[U-Boot] [PATCH 3/3] cm_t335: add support for pca9555 i2c gpio extender

Ilya Ledvich
2013-11-07T05:57:35Z

Add support for the 16 bits pca9555 i2c to gpio extender featured
by the SB-T335 baseboard.

Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
---
include/configs/cm_t335.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/configs/cm_t335.h b/include/configs/cm_t335.h
index fbdead2..56e9a8e 100644
--- a/include/configs/cm_t335.h
+++ b/include/configs/cm_t335.h
@@ -166,5 +166,17 @@
#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
#define STATUS_LED_BOOT 0

+#ifndef CONFIG_SPL_BUILD
+/*
+ * Enable PCA9555 at I2C0-0x26.
+ * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
+ */
+#define CONFIG_PCA953X
+#define CONFIG_CMD_PCA953X
+#define CONFIG_CMD_PCA953X_INFO
+#define CONFIG_SYS_I2C_PCA953X_ADDR 0x26
+#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} }
+#endif /* CONFIG_SPL_BUILD */
+
#endif /* __CONFIG_CM_T335_H */

--
1.7.9.5