diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-core.h')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-core.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 347843b4f5dd..2d11299580bf 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -78,9 +78,12 @@ #define DW_IC_TX_ABRT_SOURCE 0x80 #define DW_IC_ENABLE_STATUS 0x9c #define DW_IC_CLR_RESTART_DET 0xa8 +#define DW_IC_SCL_STUCK_AT_LOW_TIMEOUT 0xac +#define DW_IC_SDA_STUCK_AT_LOW_TIMEOUT 0xb0 #define DW_IC_COMP_PARAM_1 0xf4 #define DW_IC_COMP_VERSION 0xf8 #define DW_IC_SDA_HOLD_MIN_VERS 0x3131312A /* "111*" == v1.11* */ +#define DW_IC_BUS_CLEAR_MIN_VERS 0x3230302A /* "200*" == v2.00* */ #define DW_IC_COMP_TYPE 0xfc #define DW_IC_COMP_TYPE_VALUE 0x44570140 /* "DW" + 0x0140 */ @@ -110,6 +113,7 @@ #define DW_IC_ENABLE_ENABLE BIT(0) #define DW_IC_ENABLE_ABORT BIT(1) +#define DW_IC_ENABLE_BUS_RECOVERY BIT(3) #define DW_IC_STATUS_ACTIVITY BIT(0) #define DW_IC_STATUS_TFE BIT(2) @@ -117,13 +121,16 @@ #define DW_IC_STATUS_MASTER_ACTIVITY BIT(5) #define DW_IC_STATUS_SLAVE_ACTIVITY BIT(6) #define DW_IC_STATUS_MASTER_HOLD_TX_FIFO_EMPTY BIT(7) +#define DW_IC_STATUS_SDA_STUCK_NOT_RECOVERED BIT(11) #define DW_IC_SDA_HOLD_RX_SHIFT 16 #define DW_IC_SDA_HOLD_RX_MASK GENMASK(23, 16) #define DW_IC_ERR_TX_ABRT 0x1 +#define DW_IC_TAR_SPECIAL BIT(11) #define DW_IC_TAR_10BITADDR_MASTER BIT(12) +#define DW_IC_TAR_SMBUS_QUICK_CMD BIT(16) #define DW_IC_COMP_PARAM_1_SPEED_MODE_HIGH (BIT(2) | BIT(3)) #define DW_IC_COMP_PARAM_1_SPEED_MODE_MASK GENMASK(3, 2) @@ -162,6 +169,7 @@ #define ABRT_SLAVE_FLUSH_TXFIFO 13 #define ABRT_SLAVE_ARBLOST 14 #define ABRT_SLAVE_RD_INTX 15 +#define ABRT_SLAVE_SDA_STUCK_AT_LOW 17 #define DW_IC_TX_ABRT_7B_ADDR_NOACK BIT(ABRT_7B_ADDR_NOACK) #define DW_IC_TX_ABRT_10ADDR1_NOACK BIT(ABRT_10ADDR1_NOACK) @@ -177,6 +185,7 @@ #define DW_IC_RX_ABRT_SLAVE_RD_INTX BIT(ABRT_SLAVE_RD_INTX) #define DW_IC_RX_ABRT_SLAVE_ARBLOST BIT(ABRT_SLAVE_ARBLOST) #define DW_IC_RX_ABRT_SLAVE_FLUSH_TXFIFO BIT(ABRT_SLAVE_FLUSH_TXFIFO) +#define DW_IC_TX_ABRT_SLAVE_SDA_STUCK_AT_LOW BIT(ABRT_SLAVE_SDA_STUCK_AT_LOW) #define DW_IC_TX_ABRT_NOACK (DW_IC_TX_ABRT_7B_ADDR_NOACK | \ DW_IC_TX_ABRT_10ADDR1_NOACK | \ @@ -295,6 +304,7 @@ struct dw_i2c_dev { u16 fp_lcnt; u16 hs_hcnt; u16 hs_lcnt; + u32 wanted_bus_speed; int (*acquire_lock)(void); void (*release_lock)(void); int semaphore_idx; |