[U-Boot] [PATCH] cm-t35: add I2C multi-bus support
Igor Grinberg
grinberg at compulab.co.il
Mon Apr 2 14:29:31 CEST 2012
From: Nikita Kiryanov <nikita at compulab.co.il>
Enable I2C multi-bus support and config I2C muxes for I2C2 and I2C3.
Signed-off-by: Nikita Kiryanov <nikita at compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg at compulab.co.il>
---
board/cm_t35/cm_t35.c | 6 ++++++
include/configs/cm_t35.h | 1 +
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
index 0a04994..bc991c4 100644
--- a/board/cm_t35/cm_t35.c
+++ b/board/cm_t35/cm_t35.c
@@ -241,6 +241,12 @@ static void cm_t3x_set_common_muxconf(void)
/* I2C1 */
MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/
MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/
+ /* I2C2 */
+ MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)); /*I2C2_SCL*/
+ MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)); /*I2C2_SDA*/
+ /* I2C3 */
+ MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)); /*I2C3_SCL*/
+ MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)); /*I2C3_SDA*/
/* control and debug */
MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)); /*SYS_32K*/
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index fe91c10..b28bd8e 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -156,6 +156,7 @@
#define CONFIG_DRIVER_OMAP34XX_I2C
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
+#define CONFIG_I2C_MULTI_BUS
/*
* TWL4030
--
1.7.3.4
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