bindings/sound/nuvoton%2Cnau8821.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Seven Lee <wtli@nuvoton.com>
13   - $ref: dai-common.yaml#
25   nuvoton,jkdet-enable:
29   nuvoton,jkdet-pull-enable:
30     description: Enable JKDET pin pull. If set - pin pull enabled,
31       otherwise pin in high impedance state.
34   nuvoton,jkdet-pull-up:
35     description: Pull-up JKDET pin. If set then JKDET pin is pull up,
39   nuvoton,key-enable:
43   nuvoton,jkdet-polarity:
47       - 0 # active high
48       - 1 # active low
51   nuvoton,micbias-voltage:
55       - 0 # VDDA
56       - 1 # VDDA * 1
57       - 2 # VDDA * 1.1
58       - 3 # VDDA * 1.2
59       - 4 # VDDA * 1.3
60       - 5 # VDDA * 1.4
61       - 6 # VDDA * 1.53
62       - 7 # VDDA * 1.53
65   nuvoton,vref-impedance:
66     description: VMID Tie-off impedance select.
69       - 0 # open
70       - 1 # 25KOhms
71       - 2 # 125KOhms
72       - 3 # 2.5KOhms
75   nuvoton,jack-insert-debounce:
81   nuvoton,jack-eject-debounce:
87   nuvoton,dmic-clk-threshold:
92   nuvoton,left-input-single-end:
93     description: Enable left input with single-ended settings if set.
94         For the headset mic application, the single-ended control is
98   '#sound-dai-cells':
102   - compatible
103   - reg
108   - |
109     #include <dt-bindings/gpio/gpio.h>
110     #include <dt-bindings/interrupt-controller/irq.h>
112         #address-cells = <1>;
113         #size-cells = <0>;
117             interrupt-parent = <&gpio>;
119             nuvoton,jkdet-enable;
120             nuvoton,jkdet-pull-enable;
121             nuvoton,jkdet-pull-up;
122             nuvoton,key-enable;
123             nuvoton,left-input-single-end;
124             nuvoton,jkdet-polarity = <GPIO_ACTIVE_LOW>;
125             nuvoton,micbias-voltage = <6>;
126             nuvoton,vref-impedance = <2>;
127             nuvoton,jack-insert-debounce = <7>;
128             nuvoton,jack-eject-debounce = <0>;
129             nuvoton,dmic-clk-threshold = <3072000>;
130             #sound-dai-cells = <0>;