i2c: tegra: Add i2c support

Adds I2C bus driver for nVidia Tegra SoCs.  Tegra includes 4 I2C
controllers, one of which is inside the Dynamic Voltage Controller
and has a slightly different register map.

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/i2c-tegra.h b/include/linux/i2c-tegra.h
new file mode 100644
index 00000000000..9c85da49857
--- /dev/null
+++ b/include/linux/i2c-tegra.h
@@ -0,0 +1,25 @@
+/*
+ * drivers/i2c/busses/i2c-tegra.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_I2C_TEGRA_H
+#define _LINUX_I2C_TEGRA_H
+
+struct tegra_i2c_platform_data {
+	unsigned long bus_clk_rate;
+};
+
+#endif /* _LINUX_I2C_TEGRA_H */