1 files changed, 32 insertions, 5 deletions

diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index fce47c051bb1..adcb3dc7ac26 100644
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -1,14 +1,41 @@
 #ifndef _LINUX_I2C_ALGO_PCA_H
 #define _LINUX_I2C_ALGO_PCA_H
 
+/* Clock speeds for the bus */
+#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
+
+/* PCA9564 registers */
+#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) */
+
 struct i2c_algo_pca_data {
-        int  (*get_own)                 (struct i2c_algo_pca_data *adap); /* Obtain own address */
-        int  (*get_clock)               (struct i2c_algo_pca_data *adap);
-        void (*write_byte)              (struct i2c_algo_pca_data *adap, int reg, int val);
-        int  (*read_byte)               (struct i2c_algo_pca_data *adap, int reg);
-        int  (*wait_for_interrupt)      (struct i2c_algo_pca_data *adap);
+        void                            *data;  /* private low level data */
+        void (*write_byte)              (void *data, int reg, int val);
+        int  (*read_byte)               (void *data, int reg);
+        int  (*wait_for_completion)     (void *data);
+        void (*reset_chip)              (void *data);
+        /* i2c_clock values are defined in linux/i2c-algo-pca.h */
+        unsigned int                    i2c_clock;
 };
 
 int i2c_pca_add_bus(struct i2c_adapter *);
+int i2c_pca_add_numbered_bus(struct i2c_adapter *);
 
 #endif /* _LINUX_I2C_ALGO_PCA_H */