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Diffstat (limited to 'include/linux/platform_data/max310x.h')
| -rw-r--r-- | include/linux/platform_data/max310x.h | 67 | 
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/platform_data/max310x.h b/include/linux/platform_data/max310x.h new file mode 100644 index 00000000000..91648bf5fc5 --- /dev/null +++ b/include/linux/platform_data/max310x.h @@ -0,0 +1,67 @@ +/* + *  Maxim (Dallas) MAX3107/8 serial driver + * + *  Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru> + * + *  Based on max3100.c, by Christian Pellegrin <chripell@evolware.org> + *  Based on max3110.c, by Feng Tang <feng.tang@intel.com> + *  Based on max3107.c, by Aavamobile + * + *  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 _MAX310X_H_ +#define _MAX310X_H_ + +/* + * Example board initialization data: + * + * static struct max310x_pdata max3107_pdata = { + *	.driver_flags	= MAX310X_EXT_CLK, + *	.uart_flags[0]	= MAX310X_ECHO_SUPRESS | MAX310X_AUTO_DIR_CTRL, + *	.frequency	= 3686400, + *	.gpio_base	= -1, + * }; + * + * static struct spi_board_info spi_device_max3107[] = { + *	{ + *		.modalias	= "max3107", + *		.irq		= IRQ_EINT3, + *		.bus_num	= 1, + *		.chip_select	= 1, + *		.platform_data	= &max3107_pdata, + *	}, + * }; + */ + +#define MAX310X_MAX_UARTS	1 + +/* MAX310X platform data structure */ +struct max310x_pdata { +	/* Flags global to driver */ +	const u8		driver_flags:2; +#define MAX310X_EXT_CLK		(0x00000001)	/* External clock enable */ +#define MAX310X_AUTOSLEEP	(0x00000002)	/* Enable AutoSleep mode */ +	/* Flags global to UART port */ +	const u8		uart_flags[MAX310X_MAX_UARTS]; +#define MAX310X_LOOPBACK	(0x00000001)	/* Loopback mode enable */ +#define MAX310X_ECHO_SUPRESS	(0x00000002)	/* Enable echo supress */ +#define MAX310X_AUTO_DIR_CTRL	(0x00000004)	/* Enable Auto direction +						 * control (RS-485) +						 */ +	/* Frequency (extrenal clock or crystal) */ +	const int		frequency; +	/* GPIO base number (can be negative) */ +	const int		gpio_base; +	/* Called during startup */ +	void (*init)(void); +	/* Called before finish */ +	void (*exit)(void); +	/* Suspend callback */ +	void (*suspend)(int do_suspend); +}; + +#endif  |