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authorWolfram Sang <w.sang@pengutronix.de>2012-04-03 13:39:44 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-04-04 09:25:39 -0700
commit0bf25a45386f284d591530ef174eaa9e44d84956 (patch)
tree128d3124b99531345cfbfcf4045ec03c7996eab1 /include/linux/input
parent5a966261c0dfb836f54444ff3893638802183cac (diff)
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Input: add support for LM8333 keypads
This driver adds support for the keypad part of the LM8333 and is prepared for possible GPIO/PWM drivers. Note that this is not a MFD because you cannot disable the keypad functionality which, thus, has to be handled by the core anyhow. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/input')
-rw-r--r--include/linux/input/lm8333.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/input/lm8333.h b/include/linux/input/lm8333.h
new file mode 100644
index 000000000000..79f918c6e8c5
--- /dev/null
+++ b/include/linux/input/lm8333.h
@@ -0,0 +1,24 @@
+/*
+ * public include for LM8333 keypad driver - same license as driver
+ * Copyright (C) 2012 Wolfram Sang, Pengutronix <w.sang@pengutronix.de>
+ */
+
+#ifndef _LM8333_H
+#define _LM8333_H
+
+struct lm8333;
+
+struct lm8333_platform_data {
+ /* Keymap data */
+ const struct matrix_keymap_data *matrix_data;
+ /* Active timeout before enter HALT mode in microseconds */
+ unsigned active_time;
+ /* Debounce interval in microseconds */
+ unsigned debounce_time;
+};
+
+extern int lm8333_read8(struct lm8333 *lm8333, u8 cmd);
+extern int lm8333_write8(struct lm8333 *lm8333, u8 cmd, u8 val);
+extern int lm8333_read_block(struct lm8333 *lm8333, u8 cmd, u8 len, u8 *buf);
+
+#endif /* _LM8333_H */