diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-nomadik.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-nomadik.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 51e61d8..4443613 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -22,7 +22,6 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/pm_runtime.h> -#include <linux/platform_data/i2c-nomadik.h> #include <linux/of.h> #include <linux/pinctrl/consumer.h> @@ -104,6 +103,29 @@ /* maximum threshold value */ #define MAX_I2C_FIFO_THRESHOLD 15 +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 */ +}; + +/** + * struct nmk_i2c_controller - client specific controller configuration + * @clk_freq: clock frequency for the operation mode + * @tft: Tx FIFO Threshold in bytes + * @rft: Rx FIFO Threshold in bytes + * @timeout Slave response timeout(ms) + * @sm: speed mode + */ +struct nmk_i2c_controller { + u32 clk_freq; + unsigned char tft; + unsigned char rft; + int timeout; + enum i2c_freq_mode sm; +}; + /** * struct i2c_vendor_data - per-vendor variations * @has_mtdws: variant has the MTDWS bit |