aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/platform_data/keypad-pxa27x.h
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-08-24 15:16:48 +0200
committerArnd Bergmann <arnd@arndb.de>2012-09-14 11:18:10 +0200
commit293b2da1b61136813fc2764f43304c66ff8040e9 (patch)
tree0edb35568fa88f853da9c14cd789a8403cda1b9d /include/linux/platform_data/keypad-pxa27x.h
parentARM: netx: move platform_data definitions (diff)
downloadlinux-dev-293b2da1b61136813fc2764f43304c66ff8040e9.tar.xz
linux-dev-293b2da1b61136813fc2764f43304c66ff8040e9.zip
ARM: pxa: move platform_data definitions
Platform data for device drivers should be defined in include/linux/platform_data/*.h, not in the architecture and platform specific directories. This moves such data out of the pxa include directories Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Acked-by: Jeff Garzik <jgarzik@redhat.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Paul Parsons <lost.distance@yahoo.com> Acked-by: Vinod Koul <vinod.koul@linux.intel.com> Acked-By: Stefan Schmidt <stefan@openezx.org> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Daniel Ribeiro <drwyrm@gmail.com> Cc: Harald Welte <laforge@openezx.org> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Tomas Cech <sleep_walker@suse.cz> Cc: Sergey Lapin <slapin@ossfans.org> Cc: Jonathan Cameron <jic23@cam.ac.uk> Cc: Dan Williams <djbw@fb.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Chris Ball <cjb@laptop.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Liam Girdwood <lrg@ti.com> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.de> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: openezx-devel@lists.openezx.org
Diffstat (limited to 'include/linux/platform_data/keypad-pxa27x.h')
-rw-r--r--include/linux/platform_data/keypad-pxa27x.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/include/linux/platform_data/keypad-pxa27x.h b/include/linux/platform_data/keypad-pxa27x.h
new file mode 100644
index 000000000000..5ce8d5e6ea51
--- /dev/null
+++ b/include/linux/platform_data/keypad-pxa27x.h
@@ -0,0 +1,73 @@
+#ifndef __ASM_ARCH_PXA27x_KEYPAD_H
+#define __ASM_ARCH_PXA27x_KEYPAD_H
+
+#include <linux/input.h>
+#include <linux/input/matrix_keypad.h>
+
+#define MAX_MATRIX_KEY_ROWS (8)
+#define MAX_MATRIX_KEY_COLS (8)
+#define MATRIX_ROW_SHIFT (3)
+#define MAX_DIRECT_KEY_NUM (8)
+
+/* pxa3xx keypad platform specific parameters
+ *
+ * NOTE:
+ * 1. direct_key_num indicates the number of keys in the direct keypad
+ * _plus_ the number of rotary-encoder sensor inputs, this can be
+ * left as 0 if only rotary encoders are enabled, the driver will
+ * automatically calculate this
+ *
+ * 2. direct_key_map is the key code map for the direct keys, if rotary
+ * encoder(s) are enabled, direct key 0/1(2/3) will be ignored
+ *
+ * 3. rotary can be either interpreted as a relative input event (e.g.
+ * REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT)
+ *
+ * 4. matrix key and direct key will use the same debounce_interval by
+ * default, which should be sufficient in most cases
+ *
+ * pxa168 keypad platform specific parameter
+ *
+ * NOTE:
+ * clear_wakeup_event callback is a workaround required to clear the
+ * keypad interrupt. The keypad wake must be cleared in addition to
+ * reading the MI/DI bits in the KPC register.
+ */
+struct pxa27x_keypad_platform_data {
+
+ /* code map for the matrix keys */
+ unsigned int matrix_key_rows;
+ unsigned int matrix_key_cols;
+ unsigned int *matrix_key_map;
+ int matrix_key_map_size;
+
+ /* direct keys */
+ int direct_key_num;
+ unsigned int direct_key_map[MAX_DIRECT_KEY_NUM];
+ /* the key output may be low active */
+ int direct_key_low_active;
+ /* give board a chance to choose the start direct key */
+ unsigned int direct_key_mask;
+
+ /* rotary encoders 0 */
+ int enable_rotary0;
+ int rotary0_rel_code;
+ int rotary0_up_key;
+ int rotary0_down_key;
+
+ /* rotary encoders 1 */
+ int enable_rotary1;
+ int rotary1_rel_code;
+ int rotary1_up_key;
+ int rotary1_down_key;
+
+ /* key debounce interval */
+ unsigned int debounce_interval;
+
+ /* clear wakeup event requirement for pxa168 */
+ void (*clear_wakeup_event)(void);
+};
+
+extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info);
+
+#endif /* __ASM_ARCH_PXA27x_KEYPAD_H */