Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / i2c-omap.h

diff --git a/kernel/include/linux/i2c-omap.h b/kernel/include/linux/i2c-omap.h
new file mode 100644 (file)
index 0000000..babe0cf
--- /dev/null
+++ b/kernel/include/linux/i2c-omap.h
@@ -0,0 +1,38 @@
+#ifndef __I2C_OMAP_H__
+#define __I2C_OMAP_H__
+
+#include <linux/platform_device.h>
+
+/*
+ * Version 2 of the I2C peripheral unit has a different register
+ * layout and extra registers.  The ID register in the V2 peripheral
+ * unit on the OMAP4430 reports the same ID as the V1 peripheral
+ * unit on the OMAP3530, so we must inform the driver which IP
+ * version we know it is running on from platform / cpu-specific
+ * code using these constants in the hwmod class definition.
+ */
+
+#define OMAP_I2C_IP_VERSION_1 1
+#define OMAP_I2C_IP_VERSION_2 2
+
+/* struct omap_i2c_bus_platform_data .flags meanings */
+
+#define OMAP_I2C_FLAG_NO_FIFO                  BIT(0)
+#define OMAP_I2C_FLAG_SIMPLE_CLOCK             BIT(1)
+#define OMAP_I2C_FLAG_16BIT_DATA_REG           BIT(2)
+#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK        BIT(5)
+#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK      BIT(6)
+/* how the CPU address bus must be translated for I2C unit access */
+#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
+#define OMAP_I2C_FLAG_BUS_SHIFT_1              BIT(7)
+#define OMAP_I2C_FLAG_BUS_SHIFT_2              BIT(8)
+#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7
+
+struct omap_i2c_bus_platform_data {
+       u32             clkrate;
+       u32             rev;
+       u32             flags;
+       void            (*set_mpu_wkup_lat)(struct device *dev, long set);
+};
+
+#endif