Convert the dmic-codec binding to DT schema format.

The '#sound-dai-cells' and 'sound-name-prefix' properties were not documented, but are in use, so add them.

Reviewed-by: Arnaud Pouliquen arnaud.pouliquen@foss.st.com Signed-off-by: Rob Herring robh@kernel.org --- v2: - Fix example include and syntax errors - Update Arnaud's email --- .../devicetree/bindings/sound/dmic-codec.yaml | 55 +++++++++++++++++++ .../devicetree/bindings/sound/dmic.txt | 22 -------- 2 files changed, 55 insertions(+), 22 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/dmic-codec.yaml delete mode 100644 Documentation/devicetree/bindings/sound/dmic.txt

diff --git a/Documentation/devicetree/bindings/sound/dmic-codec.yaml b/Documentation/devicetree/bindings/sound/dmic-codec.yaml new file mode 100644 index 000000000000..bba27c985996 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dmic-codec.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/dmic-codec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic PDM Digital microphone (DMIC) codec + +maintainers: + - Arnaud Pouliquen arnaud.pouliquen@foss.st.com + +allOf: + - $ref: name-prefix.yaml# + +properties: + compatible: + const: dmic-codec + + '#sound-dai-cells': + const: 0 + + dmicen-gpios: + description: GPIO specifier for DMIC to control start and stop + maxItems: 1 + + num-channels: + description: Number of microphones on this DAI + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 8 + default: 8 + + modeswitch-delay-ms: + description: Delay (in ms) to complete DMIC mode switch + + wakeup-delay-ms: + description: Delay (in ms) after enabling the DMIC + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dmic { + compatible = "dmic-codec"; + dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + num-channels = <1>; + wakeup-delay-ms = <50>; + modeswitch-delay-ms = <35>; + }; +... diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt deleted file mode 100644 index 32e871037269..000000000000 --- a/Documentation/devicetree/bindings/sound/dmic.txt +++ /dev/null @@ -1,22 +0,0 @@ -Device-Tree bindings for Digital microphone (DMIC) codec - -This device support generic PDM digital microphone. - -Required properties: - - compatible: should be "dmic-codec". - -Optional properties: - - dmicen-gpios: GPIO specifier for dmic to control start and stop - - num-channels: Number of microphones on this DAI - - wakeup-delay-ms: Delay (in ms) after enabling the DMIC - - modeswitch-delay-ms: Delay (in ms) to complete DMIC mode switch - -Example node: - - dmic_codec: dmic@0 { - compatible = "dmic-codec"; - dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; - num-channels = <1>; - wakeup-delay-ms <50>; - modeswitch-delay-ms <35>; - };