1 RT5682 audio CODEC 1 RT5682 audio CODEC
2 2
3 This device supports I2C only. 3 This device supports I2C only.
4 4
5 Required properties: 5 Required properties:
6 6
7 - compatible : "realtek,rt5682" or "realtek,rt 7 - compatible : "realtek,rt5682" or "realtek,rt5682i"
8 8
9 - reg : The I2C address of the device. 9 - reg : The I2C address of the device.
10 10
11 - AVDD-supply: phandle to the regulator supply 11 - AVDD-supply: phandle to the regulator supplying analog power through the
12 AVDD pin 12 AVDD pin
13 13
14 - MICVDD-supply: phandle to the regulator supp 14 - MICVDD-supply: phandle to the regulator supplying power for the microphone
15 bias through the MICVDD pin. Either MICVDD o 15 bias through the MICVDD pin. Either MICVDD or VBAT should be present.
16 16
17 - VBAT-supply: phandle to the regulator supply 17 - VBAT-supply: phandle to the regulator supplying battery power through the
18 VBAT pin. Either MICVDD or VBAT should be pr 18 VBAT pin. Either MICVDD or VBAT should be present.
19 19
20 - DBVDD-supply: phandle to the regulator suppl 20 - DBVDD-supply: phandle to the regulator supplying I/O power through the DBVDD
21 pin. 21 pin.
22 22
23 - LDO1-IN-supply: phandle to the regulator sup 23 - LDO1-IN-supply: phandle to the regulator supplying power to the digital core
24 and charge pump through the LDO1_IN pin. 24 and charge pump through the LDO1_IN pin.
25 25
26 Optional properties: 26 Optional properties:
27 27
28 - interrupts : The CODEC's interrupt output. 28 - interrupts : The CODEC's interrupt output.
29 29
30 - realtek,dmic1-data-pin 30 - realtek,dmic1-data-pin
31 0: dmic1 is not used 31 0: dmic1 is not used
32 1: using GPIO2 pin as dmic1 data pin 32 1: using GPIO2 pin as dmic1 data pin
33 2: using GPIO5 pin as dmic1 data pin 33 2: using GPIO5 pin as dmic1 data pin
34 34
35 - realtek,dmic1-clk-pin 35 - realtek,dmic1-clk-pin
36 0: using GPIO1 pin as dmic1 clock pin 36 0: using GPIO1 pin as dmic1 clock pin
37 1: using GPIO3 pin as dmic1 clock pin 37 1: using GPIO3 pin as dmic1 clock pin
38 38
39 - realtek,jd-src 39 - realtek,jd-src
40 0: No JD is used 40 0: No JD is used
41 1: using JD1 as JD source 41 1: using JD1 as JD source
42 42
43 - realtek,ldo1-en-gpios : The GPIO that contro 43 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
44 44
45 - realtek,btndet-delay 45 - realtek,btndet-delay
46 The debounce delay for push button. 46 The debounce delay for push button.
47 The delay time is realtek,btndet-delay value 47 The delay time is realtek,btndet-delay value multiple of 8.192 ms.
48 If absent, the default is 16. 48 If absent, the default is 16.
49 49
50 - #clock-cells : Should be set to '<1>', wclk 50 - #clock-cells : Should be set to '<1>', wclk and bclk sources provided.
51 - clock-output-names : Name given for DAI cloc 51 - clock-output-names : Name given for DAI clocks output.
52 52
53 - clocks : phandle and clock specifier for cod 53 - clocks : phandle and clock specifier for codec MCLK.
54 - clock-names : Clock name string for 'clocks' 54 - clock-names : Clock name string for 'clocks' attribute, should be "mclk".
55 55
56 - realtek,dmic-clk-rate-hz : Set the clock rat 56 - realtek,dmic-clk-rate-hz : Set the clock rate (hz) for the requirement of
57 the particular DMIC. 57 the particular DMIC.
58 58
59 - realtek,dmic-delay-ms : Set the delay time ( 59 - realtek,dmic-delay-ms : Set the delay time (ms) for the requirement of
60 the particular DMIC. 60 the particular DMIC.
61 61
62 - realtek,dmic-clk-driving-high : Set the high 62 - realtek,dmic-clk-driving-high : Set the high driving of the DMIC clock out.
63 63
64 - #sound-dai-cells: Should be set to '<1>'. 64 - #sound-dai-cells: Should be set to '<1>'.
65 65
66 Pins on the device (for linking into audio rou 66 Pins on the device (for linking into audio routes) for RT5682:
67 67
68 * DMIC L1 68 * DMIC L1
69 * DMIC R1 69 * DMIC R1
70 * IN1P 70 * IN1P
71 * HPOL 71 * HPOL
72 * HPOR 72 * HPOR
73 73
74 Example: 74 Example:
75 75
76 rt5682 { 76 rt5682 {
77 compatible = "realtek,rt5682i"; 77 compatible = "realtek,rt5682i";
78 reg = <0x1a>; 78 reg = <0x1a>;
79 interrupt-parent = <&gpio>; 79 interrupt-parent = <&gpio>;
80 interrupts = <TEGRA_GPIO(U, 6) IRQ_TYP 80 interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>;
81 realtek,ldo1-en-gpios = 81 realtek,ldo1-en-gpios =
82 <&gpio TEGRA_GPIO(R, 2) GPIO_A 82 <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
83 realtek,dmic1-data-pin = <1>; 83 realtek,dmic1-data-pin = <1>;
84 realtek,dmic1-clk-pin = <1>; 84 realtek,dmic1-clk-pin = <1>;
85 realtek,jd-src = <1>; 85 realtek,jd-src = <1>;
86 realtek,btndet-delay = <16>; 86 realtek,btndet-delay = <16>;
87 87
88 #clock-cells = <1>; 88 #clock-cells = <1>;
89 clock-output-names = "rt5682-dai-wclk" 89 clock-output-names = "rt5682-dai-wclk", "rt5682-dai-bclk";
90 90
91 clocks = <&osc>; 91 clocks = <&osc>;
92 clock-names = "mclk"; 92 clock-names = "mclk";
93 93
94 AVDD-supply = <&avdd_reg>; 94 AVDD-supply = <&avdd_reg>;
95 MICVDD-supply = <&micvdd_reg>; 95 MICVDD-supply = <&micvdd_reg>;
96 DBVDD-supply = <&dbvdd_reg>; 96 DBVDD-supply = <&dbvdd_reg>;
97 LDO1-IN-supply = <&ldo1_in_reg>; 97 LDO1-IN-supply = <&ldo1_in_reg>;
98 }; 98 };
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