diff options
| -rw-r--r-- | drivers/i2c/fti2c010.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/i2c/fti2c010.c b/drivers/i2c/fti2c010.c index ddeb941..ec6afc9 100644 --- a/drivers/i2c/fti2c010.c +++ b/drivers/i2c/fti2c010.c @@ -18,22 +18,23 @@ #endif #ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED 50000 +#define CONFIG_SYS_I2C_SPEED 5000 #endif -#ifndef CONFIG_FTI2C010_FREQ -#define CONFIG_FTI2C010_FREQ clk_get_rate("I2C") +#ifndef CONFIG_FTI2C010_CLOCK +#define CONFIG_FTI2C010_CLOCK clk_get_rate("I2C") #endif -/* command timeout */ -#define CFG_CMD_TIMEOUT 10 /* ms */ +#ifndef CONFIG_FTI2C010_TIMEOUT +#define CONFIG_FTI2C010_TIMEOUT 10 /* ms */ +#endif -/* 7-bit chip address + 1-bit read/write */ -#define I2C_RD(chip) ((((chip) << 1) & 0xff) | 1) -#define I2C_WR(chip) (((chip) << 1) & 0xff) +/* 7-bit dev address + 1-bit read/write */ +#define I2C_RD(dev) ((((dev) << 1) & 0xfe) | 1) +#define I2C_WR(dev) (((dev) << 1) & 0xfe) struct fti2c010_chip { - void __iomem *regs; + struct fti2c010_regs *regs; uint bus; uint speed; }; @@ -41,25 +42,25 @@ struct fti2c010_chip { static struct fti2c010_chip chip_list[] = { { .bus = 0, - .regs = (void __iomem *)CONFIG_FTI2C010_BASE, + .regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE, }, #ifdef CONFIG_I2C_MULTI_BUS # ifdef CONFIG_FTI2C010_BASE1 { .bus = 1, - .regs = (void __iomem *)CONFIG_FTI2C010_BASE1, + .regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE1, }, # endif # ifdef CONFIG_FTI2C010_BASE2 { .bus = 2, - .regs = (void __iomem *)CONFIG_FTI2C010_BASE2, + .regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE2, }, # endif # ifdef CONFIG_FTI2C010_BASE3 { .bus = 3, - .regs = (void __iomem *)CONFIG_FTI2C010_BASE3, + .regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE3, }, # endif #endif /* #ifdef CONFIG_I2C_MULTI_BUS */ @@ -73,7 +74,7 @@ static int fti2c010_wait(uint32_t mask) uint32_t stat, ts; struct fti2c010_regs *regs = curr->regs; - for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) { + for (ts = get_timer(0); get_timer(ts) < CONFIG_FTI2C010_TIMEOUT; ) { stat = readl(®s->sr); if ((stat & mask) == mask) { ret = 0; @@ -324,7 +325,7 @@ uint i2c_get_bus_num(void) int i2c_set_bus_speed(uint speed) { struct fti2c010_regs *regs = curr->regs; - uint clk = CONFIG_FTI2C010_FREQ; + uint clk = CONFIG_FTI2C010_CLOCK; uint gsr = 0, tsr = 32; uint spd, div; |