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1 | Texas Instruments TWL6040 family | ||
2 | |||
3 | The TWL6040s are 8-channel high quality low-power audio codecs providing audio, | ||
4 | vibra and GPO functionality on OMAP4+ platforms. | ||
5 | They are connected ot the host processor via i2c for commands, McPDM for audio | ||
6 | data and commands. | ||
7 | |||
8 | Required properties: | ||
9 | - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041 | ||
10 | - reg: must be 0x4b for i2c address | ||
11 | - interrupts: twl6040 has one interrupt line connecteded to the main SoC | ||
12 | - interrupt-parent: The parent interrupt controller | ||
13 | - gpio-controller: | ||
14 | - #gpio-cells = <1>: twl6040 provides GPO lines. | ||
15 | - twl6040,audpwron-gpio: Power on GPIO line for the twl6040 | ||
16 | |||
17 | - vio-supply: Regulator for the twl6040 VIO supply | ||
18 | - v2v1-supply: Regulator for the twl6040 V2V1 supply | ||
19 | |||
20 | Optional properties, nodes: | ||
21 | - enable-active-high: To power on the twl6040 during boot. | ||
22 | |||
23 | Vibra functionality | ||
24 | Required properties: | ||
25 | - vddvibl-supply: Regulator for the left vibra motor | ||
26 | - vddvibr-supply: Regulator for the right vibra motor | ||
27 | - vibra { }: Configuration section for vibra parameters containing the following | ||
28 | properties: | ||
29 | - ti,vibldrv-res: Resistance parameter for left driver | ||
30 | - ti,vibrdrv-res: Resistance parameter for right driver | ||
31 | - ti,viblmotor-res: Resistance parameter for left motor | ||
32 | - ti,viblmotor-res: Resistance parameter for right motor | ||
33 | |||
34 | Optional properties within vibra { } section: | ||
35 | - vddvibl_uV: If the vddvibl default voltage need to be changed | ||
36 | - vddvibr_uV: If the vddvibr default voltage need to be changed | ||
37 | |||
38 | Example: | ||
39 | &i2c1 { | ||
40 | twl6040: twl@4b { | ||
41 | compatible = "ti,twl6040"; | ||
42 | |||
43 | interrupts = <0 119 4>; | ||
44 | interrupt-parent = <&gic>; | ||
45 | twl6040,audpwron-gpio = <&gpio4 31 0>; | ||
46 | |||
47 | vio-supply = <&v1v8>; | ||
48 | v2v1-supply = <&v2v1>; | ||
49 | enable-active-high; | ||
50 | |||
51 | /* regulators for vibra motor */ | ||
52 | vddvibl-supply = <&vbat>; | ||
53 | vddvibr-supply = <&vbat>; | ||
54 | |||
55 | vibra { | ||
56 | /* Vibra driver, motor resistance parameters */ | ||
57 | ti,vibldrv-res = <8>; | ||
58 | ti,vibrdrv-res = <3>; | ||
59 | ti,viblmotor-res = <10>; | ||
60 | ti,vibrmotor-res = <10>; | ||
61 | }; | ||
62 | }; | ||
63 | }; | ||
64 | |||
65 | /include/ "twl6040.dtsi" | ||