This adds the platform specific i2c configuration
data structures to setup the nomadik/Ux500 I2C
block.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@xxxxxxxxxxxxxx>
Acked-by: Andrea Gallo <andrea.gallo@xxxxxxxxxxxxxx>
---
arch/arm/plat-nomadik/include/plat/i2c.h | 37 ++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/plat-nomadik/include/plat/i2c.h
diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h
new file mode 100644
index 0000000..1621db6
--- /dev/null
+++ b/arch/arm/plat-nomadik/include/plat/i2c.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2009 ST-Ericsson
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ */
+#ifndef __PLAT_I2C_H
+#define __PLAT_I2C_H
+
+enum i2c_freq_mode {
+ I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */
+ I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */
+ I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */
+ I2C_FREQ_MODE_HIGH_SPEED /* up to 3.4 Mb/s */
+};
+
+/**
+ * struct nmk_i2c_controller - client specific controller configuration
+ * @clk_freq: clock frequency for the operation mode
+ * @slsu: Slave data setup time in ns.
+ * The needed setup time for three modes of operation
+ * are 250ns, 100ns and 10ns respectively thus leading
+ * to the values of 14, 6, 2 for a 48 MHz i2c clk
+ * @tft: Tx FIFO Threshold in bytes
+ * @rft: Rx FIFO Threshold in bytes
+ * @sm: speed mode
+ */
+struct nmk_i2c_controller {
+ unsigned long clk_freq;
+ unsigned short slsu;
+ unsigned char tft;
+ unsigned char rft;
+ enum i2c_freq_mode sm;
+};
+
+#endif /* __PLAT_I2C_H */
--
1.6.3.GIT
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