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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 12:15:15 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 12:15:15 -0500
commitac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (patch)
tree816e5ac643b15c2050c64a7075f0f7e13d86ea09 /arch/arm/plat-nomadik/include/plat/i2c.h
parentb1bf9368407ae7e89d8a005bb40beb70a41df539 (diff)
parent9f33be2c3a80bdc2cc08342dd77fac87652e0548 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits) ARM: Eliminate decompressor -Dstatic= PIC hack ARM: 5958/1: ARM: U300: fix inverted clk round rate ARM: 5956/1: misplaced parentheses ARM: 5955/1: ep93xx: move timer defines into core.c and document ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c ARM: 5953/1: ep93xx: fix broken build of clock.c ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig ARM: 5949/1: NUC900 add gpio virtual memory map ARM: 5948/1: Enable timer0 to time4 clock support for nuc910 ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk ARM: make_coherent(): fix problems with highpte, part 2 MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself ARM: 5945/1: ep93xx: include correct irq.h in core.c ARM: 5933/1: amba-pl011: support hardware flow control ARM: 5930/1: Add PKMAP area description to memory.txt. ARM: 5929/1: Add checks to detect overlap of memory regions. ARM: 5928/1: Change type of VMALLOC_END to unsigned long. ARM: 5927/1: Make delimiters of DMA area globally visibly. ARM: 5926/1: Add "Virtual kernel memory..." printout. ARM: 5920/1: OMAP4: Enable L2 Cache ... Fix up trivial conflict in arch/arm/mach-mx25/clock.c
Diffstat (limited to 'arch/arm/plat-nomadik/include/plat/i2c.h')
-rw-r--r--arch/arm/plat-nomadik/include/plat/i2c.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h
new file mode 100644
index 000000000000..1621db67a53d
--- /dev/null
+++ b/arch/arm/plat-nomadik/include/plat/i2c.h
@@ -0,0 +1,37 @@
1/*
2 * Copyright (C) 2009 ST-Ericsson
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2, as
6 * published by the Free Software Foundation.
7 */
8#ifndef __PLAT_I2C_H
9#define __PLAT_I2C_H
10
11enum i2c_freq_mode {
12 I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */
13 I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */
14 I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */
15 I2C_FREQ_MODE_HIGH_SPEED /* up to 3.4 Mb/s */
16};
17
18/**
19 * struct nmk_i2c_controller - client specific controller configuration
20 * @clk_freq: clock frequency for the operation mode
21 * @slsu: Slave data setup time in ns.
22 * The needed setup time for three modes of operation
23 * are 250ns, 100ns and 10ns respectively thus leading
24 * to the values of 14, 6, 2 for a 48 MHz i2c clk
25 * @tft: Tx FIFO Threshold in bytes
26 * @rft: Rx FIFO Threshold in bytes
27 * @sm: speed mode
28 */
29struct nmk_i2c_controller {
30 unsigned long clk_freq;
31 unsigned short slsu;
32 unsigned char tft;
33 unsigned char rft;
34 enum i2c_freq_mode sm;
35};
36
37#endif /* __PLAT_I2C_H */