1 Dialog Semiconductor DA7218 Audio Codec bindin 1 Dialog Semiconductor DA7218 Audio Codec bindings
2 2
3 DA7218 is an audio codec with HP detect featur 3 DA7218 is an audio codec with HP detect feature.
4 4
5 ====== 5 ======
6 6
7 Required properties: 7 Required properties:
8 - compatible : Should be "dlg,da7217" or "dlg, 8 - compatible : Should be "dlg,da7217" or "dlg,da7218"
9 - reg: Specifies the I2C slave address 9 - reg: Specifies the I2C slave address
10 10
11 - VDD-supply: VDD power supply for the device 11 - VDD-supply: VDD power supply for the device
12 - VDDMIC-supply: VDDMIC power supply for the d 12 - VDDMIC-supply: VDDMIC power supply for the device
13 - VDDIO-supply: VDDIO power supply for the dev 13 - VDDIO-supply: VDDIO power supply for the device
14 (See Documentation/devicetree/bindings/regul 14 (See Documentation/devicetree/bindings/regulator/regulator.txt for further
15 information relating to regulators) 15 information relating to regulators)
16 16
17 Optional properties: 17 Optional properties:
18 - interrupts: IRQ line info for DA7218 chip. 18 - interrupts: IRQ line info for DA7218 chip.
19 (See Documentation/devicetree/bindings/inter 19 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for
20 further information relating to interrupt p 20 further information relating to interrupt properties)
21 - interrupt-names : Name associated with inter 21 - interrupt-names : Name associated with interrupt line. Should be "wakeup" if
22 interrupt is to be used to wake system, othe 22 interrupt is to be used to wake system, otherwise "irq" should be used.
23 - wakeup-source: Flag to indicate this device 23 - wakeup-source: Flag to indicate this device can wake system (suspend/resume).
24 24
25 - clocks : phandle and clock specifier for cod 25 - clocks : phandle and clock specifier for codec MCLK.
26 - clock-names : Clock name string for 'clocks' 26 - clock-names : Clock name string for 'clocks' attribute, should be "mclk".
27 27
28 - dlg,micbias1-lvl-millivolt : Voltage (mV) fo 28 - dlg,micbias1-lvl-millivolt : Voltage (mV) for Mic Bias 1
29 [<1200>, <1600>, <1800>, <2000>, <2200 29 [<1200>, <1600>, <1800>, <2000>, <2200>, <2400>, <2600>, <2800>, <3000>]
30 - dlg,micbias2-lvl-millivolt : Voltage (mV) fo 30 - dlg,micbias2-lvl-millivolt : Voltage (mV) for Mic Bias 2
31 [<1200>, <1600>, <1800>, <2000>, <2200 31 [<1200>, <1600>, <1800>, <2000>, <2200>, <2400>, <2600>, <2800>, <3000>]
32 - dlg,mic1-amp-in-sel : Mic1 input source type 32 - dlg,mic1-amp-in-sel : Mic1 input source type
33 ["diff", "se_p", "se_n"] 33 ["diff", "se_p", "se_n"]
34 - dlg,mic2-amp-in-sel : Mic2 input source type 34 - dlg,mic2-amp-in-sel : Mic2 input source type
35 ["diff", "se_p", "se_n"] 35 ["diff", "se_p", "se_n"]
36 - dlg,dmic1-data-sel : DMIC1 channel select ba 36 - dlg,dmic1-data-sel : DMIC1 channel select based on clock edge.
37 ["lrise_rfall", "lfall_rrise"] 37 ["lrise_rfall", "lfall_rrise"]
38 - dlg,dmic1-samplephase : When to sample audio 38 - dlg,dmic1-samplephase : When to sample audio from DMIC1.
39 ["on_clkedge", "between_clkedge"] 39 ["on_clkedge", "between_clkedge"]
40 - dlg,dmic1-clkrate-hz : DMic1 clock frequency 40 - dlg,dmic1-clkrate-hz : DMic1 clock frequency (Hz).
41 [<1500000>, <3000000>] 41 [<1500000>, <3000000>]
42 - dlg,dmic2-data-sel : DMic2 channel select ba 42 - dlg,dmic2-data-sel : DMic2 channel select based on clock edge.
43 ["lrise_rfall", "lfall_rrise"] 43 ["lrise_rfall", "lfall_rrise"]
44 - dlg,dmic2-samplephase : When to sample audio 44 - dlg,dmic2-samplephase : When to sample audio from DMic2.
45 ["on_clkedge", "between_clkedge"] 45 ["on_clkedge", "between_clkedge"]
46 - dlg,dmic2-clkrate-hz : DMic2 clock frequency 46 - dlg,dmic2-clkrate-hz : DMic2 clock frequency (Hz).
47 [<1500000>, <3000000>] 47 [<1500000>, <3000000>]
48 - dlg,hp-diff-single-supply : Boolean flag, us 48 - dlg,hp-diff-single-supply : Boolean flag, use single supply for HP
49 (DA7217 only) 49 (DA7217 only)
50 50
51 ====== 51 ======
52 52
53 Optional Child node - 'da7218_hpldet' (DA7218 53 Optional Child node - 'da7218_hpldet' (DA7218 only):
54 54
55 Optional properties: 55 Optional properties:
56 - dlg,jack-rate-us : Time between jack detect 56 - dlg,jack-rate-us : Time between jack detect measurements (us)
57 [<5>, <10>, <20>, <40>, <80>, <160>, < 57 [<5>, <10>, <20>, <40>, <80>, <160>, <320>, <640>]
58 - dlg,jack-debounce : Number of debounce measu 58 - dlg,jack-debounce : Number of debounce measurements taken for jack detect
59 [<0>, <2>, <3>, <4>] 59 [<0>, <2>, <3>, <4>]
60 - dlg,jack-threshold-pct : Threshold level for 60 - dlg,jack-threshold-pct : Threshold level for jack detection (% of VDD)
61 [<84>, <88>, <92>, <96>] 61 [<84>, <88>, <92>, <96>]
62 - dlg,comp-inv : Boolean flag, invert comparat 62 - dlg,comp-inv : Boolean flag, invert comparator output
63 - dlg,hyst : Boolean flag, enable hysteresis 63 - dlg,hyst : Boolean flag, enable hysteresis
64 - dlg,discharge : Boolean flag, auto discharge 64 - dlg,discharge : Boolean flag, auto discharge of Mic Bias on jack removal
65 65
66 ====== 66 ======
67 67
68 Example: 68 Example:
69 69
70 codec: da7218@1a { 70 codec: da7218@1a {
71 compatible = "dlg,da7218"; 71 compatible = "dlg,da7218";
72 reg = <0x1a>; 72 reg = <0x1a>;
73 interrupt-parent = <&gpio6>; 73 interrupt-parent = <&gpio6>;
74 interrupts = <11 IRQ_TYPE_LEVE 74 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
75 wakeup-source; 75 wakeup-source;
76 76
77 VDD-supply = <®_audio>; 77 VDD-supply = <®_audio>;
78 VDDMIC-supply = <®_audio>; 78 VDDMIC-supply = <®_audio>;
79 VDDIO-supply = <®_audio>; 79 VDDIO-supply = <®_audio>;
80 80
81 clocks = <&clks 201>; 81 clocks = <&clks 201>;
82 clock-names = "mclk"; 82 clock-names = "mclk";
83 83
84 dlg,micbias1-lvl-millivolt = < 84 dlg,micbias1-lvl-millivolt = <2600>;
85 dlg,micbias2-lvl-millivolt = < 85 dlg,micbias2-lvl-millivolt = <2600>;
86 dlg,mic1-amp-in-sel = "diff"; 86 dlg,mic1-amp-in-sel = "diff";
87 dlg,mic2-amp-in-sel = "diff"; 87 dlg,mic2-amp-in-sel = "diff";
88 88
89 dlg,dmic1-data-sel = "lrise_rf 89 dlg,dmic1-data-sel = "lrise_rfall";
90 dlg,dmic1-samplephase = "on_cl 90 dlg,dmic1-samplephase = "on_clkedge";
91 dlg,dmic1-clkrate-hz = <300000 91 dlg,dmic1-clkrate-hz = <3000000>;
92 dlg,dmic2-data-sel = "lrise_rf 92 dlg,dmic2-data-sel = "lrise_rfall";
93 dlg,dmic2-samplephase = "on_cl 93 dlg,dmic2-samplephase = "on_clkedge";
94 dlg,dmic2-clkrate-hz = <300000 94 dlg,dmic2-clkrate-hz = <3000000>;
95 95
96 da7218_hpldet { 96 da7218_hpldet {
97 dlg,jack-rate-us = <40 97 dlg,jack-rate-us = <40>;
98 dlg,jack-debounce = <2 98 dlg,jack-debounce = <2>;
99 dlg,jack-threshold-pct 99 dlg,jack-threshold-pct = <84>;
100 dlg,hyst; 100 dlg,hyst;
101 }; 101 };
102 }; 102 };
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