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/pinctrl/pinctrl.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/pinctrl/pinctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Pin controller device
    8 
    9 maintainers:
   10   - Linus Walleij <linus.walleij@linaro.org>
   11   - Rafał Miłecki <rafal@milecki.pl>
   12 
   13 description: |
   14   Pin controller devices should contain the pin configuration nodes that client
   15   devices reference.
   16 
   17   The contents of each of those pin configuration child nodes is defined
   18   entirely by the binding for the individual pin controller device. There
   19   exists no common standard for this content. The pinctrl framework only
   20   provides generic helper bindings that the pin controller driver can use.
   21 
   22   The pin configuration nodes need not be direct children of the pin controller
   23   device; they may be grandchildren, for example. Whether this is legal, and
   24   whether there is any interaction between the child and intermediate parent
   25   nodes, is again defined entirely by the binding for the individual pin
   26   controller device.
   27 
   28 properties:
   29   $nodename:
   30     pattern: "^(pinctrl|pinmux)(@[0-9a-f]+)?$"
   31 
   32   "#pinctrl-cells":
   33     description: >
   34       Number of pin control cells in addition to the index within the pin
   35       controller device instance.
   36 
   37   pinctrl-use-default:
   38     type: boolean
   39     description: >
   40       Indicates that the OS can use the boot default pin configuration. This
   41       allows using an OS that does not have a driver for the pin controller.
   42       This property can be set either globally for the pin controller or in
   43       child nodes for individual pin group control.
   44 
   45 additionalProperties: true

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