The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/gpio-mvebu.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/gpio/gpio-mvebu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Marvell EBU GPIO controller
    8 
    9 maintainers:
   10   - Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   11   - Andrew Lunn <andrew@lunn.ch>
   12 
   13 properties:
   14   compatible:
   15     oneOf:
   16       - enum:
   17           - marvell,armada-8k-gpio
   18           - marvell,orion-gpio
   19 
   20       - items:
   21           - enum:
   22               - marvell,mv78200-gpio
   23               - marvell,armada-370-gpio
   24           - const: marvell,orion-gpio
   25 
   26       - description: Deprecated binding
   27         items:
   28           - const: marvell,armadaxp-gpio
   29           - const: marvell,orion-gpio
   30         deprecated: true
   31 
   32   reg:
   33     description: |
   34       Address and length of the register set for the device. Not used for
   35       marvell,armada-8k-gpio.
   36 
   37       A second entry can be provided, for the PWM function using the GPIO Blink
   38       Counter on/off registers.
   39     minItems: 1
   40     maxItems: 2
   41 
   42   reg-names:
   43     items:
   44       - const: gpio
   45       - const: pwm
   46     minItems: 1
   47 
   48   offset:
   49     $ref: /schemas/types.yaml#/definitions/uint32
   50     description: Offset in the register map for the gpio registers (in bytes)
   51 
   52   interrupts:
   53     description: |
   54       The list of interrupts that are used for all the pins managed by this
   55       GPIO bank. There can be more than one interrupt (example: 1 interrupt
   56       per 8 pins on Armada XP, which means 4 interrupts per bank of 32
   57       GPIOs).
   58     minItems: 1
   59     maxItems: 4
   60 
   61   interrupt-controller: true
   62 
   63   "#interrupt-cells":
   64     const: 2
   65 
   66   gpio-controller: true
   67 
   68   ngpios:
   69     minimum: 1
   70     maximum: 32
   71 
   72   "#gpio-cells":
   73     const: 2
   74 
   75   marvell,pwm-offset:
   76     $ref: /schemas/types.yaml#/definitions/uint32
   77     description: Offset in the register map for the pwm registers (in bytes)
   78 
   79   "#pwm-cells":
   80     description:
   81       The first cell is the GPIO line number. The second cell is the period
   82       in nanoseconds.
   83     const: 2
   84 
   85   clocks:
   86     description:
   87       Clock(s) used for PWM function.
   88     items:
   89       - description: Core clock
   90       - description: AXI bus clock
   91     minItems: 1
   92 
   93   clock-names:
   94     items:
   95       - const: core
   96       - const: axi
   97     minItems: 1
   98 
   99 required:
  100   - compatible
  101   - gpio-controller
  102   - ngpios
  103   - "#gpio-cells"
  104 
  105 allOf:
  106   - if:
  107       properties:
  108         compatible:
  109           contains:
  110             const: marvell,armada-8k-gpio
  111     then:
  112       required:
  113         - offset
  114     else:
  115       required:
  116         - reg
  117 
  118 unevaluatedProperties: true
  119 
  120 examples:
  121   - |
  122     gpio@d0018100 {
  123       compatible = "marvell,armadaxp-gpio", "marvell,orion-gpio";
  124       reg = <0xd0018100 0x40>, <0xd0018800 0x30>;
  125       ngpios = <32>;
  126       gpio-controller;
  127       #gpio-cells = <2>;
  128       interrupt-controller;
  129       #interrupt-cells = <2>;
  130       interrupts = <16>, <17>, <18>, <19>;
  131     };
  132 
  133   - |
  134     gpio@18140 {
  135       compatible = "marvell,armada-370-gpio", "marvell,orion-gpio";
  136       reg = <0x18140 0x40>, <0x181c8 0x08>;
  137       reg-names = "gpio", "pwm";
  138       ngpios = <17>;
  139       gpio-controller;
  140       #gpio-cells = <2>;
  141       #pwm-cells = <2>;
  142       interrupt-controller;
  143       #interrupt-cells = <2>;
  144       interrupts = <87>, <88>, <89>;
  145       clocks = <&coreclk 0>;
  146     };

Cache object: b526e84a8122d87e15fddcbe205ddde2


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