diff options
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-pca.h')
| -rw-r--r-- | drivers/i2c/algos/i2c-algo-pca.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/i2c/algos/i2c-algo-pca.h b/drivers/i2c/algos/i2c-algo-pca.h new file mode 100644 index 00000000000..2fee07e0521 --- /dev/null +++ b/drivers/i2c/algos/i2c-algo-pca.h @@ -0,0 +1,26 @@ +#ifndef I2C_PCA9564_H +#define I2C_PCA9564_H 1 + +#define I2C_PCA_STA 0x00 /* STATUS Read Only */ +#define I2C_PCA_TO 0x00 /* TIMEOUT Write Only */ +#define I2C_PCA_DAT 0x01 /* DATA Read/Write */ +#define I2C_PCA_ADR 0x02 /* OWN ADR Read/Write */ +#define I2C_PCA_CON 0x03 /* CONTROL Read/Write */ + +#define I2C_PCA_CON_AA 0x80 /* Assert Acknowledge */ +#define I2C_PCA_CON_ENSIO 0x40 /* Enable */ +#define I2C_PCA_CON_STA 0x20 /* Start */ +#define I2C_PCA_CON_STO 0x10 /* Stop */ +#define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */ +#define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */ + +#define I2C_PCA_CON_330kHz 0x00 +#define I2C_PCA_CON_288kHz 0x01 +#define I2C_PCA_CON_217kHz 0x02 +#define I2C_PCA_CON_146kHz 0x03 +#define I2C_PCA_CON_88kHz 0x04 +#define I2C_PCA_CON_59kHz 0x05 +#define I2C_PCA_CON_44kHz 0x06 +#define I2C_PCA_CON_36kHz 0x07 + +#endif /* I2C_PCA9564_H */ |