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mach-ux500: set proper I2C platform data from MOP500s

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This specifies the new per-platform timeout per I2C bus and
switches the I2C buses to fast mode, and increase the FIFO
depth to 8 for reads and writes.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Linus Walleij
2011-05-13 12:31:13 +02:00
committed by Ben Dooks
parent 82a4413450
commit 2b030bda66
1 changed files with 8 additions and 6 deletions
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14
arch/arm/mach-ux500/board-mop500.c
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@@ -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 = { \ static struct nmk_i2c_controller u8500_i2c##id##_data = { \
/* \ /* \
* slave data setup time, which is \ * slave data setup time, which is \
@@ -219,19 +219,21 @@ static struct nmk_i2c_controller u8500_i2c##id##_data = { \
.rft = _rft, \ .rft = _rft, \
/* std. mode operation */ \ /* std. mode operation */ \
.clk_freq = clk, \ .clk_freq = clk, \
/* Slave response timeout(ms) */\
.timeout = t_out, \
.sm = _sm, \ .sm = _sm, \
} }
/* /*
* The board uses 4 i2c controllers, initialize all of * The board uses 4 i2c controllers, initialize all of
* them with slave data setup time of 250 ns, * 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 * mode of operation
*/ */
U8500_I2C_CONTROLLER(0, 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, 1, 100000, I2C_FREQ_MODE_STANDARD); U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
static void __init mop500_i2c_init(void) static void __init mop500_i2c_init(void)
{ {