1 Dialog Semiconductor DA7218 Audio Codec bindin
2
3 DA7218 is an audio codec with HP detect featur
4
5 ======
6
7 Required properties:
8 - compatible : Should be "dlg,da7217" or "dlg,
9 - reg: Specifies the I2C slave address
10
11 - VDD-supply: VDD power supply for the device
12 - VDDMIC-supply: VDDMIC power supply for the d
13 - VDDIO-supply: VDDIO power supply for the dev
14 (See Documentation/devicetree/bindings/regul
15 information relating to regulators)
16
17 Optional properties:
18 - interrupts: IRQ line info for DA7218 chip.
19 (See Documentation/devicetree/bindings/inter
20 further information relating to interrupt p
21 - interrupt-names : Name associated with inter
22 interrupt is to be used to wake system, othe
23 - wakeup-source: Flag to indicate this device
24
25 - clocks : phandle and clock specifier for cod
26 - clock-names : Clock name string for 'clocks'
27
28 - dlg,micbias1-lvl-millivolt : Voltage (mV) fo
29 [<1200>, <1600>, <1800>, <2000>, <2200
30 - dlg,micbias2-lvl-millivolt : Voltage (mV) fo
31 [<1200>, <1600>, <1800>, <2000>, <2200
32 - dlg,mic1-amp-in-sel : Mic1 input source type
33 ["diff", "se_p", "se_n"]
34 - dlg,mic2-amp-in-sel : Mic2 input source type
35 ["diff", "se_p", "se_n"]
36 - dlg,dmic1-data-sel : DMIC1 channel select ba
37 ["lrise_rfall", "lfall_rrise"]
38 - dlg,dmic1-samplephase : When to sample audio
39 ["on_clkedge", "between_clkedge"]
40 - dlg,dmic1-clkrate-hz : DMic1 clock frequency
41 [<1500000>, <3000000>]
42 - dlg,dmic2-data-sel : DMic2 channel select ba
43 ["lrise_rfall", "lfall_rrise"]
44 - dlg,dmic2-samplephase : When to sample audio
45 ["on_clkedge", "between_clkedge"]
46 - dlg,dmic2-clkrate-hz : DMic2 clock frequency
47 [<1500000>, <3000000>]
48 - dlg,hp-diff-single-supply : Boolean flag, us
49 (DA7217 only)
50
51 ======
52
53 Optional Child node - 'da7218_hpldet' (DA7218
54
55 Optional properties:
56 - dlg,jack-rate-us : Time between jack detect
57 [<5>, <10>, <20>, <40>, <80>, <160>, <
58 - dlg,jack-debounce : Number of debounce measu
59 [<0>, <2>, <3>, <4>]
60 - dlg,jack-threshold-pct : Threshold level for
61 [<84>, <88>, <92>, <96>]
62 - dlg,comp-inv : Boolean flag, invert comparat
63 - dlg,hyst : Boolean flag, enable hysteresis
64 - dlg,discharge : Boolean flag, auto discharge
65
66 ======
67
68 Example:
69
70 codec: da7218@1a {
71 compatible = "dlg,da7218";
72 reg = <0x1a>;
73 interrupt-parent = <&gpio6>;
74 interrupts = <11 IRQ_TYPE_LEVE
75 wakeup-source;
76
77 VDD-supply = <®_audio>;
78 VDDMIC-supply = <®_audio>;
79 VDDIO-supply = <®_audio>;
80
81 clocks = <&clks 201>;
82 clock-names = "mclk";
83
84 dlg,micbias1-lvl-millivolt = <
85 dlg,micbias2-lvl-millivolt = <
86 dlg,mic1-amp-in-sel = "diff";
87 dlg,mic2-amp-in-sel = "diff";
88
89 dlg,dmic1-data-sel = "lrise_rf
90 dlg,dmic1-samplephase = "on_cl
91 dlg,dmic1-clkrate-hz = <300000
92 dlg,dmic2-data-sel = "lrise_rf
93 dlg,dmic2-samplephase = "on_cl
94 dlg,dmic2-clkrate-hz = <300000
95
96 da7218_hpldet {
97 dlg,jack-rate-us = <40
98 dlg,jack-debounce = <2
99 dlg,jack-threshold-pct
100 dlg,hyst;
101 };
102 };
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