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Commit 6938b38a authored by Fenglin Wu's avatar Fenglin Wu Committed by Gerrit - the friendly Code Review server
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input: qcom,hv-haptics: Add DT definitions 



Add DT definitions for a few properties that are used to specify
haptics hardware configuration and vibration effect settings.

Change-Id: Icd9da49e87eca9c865e7f6add5638842c20a3bd6
Signed-off-by: default avatarFenglin Wu <fenglinw@codeaurora.org>
parent 33371243

include/dt-bindings/input/qcom,hv-haptics.h

0 → 100644
+37 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2020 The Linux Foundation. All rights reserved.

 */



/* definitions for drive waveform shape */

#define WF_SQUARE			0   /* LRA only */

#define WF_SINE				1   /* LRA only */

#define WF_NO_MODULATION		2   /* ERM only */



/* definitions for brake mode */

#define BRAKE_OPEN_LOOP			0

#define BRAKE_CLOSE_LOOP		1

#define BRAKE_PREDICTIVE		2

#define BRAKE_AUTO			3



/* definitions for brake sine signal gain */

#define BRAKE_SINE_GAIN_X1		0

#define BRAKE_SINE_GAIN_X2		1

#define BRAKE_SINE_GAIN_X4		2

#define BRAKE_SINE_GAIN_X8		3



/* definitions for pattern sample period */

#define S_PERIOD_T_LRA			0

#define S_PERIOD_T_LRA_DIV_2		1

#define S_PERIOD_T_LRA_DIV_4		2

#define S_PERIOD_T_LRA_DIV_8		3

#define S_PERIOD_T_LRA_X_2		4

#define S_PERIOD_T_LRA_X_4		5

#define S_PERIOD_T_LRA_X_8		6

/* F_8KHZ to F_48KHZ periods can only be specified for FIFO based effects */

#define S_PERIOD_F_8KHZ			8

#define S_PERIOD_F_16HKZ		9

#define S_PERIOD_F_24KHZ		10

#define S_PERIOD_F_32KHZ		11

#define S_PERIOD_F_44P1KHZ		12

#define S_PERIOD_F_48KHZ		13