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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 03:39:23 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 03:39:23 +0400 |
commit | 4a7df24ddc7097cd789a7527187826552ea0765e (patch) | |
tree | 2e70557e1d8e6d971ee6094de823900df1f8288e /arch | |
parent | 37d8cb5478651b27779b9a80d024c614c452eae3 (diff) | |
parent | 5bdfdfeed5eed599a3ddc455f7c254a209ceae8d (diff) | |
download | linux-4a7df24ddc7097cd789a7527187826552ea0765e.tar.xz |
Merge branch 'for-linus/2640/i2c' of git://git.fluff.org/bjdooks/linux
* 'for-linus/2640/i2c' of git://git.fluff.org/bjdooks/linux: (21 commits)
mach-ux500: set proper I2C platform data from MOP500s
i2c-nomadik: break out single messsage transmission
i2c-nomadik: reset the hw after status check
i2c-nomadik: remove the unnecessary delay
i2c-nomadik: change the TX and RX threshold
i2c-nomadik: add code to retry on timeout failure
i2c-nomadik: use pm_runtime API
i2c-nomadik: print abort cause only on abort tag
i2c-nomadik: correct adapter timeout initialization
i2c-nomadik: remove the redundant error message
i2c-nomadik: corrrect returned error numbers
i2c-nomadik: fix speed enumerator
i2c-nomadik: make i2c timeout specific per i2c bus
i2c-nomadik: add regulator support
i2c: i2c-sh_mobile bus speed platform data V2
i2c: i2c-sh_mobile clock string removal
i2c-eg20t: Support new device ML7223 IOH
i2c: tegra: Add de-bounce cycles.
i2c: tegra: fix repeated start handling
i2c: tegra: recover from spurious interrupt storm
...
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 14 | ||||
-rw-r--r-- | arch/arm/plat-nomadik/include/plat/i2c.h | 8 |
2 files changed, 13 insertions, 9 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 6e1907fa94f0..bb26f40493e6 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -204,7 +204,7 @@ static struct i2c_board_info __initdata mop500_i2c2_devices[] = { }, }; -#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ +#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm) \ static struct nmk_i2c_controller u8500_i2c##id##_data = { \ /* \ * slave data setup time, which is \ @@ -219,19 +219,21 @@ static struct nmk_i2c_controller u8500_i2c##id##_data = { \ .rft = _rft, \ /* std. mode operation */ \ .clk_freq = clk, \ + /* Slave response timeout(ms) */\ + .timeout = t_out, \ .sm = _sm, \ } /* * The board uses 4 i2c controllers, initialize all of * them with slave data setup time of 250 ns, - * Tx & Rx FIFO threshold values as 1 and standard + * Tx & Rx FIFO threshold values as 8 and standard * mode of operation */ -U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); -U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); -U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); -U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); +U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); +U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); +U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); static void __init mop500_i2c_init(void) { diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h index 1621db67a53d..8ba70ffc31ec 100644 --- a/arch/arm/plat-nomadik/include/plat/i2c.h +++ b/arch/arm/plat-nomadik/include/plat/i2c.h @@ -11,8 +11,8 @@ enum i2c_freq_mode { I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */ I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */ + I2C_FREQ_MODE_HIGH_SPEED, /* up to 3.4 Mb/s */ I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */ - I2C_FREQ_MODE_HIGH_SPEED /* up to 3.4 Mb/s */ }; /** @@ -24,13 +24,15 @@ enum i2c_freq_mode { * to the values of 14, 6, 2 for a 48 MHz i2c clk * @tft: Tx FIFO Threshold in bytes * @rft: Rx FIFO Threshold in bytes + * @timeout Slave response timeout(ms) * @sm: speed mode */ struct nmk_i2c_controller { unsigned long clk_freq; unsigned short slsu; - unsigned char tft; - unsigned char rft; + unsigned char tft; + unsigned char rft; + int timeout; enum i2c_freq_mode sm; }; |