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Diffstat (limited to 'dts/Bindings/pinctrl/pinctrl.yaml')
| -rw-r--r-- | dts/Bindings/pinctrl/pinctrl.yaml | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/dts/Bindings/pinctrl/pinctrl.yaml b/dts/Bindings/pinctrl/pinctrl.yaml new file mode 100644 index 0000000000..d471563119 --- /dev/null +++ b/dts/Bindings/pinctrl/pinctrl.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Pin controller device + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Rafał Miłecki <rafal@milecki.pl> + +description: | + Pin controller devices should contain the pin configuration nodes that client + devices reference. + + The contents of each of those pin configuration child nodes is defined + entirely by the binding for the individual pin controller device. There + exists no common standard for this content. The pinctrl framework only + provides generic helper bindings that the pin controller driver can use. + + The pin configuration nodes need not be direct children of the pin controller + device; they may be grandchildren, for example. Whether this is legal, and + whether there is any interaction between the child and intermediate parent + nodes, is again defined entirely by the binding for the individual pin + controller device. + +properties: + $nodename: + pattern: "^(pinctrl|pinmux)(@[0-9a-f]+)?$" + + "#pinctrl-cells": + description: > + Number of pin control cells in addition to the index within the pin + controller device instance. + + pinctrl-use-default: + type: boolean + description: > + Indicates that the OS can use the boot default pin configuration. This + allows using an OS that does not have a driver for the pin controller. + This property can be set either globally for the pin controller or in + child nodes for individual pin group control. + +additionalProperties: true |