31815c08fc
Typical usage of pdata.init/exit is enable/disable power and/or toggle reset for the target chip. This patch replaces these callbacks with regulator API. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
|
|
* NXP (Philips) SCC+++(SCN+++) serial driver
|
|
*
|
|
* Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
|
|
*
|
|
* Based on sc26xx.c, by Thomas Bogendörfer (tsbogend@alpha.franken.de)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef _PLATFORM_DATA_SERIAL_SCCNXP_H_
|
|
#define _PLATFORM_DATA_SERIAL_SCCNXP_H_
|
|
|
|
#define SCCNXP_MAX_UARTS 2
|
|
|
|
/* Output lines */
|
|
#define LINE_OP0 1
|
|
#define LINE_OP1 2
|
|
#define LINE_OP2 3
|
|
#define LINE_OP3 4
|
|
#define LINE_OP4 5
|
|
#define LINE_OP5 6
|
|
#define LINE_OP6 7
|
|
#define LINE_OP7 8
|
|
|
|
/* Input lines */
|
|
#define LINE_IP0 9
|
|
#define LINE_IP1 10
|
|
#define LINE_IP2 11
|
|
#define LINE_IP3 12
|
|
#define LINE_IP4 13
|
|
#define LINE_IP5 14
|
|
#define LINE_IP6 15
|
|
|
|
/* Signals */
|
|
#define DTR_OP 0 /* DTR */
|
|
#define RTS_OP 4 /* RTS */
|
|
#define DSR_IP 8 /* DSR */
|
|
#define CTS_IP 12 /* CTS */
|
|
#define DCD_IP 16 /* DCD */
|
|
#define RNG_IP 20 /* RNG */
|
|
|
|
#define DIR_OP 24 /* Special signal for control RS-485.
|
|
* Goes high when transmit,
|
|
* then goes low.
|
|
*/
|
|
|
|
/* Routing control signal 'sig' to line 'line' */
|
|
#define MCTRL_SIG(sig, line) ((line) << (sig))
|
|
|
|
/*
|
|
* Example board initialization data:
|
|
*
|
|
* static struct resource sc2892_resources[] = {
|
|
* DEFINE_RES_MEM(UART_PHYS_START, 0x10),
|
|
* DEFINE_RES_IRQ(IRQ_EXT2),
|
|
* };
|
|
*
|
|
* static struct sccnxp_pdata sc2892_info = {
|
|
* .frequency = 3686400,
|
|
* .mctrl_cfg[0] = MCTRL_SIG(DIR_OP, LINE_OP0),
|
|
* .mctrl_cfg[1] = MCTRL_SIG(DIR_OP, LINE_OP1),
|
|
* };
|
|
*
|
|
* static struct platform_device sc2892 = {
|
|
* .name = "sc2892",
|
|
* .id = -1,
|
|
* .resource = sc2892_resources,
|
|
* .num_resources = ARRAY_SIZE(sc2892_resources),
|
|
* .dev = {
|
|
* .platform_data = &sc2892_info,
|
|
* },
|
|
* };
|
|
*/
|
|
|
|
/* SCCNXP platform data structure */
|
|
struct sccnxp_pdata {
|
|
/* Frequency (extrenal clock or crystal) */
|
|
int frequency;
|
|
/* Shift for A0 line */
|
|
const u8 reg_shift;
|
|
/* Modem control lines configuration */
|
|
const u32 mctrl_cfg[SCCNXP_MAX_UARTS];
|
|
/* Timer value for polling mode (usecs) */
|
|
const unsigned int poll_time_us;
|
|
};
|
|
|
|
#endif
|