Blackfin: bfin_twi.h: start a common TWI header
Start one place for TWI definitions. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
parent
02460d0893
commit
61c16b5c74
43
arch/blackfin/include/asm/bfin_twi.h
Normal file
43
arch/blackfin/include/asm/bfin_twi.h
Normal file
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* bfin_twi.h - interface to Blackfin TWIs
|
||||
*
|
||||
* Copyright 2005-2010 Analog Devices Inc.
|
||||
*
|
||||
* Licensed under the GPL-2 or later.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_BFIN_TWI_H__
|
||||
#define __ASM_BFIN_TWI_H__
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
/*
|
||||
* All Blackfin system MMRs are padded to 32bits even if the register
|
||||
* itself is only 16bits. So use a helper macro to streamline this.
|
||||
*/
|
||||
#define __BFP(m) u16 m; u16 __pad_##m
|
||||
|
||||
/*
|
||||
* bfin twi registers layout
|
||||
*/
|
||||
struct bfin_twi_regs {
|
||||
__BFP(clkdiv);
|
||||
__BFP(control);
|
||||
__BFP(slave_ctl);
|
||||
__BFP(slave_stat);
|
||||
__BFP(slave_addr);
|
||||
__BFP(master_ctl);
|
||||
__BFP(master_stat);
|
||||
__BFP(master_addr);
|
||||
__BFP(int_stat);
|
||||
__BFP(int_mask);
|
||||
__BFP(fifo_ctl);
|
||||
__BFP(fifo_stat);
|
||||
u32 __pad[20];
|
||||
__BFP(xmt_data8);
|
||||
__BFP(xmt_data16);
|
||||
__BFP(rcv_data8);
|
||||
__BFP(rcv_data16);
|
||||
};
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue