[U-Boot] [PATCH 3/3] Tegra30: I2C: Enable I2C driver on Cardhu

Tom Warren
2012-12-22T00:16:39Z

Tested all 5 'buses', i2c probe enumerates device addresses on all
but dev 4 (I2C4) [no devices on that bus on my Cardhu].

Note that this uses the extant tegra_i2c.c driver w/o modification.

Signed-off-by: Tom Warren <twarren@nvidia.com>
---
include/configs/cardhu.h | 9 +++++++++
include/configs/tegra30-common.h | 3 +++
2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/include/configs/cardhu.h b/include/configs/cardhu.h
index 471df6e..aa725ba 100644
--- a/include/configs/cardhu.h
+++ b/include/configs/cardhu.h
@@ -38,6 +38,15 @@
#define CONFIG_MACH_TYPE MACH_TYPE_CARDHU

#define CONFIG_BOARD_EARLY_INIT_F
+
+/* I2C */
+#define CONFIG_TEGRA_I2C
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_MAX_I2C_BUS TEGRA_I2C_NUM_CONTROLLERS
+#define CONFIG_SYS_I2C_SPEED 100000
+#define CONFIG_CMD_I2C
+
#define CONFIG_ENV_IS_NOWHERE

#include "tegra-common-post.h"
diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h
index 282caec..04517e1 100644
--- a/include/configs/tegra30-common.h
+++ b/include/configs/tegra30-common.h
@@ -83,4 +83,7 @@

#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/tegra30/u-boot-spl.lds"

+/* Total I2C ports on Tegra30 */
+#define TEGRA_I2C_NUM_CONTROLLERS 5
+
#endif /* _TEGRA30_COMMON_H_ */
--
1.7.0.4