1 Texas Instruments TWL6040 family 1 Texas Instruments TWL6040 family
2 2
3 The TWL6040s are 8-channel high quality low-po 3 The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
4 vibra and GPO functionality on OMAP4+ platform 4 vibra and GPO functionality on OMAP4+ platforms.
5 They are connected to the host processor via i 5 They are connected to the host processor via i2c for commands, McPDM for audio
6 data and commands. 6 data and commands.
7 7
8 Required properties: 8 Required properties:
9 - compatible : "ti,twl6040" for twl6040, "ti,t 9 - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
10 - reg: must be 0x4b for i2c address 10 - reg: must be 0x4b for i2c address
11 - interrupts: twl6040 has one interrupt line c 11 - interrupts: twl6040 has one interrupt line connecteded to the main SoC
12 - gpio-controller: 12 - gpio-controller:
13 - #gpio-cells = <1>: twl6040 provides GPO line 13 - #gpio-cells = <1>: twl6040 provides GPO lines.
14 - #clock-cells = <0>; twl6040 is a provider of 14 - #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM
15 - twl6040,audpwron-gpio: Power on GPIO line fo 15 - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
16 16
17 - vio-supply: Regulator for the twl6040 VIO su 17 - vio-supply: Regulator for the twl6040 VIO supply
18 - v2v1-supply: Regulator for the twl6040 V2V1 18 - v2v1-supply: Regulator for the twl6040 V2V1 supply
19 19
20 Optional properties, nodes: 20 Optional properties, nodes:
21 - enable-active-high: To power on the twl6040 21 - enable-active-high: To power on the twl6040 during boot.
22 - clocks: phandle to the clk32k and/or to mclk 22 - clocks: phandle to the clk32k and/or to mclk clock provider
23 - clock-names: Must be "clk32k" for the 32K cl 23 - clock-names: Must be "clk32k" for the 32K clock and "mclk" for the MCLK.
24 24
25 Vibra functionality 25 Vibra functionality
26 Required properties: 26 Required properties:
27 - vddvibl-supply: Regulator for the left vibra 27 - vddvibl-supply: Regulator for the left vibra motor
28 - vddvibr-supply: Regulator for the right vibr 28 - vddvibr-supply: Regulator for the right vibra motor
29 - vibra { }: Configuration section for vibra p 29 - vibra { }: Configuration section for vibra parameters containing the following
30 properties: 30 properties:
31 - ti,vibldrv-res: Resistance parameter for lef 31 - ti,vibldrv-res: Resistance parameter for left driver
32 - ti,vibrdrv-res: Resistance parameter for rig 32 - ti,vibrdrv-res: Resistance parameter for right driver
33 - ti,viblmotor-res: Resistance parameter for l 33 - ti,viblmotor-res: Resistance parameter for left motor
34 - ti,viblmotor-res: Resistance parameter for r 34 - ti,viblmotor-res: Resistance parameter for right motor
35 35
36 Optional properties within vibra { } section: 36 Optional properties within vibra { } section:
37 - vddvibl_uV: If the vddvibl default voltage n 37 - vddvibl_uV: If the vddvibl default voltage need to be changed
38 - vddvibr_uV: If the vddvibr default voltage n 38 - vddvibr_uV: If the vddvibr default voltage need to be changed
39 39
40 Example: 40 Example:
41 &i2c1 { 41 &i2c1 {
42 twl6040: twl@4b { 42 twl6040: twl@4b {
43 compatible = "ti,twl6040"; 43 compatible = "ti,twl6040";
44 44
45 interrupts = <0 119 4>; 45 interrupts = <0 119 4>;
46 interrupt-parent = <&gic>; 46 interrupt-parent = <&gic>;
47 twl6040,audpwron-gpio = <&gpio 47 twl6040,audpwron-gpio = <&gpio4 31 0>;
48 48
49 vio-supply = <&v1v8>; 49 vio-supply = <&v1v8>;
50 v2v1-supply = <&v2v1>; 50 v2v1-supply = <&v2v1>;
51 enable-active-high; 51 enable-active-high;
52 52
53 /* regulators for vibra motor 53 /* regulators for vibra motor */
54 vddvibl-supply = <&vbat>; 54 vddvibl-supply = <&vbat>;
55 vddvibr-supply = <&vbat>; 55 vddvibr-supply = <&vbat>;
56 56
57 vibra { 57 vibra {
58 /* Vibra driver, motor 58 /* Vibra driver, motor resistance parameters */
59 ti,vibldrv-res = <8>; 59 ti,vibldrv-res = <8>;
60 ti,vibrdrv-res = <3>; 60 ti,vibrdrv-res = <3>;
61 ti,viblmotor-res = <10 61 ti,viblmotor-res = <10>;
62 ti,vibrmotor-res = <10 62 ti,vibrmotor-res = <10>;
63 }; 63 };
64 }; 64 };
65 }; 65 };
66 66
67 /include/ "twl6040.dtsi" 67 /include/ "twl6040.dtsi"
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