/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Header file for the Ingenic JZ47xx TCU driver
 */
#ifndef __LINUX_MFD_INGENIC_TCU_H_
#define __LINUX_MFD_INGENIC_TCU_H_

#include <linux/bitops.h>

#define TCU_REG_WDT_TDR         0x00
#define TCU_REG_WDT_TCER        0x04
#define TCU_REG_WDT_TCNT        0x08
#define TCU_REG_WDT_TCSR        0x0c
#define TCU_REG_TER             0x10
#define TCU_REG_TESR            0x14
#define TCU_REG_TECR            0x18
#define TCU_REG_TSR             0x1c
#define TCU_REG_TFR             0x20
#define TCU_REG_TFSR            0x24
#define TCU_REG_TFCR            0x28
#define TCU_REG_TSSR            0x2c
#define TCU_REG_TMR             0x30
#define TCU_REG_TMSR            0x34
#define TCU_REG_TMCR            0x38
#define TCU_REG_TSCR            0x3c
#define TCU_REG_TDFR0           0x40
#define TCU_REG_TDHR0           0x44
#define TCU_REG_TCNT0           0x48
#define TCU_REG_TCSR0           0x4c
#define TCU_REG_OST_DR          0xe0
#define TCU_REG_OST_CNTL        0xe4
#define TCU_REG_OST_CNTH        0xe8
#define TCU_REG_OST_TCSR        0xec
#define TCU_REG_TSTR            0xf0
#define TCU_REG_TSTSR           0xf4
#define TCU_REG_TSTCR           0xf8
#define TCU_REG_OST_CNTHBUF     0xfc

#define TCU_TCSR_RESERVED_BITS          0x3f
#define TCU_TCSR_PARENT_CLOCK_MASK      0x07
#define TCU_TCSR_PRESCALE_LSB           3
#define TCU_TCSR_PRESCALE_MASK          0x38

#define TCU_TCSR_PWM_SD         BIT(9)  /* 0: Shutdown gracefully 1: abruptly */
#define TCU_TCSR_PWM_INITL_HIGH BIT(8)  /* Sets the initial output level */
#define TCU_TCSR_PWM_EN         BIT(7)  /* PWM pin output enable */

#define TCU_WDT_TCER_TCEN       BIT(0)  /* Watchdog timer enable */

#define TCU_CHANNEL_STRIDE      0x10
#define TCU_REG_TDFRc(c)        (TCU_REG_TDFR0 + ((c) * TCU_CHANNEL_STRIDE))
#define TCU_REG_TDHRc(c)        (TCU_REG_TDHR0 + ((c) * TCU_CHANNEL_STRIDE))
#define TCU_REG_TCNTc(c)        (TCU_REG_TCNT0 + ((c) * TCU_CHANNEL_STRIDE))
#define TCU_REG_TCSRc(c)        (TCU_REG_TCSR0 + ((c) * TCU_CHANNEL_STRIDE))

#endif /* __LINUX_MFD_INGENIC_TCU_H_ */