@@ -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)
{
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> --- arch/arm/mach-ux500/board-mop500.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-)