* Rockchip VAD controller
|
|
Required properties:
|
|
- compatible: should be one of the following
|
- "rockchip,rk1808es-vad": for rk1808es
|
- "rockchip,rk1808-vad": for rk1808
|
- "rockchip,rk3308-vad": for rk3308
|
- "rockchip,rk3568-vad": for rk3568
|
- "rockchip,rk3588-vad": for rk3588
|
- reg: physical base address of the controller and length of memory mapped
|
region.
|
- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
|
- clock-names: should contain following:
|
- interrupts: should contain the vad interrupt.
|
- rockchip,audio-sram: the phandle of audio sram for vad.
|
- rockchip,audio-src: the phandle of audio src for vad.
|
- rockchip,buffer-time-ms: vad sram buffer time msec.
|
- rockchip,det-channel: the channel(0~7) is used for detection.
|
- rockchip,mode: vad work mode.
|
- 0: begin to store the data after voice detected.
|
- 1: begin to store the data after vad is enabled.
|
- 2: don't store the data.
|
|
Optional properties:
|
- rockchip,acodec-cfg: boolean, config acodec after voice activity detection.
|
|
Example for rk3308 VAD controller:
|
|
vad: vad@ff3c0000 {
|
compatible = "rockchip,rk3308-vad";
|
reg = <0x0 0xff3c0000 0x0 0x10000>;
|
reg-names = "vad";
|
clocks = <&cru HCLK_VAD>;
|
clock-names = "hclk";
|
interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
|
rockchip,audio-sram = <&vad_sram>;
|
rockchip,audio-src = <&i2s_8ch_0>;
|
rockchip,det-channel = <0>;
|
rockchip,mode = <0>;
|
status = "disabled";
|
};
|
