kontron,sl28cpld.yaml

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    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     $ref: ../gpio/kontron,sl28cpld-gpio.yaml
   43 
   44   "^hwmon(@[0-9a-f]+)?$":
   45     $ref: ../hwmon/kontron,sl28cpld-hwmon.yaml
   46 
   47   "^interrupt-controller(@[0-9a-f]+)?$":
   48     $ref: ../interrupt-controller/kontron,sl28cpld-intc.yaml
   49 
   50   "^pwm(@[0-9a-f]+)?$":
   51     $ref: ../pwm/kontron,sl28cpld-pwm.yaml
   52 
   53   "^watchdog(@[0-9a-f]+)?$":
   54     $ref: ../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     };

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