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Documentation / devicetree / bindings / mfd / twl6040.txt




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Based on kernel version 3.16. Page generated on 2014-08-06 21:37 EST.

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	- clocks: phandle to the clk32k clock provider
23	- clock-names: Must be "clk32k"
24	
25	Vibra functionality
26	Required properties:
27	- vddvibl-supply: Regulator for the left vibra motor
28	- vddvibr-supply: Regulator for the right vibra motor
29	- vibra { }: Configuration section for vibra parameters containing the following
30		     properties:
31	- ti,vibldrv-res: Resistance parameter for left driver
32	- ti,vibrdrv-res: Resistance parameter for right driver
33	- ti,viblmotor-res: Resistance parameter for left motor
34	- ti,viblmotor-res: Resistance parameter for right motor
35	
36	Optional properties within vibra { } section:
37	- vddvibl_uV: If the vddvibl default voltage need to be changed
38	- vddvibr_uV: If the vddvibr default voltage need to be changed
39	
40	Example:
41	&i2c1 {
42		twl6040: twl@4b {
43			compatible = "ti,twl6040";
44	
45			interrupts = <0 119 4>;
46			interrupt-parent = <&gic>;
47			twl6040,audpwron-gpio = <&gpio4 31 0>;
48	
49			vio-supply = <&v1v8>;
50			v2v1-supply = <&v2v1>;
51			enable-active-high;
52	
53			/* regulators for vibra motor */
54			vddvibl-supply = <&vbat>;
55			vddvibr-supply = <&vbat>;
56	
57			vibra {
58				/* Vibra driver, motor resistance parameters */
59				ti,vibldrv-res = <8>;
60				ti,vibrdrv-res = <3>;
61				ti,viblmotor-res = <10>;
62				ti,vibrmotor-res = <10>;
63			};
64		};
65	};
66	
67	/include/ "twl6040.dtsi"
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