[linux-yocto] [PATCH 20/87] include/linux/i2c-axxia.h: added missing file to fix build bug

Paul Butler butler.paul at gmail.com
Mon May 27 09:55:51 PDT 2013


Signed-off-by: Paul Butler <paul.butler at windriver.com>
---
 include/linux/i2c-axxia.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 include/linux/i2c-axxia.h

diff --git a/include/linux/i2c-axxia.h b/include/linux/i2c-axxia.h
new file mode 100644
index 0000000..5f1ae4a
--- /dev/null
+++ b/include/linux/i2c-axxia.h
@@ -0,0 +1,25 @@
+#ifndef __I2C_AXXIA_H__
+#define __I2C_AXXIA_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 AXXIA4430 reports the same ID as the V1 peripheral
+ * unit on the AXXIA3530, 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 AXXIA_I2C_IP_VERSION_1 1                /* ACP34xx */
+#define AXXIA_I2C_IP_VERSION_2 2                /* AXM55xx */
+
+/* struct axxia_i2c_bus_platform_data .flags meanings */
+
+struct axxia_i2c_bus_platform_data {
+	u32		rev;
+	u32		flags;
+};
+
+#endif
-- 
1.8.3




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