/kontron,sl28cpld-hwmon.yaml
0046
0047 "^interrupt-controller(@[0-9a-f]+)?$":
0048 $ref: ../interrupt-controller/kontron,sl28cpld-intc.yaml
0049
0050 "^pwm(@[0-9a-f]+)?$":
0051 $ref: ../pwm/kontron,sl28cpld-pwm.yaml
0052
0053 "^watchdog(@[0-9a-f]+)?$":
0054 $ref: ../watchdog/kontron,sl28cpld-wdt.yaml
0055
0056 required:
0057 - "#address-cells"
0058 - "#size-cells"
0059 - compatible
0060 - reg
0061
0062 additionalProperties: false
0063
0064 examples:
0065 - |
0066 #include <dt-bindings/interrupt-controller/irq.h>
0067 i2c {
0068 #address-cells = <1>;
0069 #size-cells = <0>;
0070
0071 sl28cpld@4a {
0072 compatible = "kontron,sl28cpld";
0073 reg = <0x4a>;
0074 #address-cells = <1>;
0075 #size-cells = <0>;
0076
0077 watchdog@4 {
0078 compatible = "kontron,sl28cpld-wdt";
0079 reg = <0x4>;
0080 kontron,assert-wdt-timeout-pin;
0081 };
0082
0083 hwmon@b {
0084 compatible = "kontron,sl28cpld-fan";
0085 reg = <0xb>;
0086 };
0087
0088 pwm@c {
0089 compatible = "kontron,sl28cpld-pwm";
0090 reg = <0xc>;
0091 #pwm-cells = <2>;
0092 };
0093
0094 pwm@e {
0095 compatible = "kontron,sl28cpld-pwm";
0096 reg = <0xe>;
0097 #pwm-cells = <2>;
0098 };
0099
0100 gpio@10 {
0101 compatible = "kontron,sl28cpld-gpio";
0102 reg = <0x10>;
0103 interrupts-extended = <&gpio2 6
0104 IRQ_TYPE_EDGE_FALLING>;
0105
0106 gpio-controller;
0107 #gpio-cells = <2>;
0108 gpio-line-names = "a", "b", "c";
0109
0110 interrupt-controller;
0111 #interrupt-cells = <2>;
0112 };
0113
0114 gpio@15 {
0115 compatible = "kontron,sl28cpld-gpio";
0116 reg = <0x15>;
0117 interrupts-extended = <&gpio2 6
0118 IRQ_TYPE_EDGE_FALLING>;
0119
0120 gpio-controller;
0121 #gpio-cells = <2>;
0122
0123 interrupt-controller;
0124 #interrupt-cells = <2>;
0125 };
0126
0127 gpio@1a {
0128 compatible = "kontron,sl28cpld-gpo";
0129 reg = <0x1a>;
0130
0131 gpio-controller;
0132 #gpio-cells = <2>;
0133 };
0134
0135 gpio@1b {
0136 compatible = "kontron,sl28cpld-gpi";
0137 reg = <0x1b>;
0138
0139 gpio-controller;
0140 #gpio-cells = <2>;
0141 };
0142
0143 interrupt-controller@1c {
0144 compatible = "kontron,sl28cpld-intc";
0145 reg = <0x1c>;
0146 interrupts-extended = <&gpio2 6
0147 IRQ_TYPE_EDGE_FALLING>;
0148
0149 interrupt-controller;
0150 #interrupt-cells = <2>;
0151 };
0152 };
0153 };
