From 463dcc42e4832150eb3de804682b924f9b73a91a Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Mon, 3 Dec 2012 22:23:32 +0400 Subject: serial: sccnxp: Rename header file to match functionality Signed-off-by: Alexander Shiyan Signed-off-by: Greg Kroah-Hartman --- include/linux/platform_data/serial-sccnxp.h | 95 +++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 include/linux/platform_data/serial-sccnxp.h (limited to 'include/linux/platform_data/serial-sccnxp.h') diff --git a/include/linux/platform_data/serial-sccnxp.h b/include/linux/platform_data/serial-sccnxp.h new file mode 100644 index 00000000000..215574d1e81 --- /dev/null +++ b/include/linux/platform_data/serial-sccnxp.h @@ -0,0 +1,95 @@ +/* + * NXP (Philips) SCC+++(SCN+++) serial driver + * + * Copyright (C) 2012 Alexander Shiyan + * + * 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; + /* Called during startup */ + void (*init)(void); + /* Called before finish */ + void (*exit)(void); +}; + +#endif -- cgit v1.2.3-70-g09d2