1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
5 * Copyright 2016 Cirrus Logic, Inc.
7 * Author: James Schulman <james.schulman@cirrus.com>
8 * Author: Brian Austin <brian.austin@cirrus.com>
9 * Author: Michael White <michael.white@cirrus.com>
12 #ifndef __DT_CS42L42_H
13 #define __DT_CS42L42_H
15 /* HPOUT Load Capacity */
16 #define CS42L42_HPOUT_LOAD_1NF 0
17 #define CS42L42_HPOUT_LOAD_10NF 1
19 /* HPOUT Clamp to GND Override */
20 #define CS42L42_HPOUT_CLAMP_EN 0
21 #define CS42L42_HPOUT_CLAMP_DIS 1
23 /* Tip Sense Inversion */
24 #define CS42L42_TS_INV_DIS 0
25 #define CS42L42_TS_INV_EN 1
27 /* Tip Sense Debounce */
28 #define CS42L42_TS_DBNCE_0 0
29 #define CS42L42_TS_DBNCE_125 1
30 #define CS42L42_TS_DBNCE_250 2
31 #define CS42L42_TS_DBNCE_500 3
32 #define CS42L42_TS_DBNCE_750 4
33 #define CS42L42_TS_DBNCE_1000 5
34 #define CS42L42_TS_DBNCE_1250 6
35 #define CS42L42_TS_DBNCE_1500 7
37 /* Button Press Software Debounce Times */
38 #define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
39 #define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
40 #define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
42 #define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
43 #define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
44 #define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
46 /* Button Detect Level Sensitivities */
47 #define CS42L42_NUM_BIASES 4
49 #define CS42L42_HS_DET_LEVEL_15 0x0F
50 #define CS42L42_HS_DET_LEVEL_8 0x08
51 #define CS42L42_HS_DET_LEVEL_4 0x04
52 #define CS42L42_HS_DET_LEVEL_1 0x01
54 #define CS42L42_HS_DET_LEVEL_MIN 0
55 #define CS42L42_HS_DET_LEVEL_MAX 0x3F
57 /* HS Bias Ramp Rate */
59 #define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
60 #define CS42L42_HSBIAS_RAMP_FAST 1
61 #define CS42L42_HSBIAS_RAMP_SLOW 2
62 #define CS42L42_HSBIAS_RAMP_SLOWEST 3
64 #define CS42L42_HSBIAS_RAMP_TIME0 10
65 #define CS42L42_HSBIAS_RAMP_TIME1 40
66 #define CS42L42_HSBIAS_RAMP_TIME2 90
67 #define CS42L42_HSBIAS_RAMP_TIME3 170
69 #endif /* __DT_CS42L42_H */