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/*
* Clock Divider Chip (TCXO) support
*
* Copyright (C) 2011 Texas Instruments, Inc.
*
* 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 _LINUX_CDC_TCXO_H_
#define _LINUX_CDC_TCXO_H_
#define CDC_TCXO_REG1 0
#define CDC_TCXO_REG2 1
#define CDC_TCXO_REG3 2
#define CDC_TCXO_REG4 3
#define CDC_TCXO_REGNUM 4
/* REGISTER1 bit fields */
#define CDC_TCXO_REQ1POL BIT(0)
#define CDC_TCXO_REQ2POL BIT(1)
#define CDC_TCXO_REQ3POL BIT(2)
#define CDC_TCXO_REQ4POL BIT(3)
#define CDC_TCXO_REQ1INT BIT(4)
#define CDC_TCXO_REQ2INT BIT(5)
#define CDC_TCXO_REQ3INT BIT(6)
#define CDC_TCXO_REQ4INT BIT(7)
/* REGISTER2 bit fields */
#define CDC_TCXO_MREQ1 BIT(4)
#define CDC_TCXO_MREQ2 BIT(5)
#define CDC_TCXO_MREQ3 BIT(6)
#define CDC_TCXO_MREQ4 BIT(7)
/* REGISTER3 bit fields */
#define CDC_TCXO_REQ1PRIO BIT(0)
#define CDC_TCXO_REQ2PRIO BIT(1)
#define CDC_TCXO_REQ3PRIO BIT(2)
#define CDC_TCXO_REQ4PRIO BIT(3)
#define CDC_TCXO_LDOEN0 BIT(4)
#define CDC_TCXO_LDOEN1 BIT(5)
#define CDC_TCXO_MREQCTRL0 BIT(6)
#define CDC_TCXO_MREQCTRL1 BIT(7)
#define CDC_TCXO_CLK1 1
#define CDC_TCXO_CLK2 2
#define CDC_TCXO_CLK3 3
#define CDC_TCXO_CLK4 4
#define CDC_TCXO_PRIO_REQ 0
#define CDC_TCXO_PRIO_REQINT 1
struct cdc_tcxo_platform_data {
char buf[4];
};
#ifdef CONFIG_CDC_TCXO
int cdc_tcxo_set_req_int(int clk_id, int enable);
int cdc_tcxo_set_req_prio(int clk_id, int req_prio);
#else
static inline int cdc_tcxo_set_req_int(int clk_id, int enable) { return 0; }
static inline int cdc_tcxo_set_req_prio(int clk_id, int req_prio) { return 0; }
#endif
#endif /* _LINUX_CDC_TCXO_H_ */
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