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-rw-r--r--arch/arm/plat-omap/include/plat/i2c.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/i2c.h b/arch/arm/plat-omap/include/plat/i2c.h
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+++ b/arch/arm/plat-omap/include/plat/i2c.h
@@ -0,0 +1,55 @@
+/*
+ * Helper module for board specific I2C bus registration
+ *
+ * Copyright (C) 2009 Nokia Corporation.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+#ifndef __ASM__ARCH_OMAP_I2C_H
+#define __ASM__ARCH_OMAP_I2C_H
+
+#include <linux/i2c.h>
+
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
+ struct i2c_board_info const *info,
+ unsigned len);
+#else
+static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
+ struct i2c_board_info const *info,
+ unsigned len)
+{
+ return 0;
+}
+#endif
+
+/**
+ * i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod
+ * @fifo_depth: total controller FIFO size (in bytes)
+ * @flags: differences in hardware support capability
+ *
+ * @fifo_depth represents what exists on the hardware, not what is
+ * actually configured at runtime by the device driver.
+ */
+struct omap_i2c_dev_attr {
+ u8 fifo_depth;
+ u8 flags;
+};
+
+void __init omap1_i2c_mux_pins(int bus_id);
+void __init omap2_i2c_mux_pins(int bus_id);
+
+#endif /* __ASM__ARCH_OMAP_I2C_H */