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| author | Lukasz Majewski <lukma@denx.de> | 2022-05-09 14:13:13 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-05-09 19:04:35 +0100 |
| commit | 29e87c4f62e2e688c1c91da9f8d54d0f042cb75e (patch) | |
| tree | c627b70ee9a250f030ad75d7b5beb07f56bda5ca /Documentation | |
| parent | 17770e66a7cc51667ddcdf31a4ed55210f30dc1e (diff) | |
| download | linux-29e87c4f62e2e688c1c91da9f8d54d0f042cb75e.tar.bz2 | |
doc: dts: Add device tree information regarding wm8940 codec
This commit provides documentation entry for wm8940 codec.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220509121313.31216-1-lukma@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/wlf,wm8940.yaml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8940.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8940.yaml new file mode 100644 index 000000000000..8aadcbeed502 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,wm8940.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/wlf,wm8940.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Wolfson WM8940 Codec Device Tree Bindings + +maintainers: + - patches@opensource.cirrus.com + +properties: + '#sound-dai-cells': + const: 0 + + compatible: + const: wlf,wm8940 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 526000 + +required: + - '#sound-dai-cells' + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + codec@0 { + #sound-dai-cells = <0>; + compatible = "wlf,wm8940"; + reg = <0>; + spi-max-frequency = <500000>; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + codec@1a { + #sound-dai-cells = <0>; + compatible = "wlf,wm8940"; + reg = <0x1a>; + }; + }; + +... |