aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/i2c/busses/i2c-iop3xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c/busses/i2c-iop3xx.c')
-rw-r--r--drivers/i2c/busses/i2c-iop3xx.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 8e413150af37..4436c89be58e 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -82,14 +82,16 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
82 82
83 /* 83 /*
84 * Every time unit enable is asserted, GPOD needs to be cleared 84 * Every time unit enable is asserted, GPOD needs to be cleared
85 * on IOP321 to avoid data corruption on the bus. 85 * on IOP3XX to avoid data corruption on the bus.
86 */ 86 */
87#ifdef CONFIG_ARCH_IOP321 87#ifdef CONFIG_PLAT_IOP
88#define IOP321_GPOD_I2C0 0x00c0 /* clear these bits to enable ch0 */ 88 if (iop3xx_adap->id == 0) {
89#define IOP321_GPOD_I2C1 0x0030 /* clear these bits to enable ch1 */ 89 gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW);
90 90 gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW);
91 *IOP321_GPOD &= (iop3xx_adap->id == 0) ? ~IOP321_GPOD_I2C0 : 91 } else {
92 ~IOP321_GPOD_I2C1; 92 gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW);
93 gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW);
94 }
93#endif 95#endif
94 /* NB SR bits not same position as CR IE bits :-( */ 96 /* NB SR bits not same position as CR IE bits :-( */
95 iop3xx_adap->SR_enabled = 97 iop3xx_adap->SR_enabled =