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ASoC: Add support for CS42L42 codec

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Add support for Cirrus Logic CS42L42 codec. SoundWire support
is not enabled. Features support for I2C control and I2S audio.

Signed-off-by: James Schulman <james.schulman@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
James Schulman
2016-11-07 14:38:37 -06:00
committed by Mark Brown
parent 55060feefc
commit 2c394ca796
5 changed files with 2843 additions and 0 deletions
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73
include/dt-bindings/sound/cs42l42.h Normal file
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/*
* cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
*
* Copyright 2016 Cirrus Logic, Inc.
*
* Author: James Schulman <james.schulman@cirrus.com>
* Author: Brian Austin <brian.austin@cirrus.com>
* Author: Michael White <michael.white@cirrus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __DT_CS42L42_H
#define __DT_CS42L42_H
/* HPOUT Load Capacity */
#define CS42L42_HPOUT_LOAD_1NF 0
#define CS42L42_HPOUT_LOAD_10NF 1
/* HPOUT Clamp to GND Overide */
#define CS42L42_HPOUT_CLAMP_EN 0
#define CS42L42_HPOUT_CLAMP_DIS 1
/* Tip Sense Inversion */
#define CS42L42_TS_INV_DIS 0
#define CS42L42_TS_INV_EN 1
/* Tip Sense Debounce */
#define CS42L42_TS_DBNCE_0 0
#define CS42L42_TS_DBNCE_125 1
#define CS42L42_TS_DBNCE_250 2
#define CS42L42_TS_DBNCE_500 3
#define CS42L42_TS_DBNCE_750 4
#define CS42L42_TS_DBNCE_1000 5
#define CS42L42_TS_DBNCE_1250 6
#define CS42L42_TS_DBNCE_1500 7
/* Button Press Software Debounce Times */
#define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
#define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
#define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
#define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
/* Button Detect Level Sensitivities */
#define CS42L42_NUM_BIASES 4
#define CS42L42_HS_DET_LEVEL_15 0x0F
#define CS42L42_HS_DET_LEVEL_8 0x08
#define CS42L42_HS_DET_LEVEL_4 0x04
#define CS42L42_HS_DET_LEVEL_1 0x01
#define CS42L42_HS_DET_LEVEL_MIN 0
#define CS42L42_HS_DET_LEVEL_MAX 0x3F
/* HS Bias Ramp Rate */
#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
#define CS42L42_HSBIAS_RAMP_FAST 1
#define CS42L42_HSBIAS_RAMP_SLOW 2
#define CS42L42_HSBIAS_RAMP_SLOWEST 3
#define CS42L42_HSBIAS_RAMP_TIME0 10
#define CS42L42_HSBIAS_RAMP_TIME1 40
#define CS42L42_HSBIAS_RAMP_TIME2 90
#define CS42L42_HSBIAS_RAMP_TIME3 170
#endif /* __DT_CS42L42_H */