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-rw-r--r--kernel/include/linux/w1-gpio.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/include/linux/w1-gpio.h b/kernel/include/linux/w1-gpio.h
new file mode 100644
index 000000000..d58594a32
--- /dev/null
+++ b/kernel/include/linux/w1-gpio.h
@@ -0,0 +1,26 @@
+/*
+ * w1-gpio interface to platform code
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * 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.
+ */
+#ifndef _LINUX_W1_GPIO_H
+#define _LINUX_W1_GPIO_H
+
+/**
+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
+ * @pin: GPIO pin to use
+ * @is_open_drain: GPIO pin is configured as open drain
+ */
+struct w1_gpio_platform_data {
+ unsigned int pin;
+ unsigned int is_open_drain:1;
+ void (*enable_external_pullup)(int enable);
+ unsigned int ext_pullup_enable_pin;
+ unsigned int pullup_duration;
+};
+
+#endif /* _LINUX_W1_GPIO_H */