summaryrefslogtreecommitdiffstats
path: root/kernel/include/linux/platform_data/max3421-hcd.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/linux/platform_data/max3421-hcd.h')
-rw-r--r--kernel/include/linux/platform_data/max3421-hcd.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/include/linux/platform_data/max3421-hcd.h b/kernel/include/linux/platform_data/max3421-hcd.h
new file mode 100644
index 000000000..0303d1970
--- /dev/null
+++ b/kernel/include/linux/platform_data/max3421-hcd.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2014 eGauge Systems LLC
+ * Contributed by David Mosberger-Tang <davidm@egauge.net>
+ *
+ * Platform-data structure for MAX3421 USB HCD driver.
+ *
+ */
+#ifndef MAX3421_HCD_PLAT_H_INCLUDED
+#define MAX3421_HCD_PLAT_H_INCLUDED
+
+/*
+ * This structure defines the mapping of certain auxiliary functions to the
+ * MAX3421E GPIO pins. The chip has eight GP inputs and eight GP outputs.
+ * A value of 0 indicates that the pin is not used/wired to anything.
+ *
+ * At this point, the only control the max3421-hcd driver cares about is
+ * to control Vbus (5V to the peripheral).
+ */
+struct max3421_hcd_platform_data {
+ u8 vbus_gpout; /* pin controlling Vbus */
+ u8 vbus_active_level; /* level that turns on power */
+};
+
+#endif /* MAX3421_HCD_PLAT_H_INCLUDED */