Add device tree binding documentation for Everest ES8326
Signed-off-by: David Yang yangxiaohua@everest-semi.com Signed-off-by: Zhu Ning zhuning@everest-semi.com ---- v4 add properity for reg58 and reg59 --- .../bindings/sound/everest,es8326.yaml | 116 ++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100755 Documentation/devicetree/bindings/sound/everest,es8326.yaml
diff --git a/Documentation/devicetree/bindings/sound/everest,es8326.yaml b/Documentation/devicetree/bindings/sound/everest,es8326.yaml new file mode 100755 index 000000000000..d957211516f0 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/everest,es8326.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/everest,es8326.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Everest ES8326 audio CODEC + +maintainers: + - David Yang yangxiaohua@everest-semi.com + +properties: + compatible: + const: everest,es8326 + + reg: + maxItems: 1 + + clocks: + items: + - description: clock for master clock (MCLK) + + clock-names: + items: + - const: mclk + + "#sound-dai-cells": + const: 0 + + everest,jack-pol: + description: + just the value of reg 57. Bit(3) decides whether the jack polarity is inverted. + Bit(2) decides whether the button on the headset is inverted. + Bit(1)/(0) decides the mic properity to be OMTP/CTIA or auto. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0x00 + maximum: 0x0f + default: 0x0f + + everest,mic1-src: + description: + the value of reg 2A when headset plugged. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0x00 + maximum: 0x77 + default: 0x22 + + everest,mic2-src: + description: + the value of reg 2A when headset unplugged. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0x00 + maximum: 0x77 + default: 0x44 + + everest,jack-detect-inverted: + description: + Defined to invert the jack detection. + $ref: /schemas/types.yaml#/definitions/flag + + everest,interrupt-src: + description: + value of reg 0x58, Defines the interrupt source. + Bit(2) 1 means button press triggers irq, 0 means not. + Bit(3) 1 means PIN9 is the irq source for jack detection. When set to 0, + bias change on PIN9 do not triggers irq. + Bit(4) 1 means PIN27 is the irq source for jack detection. + Bit(5) 1 means PIN9 is the irq source after MIC detect. + Bit(6) 1 means PIN27 is the irq source after MIC detect. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0 + maximum: 0x3c + default: 0x08 + + everest,interrupt-clk: + description: + value of reg 0x59, Defines the interrupt output behavior. + Bit(0-3) 0 means irq pulse equals 512*internal clock + 1 means irq pulse equals 1024*internal clock + 2 means ... + 7 means irq pulse equals 65536*internal clock + 8 means irq mutes PA + 9 means irq mutes PA and DAC output + Bit(4) 1 means we invert the interrupt output. + Bit(6) 1 means the chip do not detect jack type after button released. + 0 means the chip detect jack type again after button released. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0 + maximum: 0x7f + default: 0x45 + +required: + - compatible + - reg + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + es8326: codec@19 { + compatible = "everest,es8326"; + reg = <0x19>; + clocks = <&clks 10>; + clock-names = "mclk"; + #sound-dai-cells = <0>; + everest,mic1-src = [22]; + everest,mic2-src = [44]; + everest,jack-pol = [0e]; + everest,interrupt-src = [08]; + everest,interrupt-clk = [45]; + }; + };