diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/wlf,wm8960.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/sound/wlf,wm8960.yaml | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml new file mode 100644 index 0000000000..62e62c335d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/wlf,wm8960.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Wolfson WM8960 audio codec + +maintainers: + - patches@opensource.cirrus.com + +properties: + compatible: + const: wlf,wm8960 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: mclk + + '#sound-dai-cells': + const: 0 + + AVDD-supply: + description: Analogue supply. + + DBVDD-supply: + description: Digital Buffer Supply. + + DCVDD-supply: + description: Digital Core Supply. + + SPKVDD1-supply: + description: Supply for speaker drivers 1. + + SPKVDD2-supply: + description: Supply for speaker drivers 2. + + wlf,capless: + type: boolean + description: + If present, OUT3 pin will be enabled and disabled together with HP_L and + HP_R pins in response to jack detect events. + + wlf,gpio-cfg: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 2 + description: | + A list of GPIO configuration register values. + - gpio-cfg[0]: ALRCGPIO of R9 (Audio interface) + - gpio-cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4). + + wlf,hp-cfg: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 3 + description: | + A list of headphone jack detect configuration register values: + - hp-cfg[0]: HPSEL[1:0] of R48 (Additional Control 4). + - hp-cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2). + - hp-cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1). + + wlf,shared-lrclk: + type: boolean + description: + If present, the LRCM bit of R24 (Additional control 2) gets set, + indicating that ADCLRC and DACLRC pins will be disabled only when ADC + (Left and Right) and DAC (Left and Right) are disabled. + When WM8960 works on synchronize mode and DACLRC pin is used to supply + frame clock, it will no frame clock for captrue unless enable DAC to + enable DACLRC pin. If shared-lrclk is present, no need to enable DAC for + captrue. + +required: + - compatible + - reg + +allOf: + - $ref: dai-common.yaml# + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + audio-codec@1a { + compatible = "wlf,wm8960"; + reg = <0x1a>; + clocks = <&clks 0>; + clock-names = "mclk"; + #sound-dai-cells = <0>; + wlf,hp-cfg = <3 2 3>; + wlf,gpio-cfg = <1 3>; + wlf,shared-lrclk; + DCVDD-supply = <®_audio>; + DBVDD-supply = <®_audio>; + AVDD-supply = <®_audio>; + SPKVDD1-supply = <®_audio>; + SPKVDD2-supply = <®_audio>; + }; + }; |