diff options
| -rw-r--r-- | Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt | 39 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml | 70 | ||||
| -rw-r--r-- | MAINTAINERS | 2 |
3 files changed, 71 insertions, 40 deletions
diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt deleted file mode 100644 index d2b3105dba67..000000000000 --- a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt +++ /dev/null @@ -1,39 +0,0 @@ -I/O channel multiplexer bindings - -If a multiplexer is used to select which hardware signal is fed to -e.g. an ADC channel, these bindings describe that situation. - -Required properties: -- compatible : "io-channel-mux" -- io-channels : Channel node of the parent channel that has multiplexed - input. -- io-channel-names : Should be "parent". -- #address-cells = <1>; -- #size-cells = <0>; -- mux-controls : Mux controller node to use for operating the mux -- channels : List of strings, labeling the mux controller states. - -For each non-empty string in the channels property, an io-channel will -be created. The number of this io-channel is the same as the index into -the list of strings in the channels property, and also matches the mux -controller state. The mux controller state is described in -../mux/mux-controller.yaml - -Example: - mux: mux-controller { - compatible = "gpio-mux"; - #mux-control-cells = <0>; - - mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>, - <&pioA 1 GPIO_ACTIVE_HIGH>; - }; - - adc-mux { - compatible = "io-channel-mux"; - io-channels = <&adc 0>; - io-channel-names = "parent"; - - mux-controls = <&mux>; - - channels = "sync", "in", "system-regulator"; - }; diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml new file mode 100644 index 000000000000..870b043406d8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/multiplexer/io-channel-mux.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: I/O channel multiplexer bindings + +maintainers: + - Peter Rosin <peda@axentia.se> + +description: | + If a multiplexer is used to select which hardware signal is fed to + e.g. an ADC channel, these bindings describe that situation. + + For each non-empty string in the channels property, an io-channel will be + created. The number of this io-channel is the same as the index into the list + of strings in the channels property, and also matches the mux controller + state. The mux controller state is described in + Documentation/devicetree/bindings/mux/mux-controller.yaml + +properties: + + compatible: + const: io-channel-mux + + io-channels: + maxItems: 1 + description: Channel node of the parent channel that has multiplexed input. + + io-channel-names: + const: parent + + mux-controls: true + mux-control-names: true + + channels: + $ref: /schemas/types.yaml#/definitions/string-array + description: + List of strings, labeling the mux controller states. + +required: + - compatible + - io-channels + - io-channel-names + - mux-controls + - channels + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + mux: mux-controller { + compatible = "gpio-mux"; + #mux-control-cells = <0>; + + mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>, + <&pioA 1 GPIO_ACTIVE_HIGH>; + }; + + adc-mux { + compatible = "io-channel-mux"; + io-channels = <&adc 0>; + io-channel-names = "parent"; + + mux-controls = <&mux>; + channels = "sync", "in", "system-regulator"; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index bd7aff0c120f..8241b5ee23ea 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8858,7 +8858,7 @@ IIO MULTIPLEXER M: Peter Rosin <peda@axentia.se> L: linux-iio@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt +F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml F: drivers/iio/multiplexer/iio-mux.c IIO SCMI BASED DRIVER |