68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
|
* Mediatek Technologies mt6357 ALSA SoC audio accdet driver
|
||
|
|
|
||
|
|
This node models the Mediatek Technologies mt6357 ALSA SoC audio accdet driver
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
|
||
|
|
- compatible : One of "mediatek,mt6357-accdet", "mediatek,pmic-accdet"
|
||
|
|
|
||
|
|
- accdet-name : named as "mt63xx-accdet" for snd_soc_card_jack
|
||
|
|
|
||
|
|
- accdet-mic-vol : accdet micbias voltage
|
||
|
|
0x09:2.85v 0x08:2.8v 0x07:2.7v 0x05:2.5v 0x02:1.9v
|
||
|
|
|
||
|
|
- accdet-mic-mode : value as 1, 2, 6 to indicate ACC/DCC mode.
|
||
|
|
default is DCC mode 2
|
||
|
|
1:ACC mode, 2:low cost without in bias, 6:low cost with in bias
|
||
|
|
|
||
|
|
- eint_use_ext_res : select VTH to 2v and 500k, default 0 use internal resistance.
|
||
|
|
|
||
|
|
- headset-mode-setting : Indicates customized pwm, debounce setting
|
||
|
|
accdet pwm_width, pwm_thresh, fall_delay, rise_delay
|
||
|
|
debounce0, debounce1, debounce3, debounce4
|
||
|
|
eint pwm_width, eint pwm_thresh
|
||
|
|
eint deb(debounce0, debounce1, debounce2, debounce3), inv_debounce
|
||
|
|
|
||
|
|
- headset-three-key-threshold : For 3key CDD device and define its threshold.
|
||
|
|
0--MD_MAX--UP_MAX--DW_MAX
|
||
|
|
|
||
|
|
- io-channels : declare which iio channel accdet used.
|
||
|
|
|
||
|
|
- io-channel-names : named as "pmic_accdet"
|
||
|
|
|
||
|
|
- nvmem : reference to pmic efuse node
|
||
|
|
|
||
|
|
- nvmen-names : named as "mt63xx-accdet-efuse"
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
|
||
|
|
- accdet-plugout-debounce : For using ap gpio eint only, it is sw debounce time.
|
||
|
|
|
||
|
|
- headset-three-key-threshold-CDD : For 3key CDD device and define its threshold.
|
||
|
|
threshold: 0--MD_MAX--UP_MAX--DW_MAX
|
||
|
|
- headset-four-key-threshold : For 4key device and define its threshold.
|
||
|
|
threshold: 0--MD_MAX--VOICE_MAX--UP_MAX--DW_MAX
|
||
|
|
Example:
|
||
|
|
&pwrap {
|
||
|
|
pmic: pmic {
|
||
|
|
pmic_accdet: pmic_accdet {
|
||
|
|
compatible = "mediatek,mt6357-accdet";
|
||
|
|
accdet-name = "mt63xx-accdet";
|
||
|
|
accdet-mic-vol = <8>;
|
||
|
|
accdet-plugout-debounce = <1>;
|
||
|
|
accdet-mic-mode = <2>;
|
||
|
|
eint_use_ext_res = <0>;
|
||
|
|
headset-mode-setting = <0x500 0x500 1 0x1f0
|
||
|
|
0x800 0x800 0x20 0x44
|
||
|
|
0x4 0x1
|
||
|
|
0x5 0x3 0x3 0x5 0xe>;
|
||
|
|
headset-three-key-threshold = <0 80 220 400>;
|
||
|
|
io-channels = <&pmic_auxadc AUXADC_ACCDET>;
|
||
|
|
io-channel-names = "pmic_accdet";
|
||
|
|
nvmem = <&pmic_efuse>;
|
||
|
|
nvmen-names = "mt63xx-accdet-efuse";
|
||
|
|
status = "okay";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|