From: Rafał Miłecki <rafal@xxxxxxxxxx> This helps validating DTS and writing YAML files. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../bindings/pinctrl/pinctrl-bindings.txt | 41 +---------------- .../devicetree/bindings/pinctrl/pinctrl.yaml | 45 +++++++++++++++++++ 2 files changed, 46 insertions(+), 40 deletions(-) create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index 9dae60acf950..6904072d3944 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -97,47 +97,8 @@ For example: }; == Pin controller devices == -Required properties: See the pin controller driver specific documentation -Optional properties: -#pinctrl-cells: Number of pin control cells in addition to the index within the - pin controller device instance - -pinctrl-use-default: Boolean. 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. - -Pin controller devices should contain the pin configuration nodes that client -devices reference. - -For example: - - pincontroller { - ... /* Standard DT properties for the device itself elided */ - - state_0_node_a { - ... - }; - state_1_node_a { - ... - }; - state_1_node_b { - ... - }; - } - -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. +See pinctrl.yaml == Generic pin multiplexing node content == diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml new file mode 100644 index 000000000000..d471563119a9 --- /dev/null +++ b/Documentation/devicetree/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@xxxxxxxxxx> + - Rafał Miłecki <rafal@xxxxxxxxxx> + +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 -- 2.31.1