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 000000000000..2fee07e05211
--- /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 */