projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 37e13cec PU |
1 | Texas Instruments TWL6040 family |
| 2 | ||
| 3 | The TWL6040s are 8-channel high quality low-power audio codecs providing audio | |
| 4 | and vibra 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 : Must be "ti,twl6040"; | |
| 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 | - twl6040,audpwron-gpio: Power on GPIO line for the twl6040 | |
| 14 | ||
| 15 | - vio-supply: Regulator for the twl6040 VIO supply | |
| 16 | - v2v1-supply: Regulator for the twl6040 V2V1 supply | |
| 17 | ||
| 18 | Optional properties, nodes: | |
| 19 | - enable-active-high: To power on the twl6040 during boot. | |
| 20 | ||
| 21 | Vibra functionality | |
| 22 | Required properties: | |
| 23 | - vddvibl-supply: Regulator for the left vibra motor | |
| 24 | - vddvibr-supply: Regulator for the right vibra motor | |
| 25 | - vibra { }: Configuration section for vibra parameters containing the following | |
| 26 | properties: | |
| 27 | - ti,vibldrv-res: Resistance parameter for left driver | |
| 28 | - ti,vibrdrv-res: Resistance parameter for right driver | |
| 29 | - ti,viblmotor-res: Resistance parameter for left motor | |
| 30 | - ti,viblmotor-res: Resistance parameter for right motor | |
| 31 | ||
| 32 | Optional properties within vibra { } section: | |
| 33 | - vddvibl_uV: If the vddvibl default voltage need to be changed | |
| 34 | - vddvibr_uV: If the vddvibr default voltage need to be changed | |
| 35 | ||
| 36 | Example: | |
| 37 | &i2c1 { | |
| 38 | twl6040: twl@4b { | |
| 39 | compatible = "ti,twl6040"; | |
| 40 | reg = <0x4b>; | |
| 41 | ||
| 42 | interrupts = <0 119 4>; | |
| 43 | interrupt-parent = <&gic>; | |
| 44 | twl6040,audpwron-gpio = <&gpio4 31 0>; | |
| 45 | ||
| 46 | vio-supply = <&v1v8>; | |
| 47 | v2v1-supply = <&v2v1>; | |
| 48 | enable-active-high; | |
| 49 | ||
| 50 | /* regulators for vibra motor */ | |
| 51 | vddvibl-supply = <&vbat>; | |
| 52 | vddvibr-supply = <&vbat>; | |
| 53 | ||
| 54 | vibra { | |
| 55 | /* Vibra driver, motor resistance parameters */ | |
| 56 | ti,vibldrv-res = <8>; | |
| 57 | ti,vibrdrv-res = <3>; | |
| 58 | ti,viblmotor-res = <10>; | |
| 59 | ti,vibrmotor-res = <10>; | |
| 60 | }; | |
| 61 | }; | |
| 62 | }; |