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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 09:14:38 +0300
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 09:14:38 +0300
commitbcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch)
tree2f6dffd2d3e4dd67355a224de7e7a960335a92fd /include/linux/can/platform/mcp251x.h
parent11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff)
parent3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff)
downloadlinux-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.tar.xz
Merge commit 'origin/master' into next
Conflicts: include/linux/kvm.h
Diffstat (limited to 'include/linux/can/platform/mcp251x.h')
-rw-r--r--include/linux/can/platform/mcp251x.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/can/platform/mcp251x.h b/include/linux/can/platform/mcp251x.h
new file mode 100644
index 000000000000..1448177d86d5
--- /dev/null
+++ b/include/linux/can/platform/mcp251x.h
@@ -0,0 +1,36 @@
+#ifndef __CAN_PLATFORM_MCP251X_H__
+#define __CAN_PLATFORM_MCP251X_H__
+
+/*
+ *
+ * CAN bus driver for Microchip 251x CAN Controller with SPI Interface
+ *
+ */
+
+#include <linux/spi/spi.h>
+
+/**
+ * struct mcp251x_platform_data - MCP251X SPI CAN controller platform data
+ * @oscillator_frequency: - oscillator frequency in Hz
+ * @model: - actual type of chip
+ * @board_specific_setup: - called before probing the chip (power,reset)
+ * @transceiver_enable: - called to power on/off the transceiver
+ * @power_enable: - called to power on/off the mcp *and* the
+ * transceiver
+ *
+ * Please note that you should define power_enable or transceiver_enable or
+ * none of them. Defining both of them is no use.
+ *
+ */
+
+struct mcp251x_platform_data {
+ unsigned long oscillator_frequency;
+ int model;
+#define CAN_MCP251X_MCP2510 0
+#define CAN_MCP251X_MCP2515 1
+ int (*board_specific_setup)(struct spi_device *spi);
+ int (*transceiver_enable)(int enable);
+ int (*power_enable) (int enable);
+};
+
+#endif /* __CAN_PLATFORM_MCP251X_H__ */