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-rw-r--r--include/asm-sh/i2c-sh7760.h22
-rw-r--r--include/linux/i2c-algo-pca.h37
-rw-r--r--include/linux/i2c-pca-platform.h12
3 files changed, 66 insertions, 5 deletions
diff --git a/include/asm-sh/i2c-sh7760.h b/include/asm-sh/i2c-sh7760.h
new file mode 100644
index 000000000000..24182116711f
--- /dev/null
+++ b/include/asm-sh/i2c-sh7760.h
@@ -0,0 +1,22 @@
1/*
2 * MMIO/IRQ and platform data for SH7760 I2C channels
3 */
4
5#ifndef _I2C_SH7760_H_
6#define _I2C_SH7760_H_
7
8#define SH7760_I2C_DEVNAME "sh7760-i2c"
9
10#define SH7760_I2C0_MMIO 0xFE140000
11#define SH7760_I2C0_MMIOEND 0xFE14003B
12#define SH7760_I2C0_IRQ 62
13
14#define SH7760_I2C1_MMIO 0xFE150000
15#define SH7760_I2C1_MMIOEND 0xFE15003B
16#define SH7760_I2C1_IRQ 63
17
18struct sh7760_i2c_platdata {
19 unsigned int speed_khz;
20};
21
22#endif
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 @@
1#ifndef _LINUX_I2C_ALGO_PCA_H 1#ifndef _LINUX_I2C_ALGO_PCA_H
2#define _LINUX_I2C_ALGO_PCA_H 2#define _LINUX_I2C_ALGO_PCA_H
3 3
4/* Clock speeds for the bus */
5#define I2C_PCA_CON_330kHz 0x00
6#define I2C_PCA_CON_288kHz 0x01
7#define I2C_PCA_CON_217kHz 0x02
8#define I2C_PCA_CON_146kHz 0x03
9#define I2C_PCA_CON_88kHz 0x04
10#define I2C_PCA_CON_59kHz 0x05
11#define I2C_PCA_CON_44kHz 0x06
12#define I2C_PCA_CON_36kHz 0x07
13
14/* PCA9564 registers */
15#define I2C_PCA_STA 0x00 /* STATUS Read Only */
16#define I2C_PCA_TO 0x00 /* TIMEOUT Write Only */
17#define I2C_PCA_DAT 0x01 /* DATA Read/Write */
18#define I2C_PCA_ADR 0x02 /* OWN ADR Read/Write */
19#define I2C_PCA_CON 0x03 /* CONTROL Read/Write */
20
21#define I2C_PCA_CON_AA 0x80 /* Assert Acknowledge */
22#define I2C_PCA_CON_ENSIO 0x40 /* Enable */
23#define I2C_PCA_CON_STA 0x20 /* Start */
24#define I2C_PCA_CON_STO 0x10 /* Stop */
25#define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */
26#define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */
27
4struct i2c_algo_pca_data { 28struct i2c_algo_pca_data {
5 int (*get_own) (struct i2c_algo_pca_data *adap); /* Obtain own address */ 29 void *data; /* private low level data */
6 int (*get_clock) (struct i2c_algo_pca_data *adap); 30 void (*write_byte) (void *data, int reg, int val);
7 void (*write_byte) (struct i2c_algo_pca_data *adap, int reg, int val); 31 int (*read_byte) (void *data, int reg);
8 int (*read_byte) (struct i2c_algo_pca_data *adap, int reg); 32 int (*wait_for_completion) (void *data);
9 int (*wait_for_interrupt) (struct i2c_algo_pca_data *adap); 33 void (*reset_chip) (void *data);
34 /* i2c_clock values are defined in linux/i2c-algo-pca.h */
35 unsigned int i2c_clock;
10}; 36};
11 37
12int i2c_pca_add_bus(struct i2c_adapter *); 38int i2c_pca_add_bus(struct i2c_adapter *);
39int i2c_pca_add_numbered_bus(struct i2c_adapter *);
13 40
14#endif /* _LINUX_I2C_ALGO_PCA_H */ 41#endif /* _LINUX_I2C_ALGO_PCA_H */
diff --git a/include/linux/i2c-pca-platform.h b/include/linux/i2c-pca-platform.h
new file mode 100644
index 000000000000..3d191873f2d1
--- /dev/null
+++ b/include/linux/i2c-pca-platform.h
@@ -0,0 +1,12 @@
1#ifndef I2C_PCA9564_PLATFORM_H
2#define I2C_PCA9564_PLATFORM_H
3
4struct i2c_pca9564_pf_platform_data {
5 int gpio; /* pin to reset chip. driver will work when
6 * not supplied (negative value), but it
7 * cannot exit some error conditions then */
8 int i2c_clock_speed; /* values are defined in linux/i2c-algo-pca.h */
9 int timeout; /* timeout = this value * 10us */
10};
11
12#endif /* I2C_PCA9564_PLATFORM_H */