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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-01-14 15:21:00 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-01-14 15:21:00 +0100
commit1199c377cf14c240b903e351ab02b3b2cd3800c6 (patch)
tree8ea274860fc5d3d7a011c2896d865b6976008384 /include/i2c.h
parent961ffc7759b703e1c574280267e705f2e5f54432 (diff)
parente4660e0b7363cdc86519f4af2143b841592a7ffd (diff)
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'include/i2c.h')
-rw-r--r--include/i2c.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h
index 16f099d2ee..c60d07583b 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -262,4 +262,30 @@ extern int get_multi_scl_pin(void);
extern int get_multi_sda_pin(void);
extern int multi_i2c_init(void);
#endif
+
+/**
+ * Get FDT values for i2c bus.
+ *
+ * @param blob Device tree blbo
+ * @return the number of I2C bus
+ */
+void board_i2c_init(const void *blob);
+
+/**
+ * Find the I2C bus number by given a FDT I2C node.
+ *
+ * @param blob Device tree blbo
+ * @param node FDT I2C node to find
+ * @return the number of I2C bus (zero based), or -1 on error
+ */
+int i2c_get_bus_num_fdt(int node);
+
+/**
+ * Reset the I2C bus represented by the given a FDT I2C node.
+ *
+ * @param blob Device tree blbo
+ * @param node FDT I2C node to find
+ * @return 0 if port was reset, -1 if not found
+ */
+int i2c_reset_port_fdt(const void *blob, int node);
#endif /* _I2C_H_ */