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-rw-r--r-- | Documentation/devicetree/bindings/sound/wlf,wm8962.yaml | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8962.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8962.yaml new file mode 100644 index 000000000..5e172e946 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,wm8962.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/wlf,wm8962.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Wolfson WM8962 Ultra-Low Power Stereo CODEC + +maintainers: + - patches@opensource.cirrus.com + +properties: + compatible: + const: wlf,wm8962 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + AVDD-supply: + description: Analogue supply. + + CPVDD-supply: + description: Charge pump power supply. + + DBVDD-supply: + description: Digital Buffer Supply. + + DCVDD-supply: + description: Digital Core Supply. + + MICVDD-supply: + description: Microphone bias amp supply. + + PLLVDD-supply: + description: PLL Supply + + SPKVDD1-supply: + description: Supply for left speaker drivers. + + SPKVDD2-supply: + description: Supply for right speaker drivers. + + spk-mono: + $ref: /schemas/types.yaml#/definitions/flag + description: + If present, the SPK_MONO bit of R51 (Class D Control 2) gets set, + indicating that the speaker is in mono mode. + + mic-cfg: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Default register value for R48 (Additional Control 4). + If absent, the default should be the register default. + + gpio-cfg: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 6 + maxItems: 6 + description: + A list of GPIO configuration register values. If absent, no + configuration of these registers is performed. Note that only values + within [0x0, 0xffff] are valid. Any other value is regarded as setting + the GPIO register to its reset value 0x0. + + port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + - AVDD-supply + - CPVDD-supply + - DBVDD-supply + - DCVDD-supply + - MICVDD-supply + - PLLVDD-supply + - SPKVDD1-supply + - SPKVDD2-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx6qdl-clock.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + wm8962: codec@1a { + compatible = "wlf,wm8962"; + reg = <0x1a>; + clocks = <&clks IMX6QDL_CLK_CKO>; + DCVDD-supply = <®_audio>; + DBVDD-supply = <®_audio>; + AVDD-supply = <®_audio>; + CPVDD-supply = <®_audio>; + MICVDD-supply = <®_audio>; + PLLVDD-supply = <®_audio>; + SPKVDD1-supply = <®_audio>; + SPKVDD2-supply = <®_audio>; + gpio-cfg = < + 0x0000 /* 0:Default */ + 0x0000 /* 1:Default */ + 0x0013 /* 2:FN_DMICCLK */ + 0x0000 /* 3:Default */ + 0x8014 /* 4:FN_DMICCDAT */ + 0x0000 /* 5:Default */ + >; + }; + }; |