diff options
Diffstat (limited to 'include/linux/can/platform')
| -rw-r--r-- | include/linux/can/platform/flexcan.h | 20 | ||||
| -rw-r--r-- | include/linux/can/platform/mcp251x.h | 34 | ||||
| -rw-r--r-- | include/linux/can/platform/sja1000.h | 35 | ||||
| -rw-r--r-- | include/linux/can/platform/ti_hecc.h | 44 |
4 files changed, 133 insertions, 0 deletions
diff --git a/include/linux/can/platform/flexcan.h b/include/linux/can/platform/flexcan.h new file mode 100644 index 00000000..72b713ab --- /dev/null +++ b/include/linux/can/platform/flexcan.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2010 Marc Kleine-Budde <kernel@pengutronix.de> + * + * This file is released under the GPLv2 + * + */ + +#ifndef __CAN_PLATFORM_FLEXCAN_H +#define __CAN_PLATFORM_FLEXCAN_H + +/** + * struct flexcan_platform_data - flex CAN controller platform data + * @transceiver_enable: - called to power on/off the transceiver + * + */ +struct flexcan_platform_data { + void (*transceiver_switch)(int enable); +}; + +#endif /* __CAN_PLATFORM_FLEXCAN_H */ diff --git a/include/linux/can/platform/mcp251x.h b/include/linux/can/platform/mcp251x.h new file mode 100644 index 00000000..089fe432 --- /dev/null +++ b/include/linux/can/platform/mcp251x.h @@ -0,0 +1,34 @@ +#ifndef __CAN_PLATFORM_MCP251X_H__ +#define __CAN_PLATFORM_MCP251X_H__ + +/* + * + * CAN bus driver for Microchip 251x CAN Controller with SPI Interface + * + */ + +#include <linux/spi/spi.h> + +/** + * struct mcp251x_platform_data - MCP251X SPI CAN controller platform data + * @oscillator_frequency: - oscillator frequency in Hz + * @irq_flags: - IRQF configuration flags + * @board_specific_setup: - called before probing the chip (power,reset) + * @transceiver_enable: - called to power on/off the transceiver + * @power_enable: - called to power on/off the mcp *and* the + * transceiver + * + * Please note that you should define power_enable or transceiver_enable or + * none of them. Defining both of them is no use. + * + */ + +struct mcp251x_platform_data { + unsigned long oscillator_frequency; + unsigned long irq_flags; + int (*board_specific_setup)(struct spi_device *spi); + int (*transceiver_enable)(int enable); + int (*power_enable) (int enable); +}; + +#endif /* __CAN_PLATFORM_MCP251X_H__ */ diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h new file mode 100644 index 00000000..96f8fcc7 --- /dev/null +++ b/include/linux/can/platform/sja1000.h @@ -0,0 +1,35 @@ +#ifndef _CAN_PLATFORM_SJA1000_H_ +#define _CAN_PLATFORM_SJA1000_H_ + +/* clock divider register */ +#define CDR_CLKOUT_MASK 0x07 +#define CDR_CLK_OFF 0x08 /* Clock off (CLKOUT pin) */ +#define CDR_RXINPEN 0x20 /* TX1 output is RX irq output */ +#define CDR_CBP 0x40 /* CAN input comparator bypass */ +#define CDR_PELICAN 0x80 /* PeliCAN mode */ + +/* output control register */ +#define OCR_MODE_BIPHASE 0x00 +#define OCR_MODE_TEST 0x01 +#define OCR_MODE_NORMAL 0x02 +#define OCR_MODE_CLOCK 0x03 +#define OCR_MODE_MASK 0x07 +#define OCR_TX0_INVERT 0x04 +#define OCR_TX0_PULLDOWN 0x08 +#define OCR_TX0_PULLUP 0x10 +#define OCR_TX0_PUSHPULL 0x18 +#define OCR_TX1_INVERT 0x20 +#define OCR_TX1_PULLDOWN 0x40 +#define OCR_TX1_PULLUP 0x80 +#define OCR_TX1_PUSHPULL 0xc0 +#define OCR_TX_MASK 0xfc +#define OCR_TX_SHIFT 2 + +struct sja1000_platform_data { + u32 osc_freq; /* CAN bus oscillator frequency in Hz */ + + u8 ocr; /* output control register */ + u8 cdr; /* clock divider register */ +}; + +#endif /* !_CAN_PLATFORM_SJA1000_H_ */ diff --git a/include/linux/can/platform/ti_hecc.h b/include/linux/can/platform/ti_hecc.h new file mode 100644 index 00000000..af17cb3f --- /dev/null +++ b/include/linux/can/platform/ti_hecc.h @@ -0,0 +1,44 @@ +#ifndef __CAN_PLATFORM_TI_HECC_H__ +#define __CAN_PLATFORM_TI_HECC_H__ + +/* + * TI HECC (High End CAN Controller) driver platform header + * + * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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 version 2. + * + * This program is distributed as is WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +/** + * struct hecc_platform_data - HECC Platform Data + * + * @scc_hecc_offset: mostly 0 - should really never change + * @scc_ram_offset: SCC RAM offset + * @hecc_ram_offset: HECC RAM offset + * @mbx_offset: Mailbox RAM offset + * @int_line: Interrupt line to use - 0 or 1 + * @version: version for future use + * @transceiver_switch: platform specific callback fn for transceiver control + * + * Platform data structure to get all platform specific settings. + * this structure also accounts the fact that the IP may have different + * RAM and mailbox offsets for different SOC's + */ +struct ti_hecc_platform_data { + u32 scc_hecc_offset; + u32 scc_ram_offset; + u32 hecc_ram_offset; + u32 mbx_offset; + u32 int_line; + u32 version; + void (*transceiver_switch) (int); +}; +#endif |