From: Rajeev Kumar <rajeev-dlh.kumar@xxxxxx>
Let platform pass mode information to keyboard driver according to which
it configures itself. The mode can be
- KEYPAD_9x9 0
- KEYPAD_6x6 1
- KEYPAD_2x2 2
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@xxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxx>
---
arch/arm/plat-spear/include/plat/keyboard.h | 6 ++++++
drivers/input/keyboard/spear-keyboard.c | 7 ++++++-
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-spear/include/plat/keyboard.h b/arch/arm/plat-spear/include/plat/keyboard.h
index 130c045..c16cc31 100644
--- a/arch/arm/plat-spear/include/plat/keyboard.h
+++ b/arch/arm/plat-spear/include/plat/keyboard.h
@@ -140,10 +140,15 @@ int _name[] = { \
KEY(5, 5, KEY_ZENKAKUHANKAKU), \
}
+#define KEYPAD_9x9 0
+#define KEYPAD_6x6 1
+#define KEYPAD_2x2 2
+
/**
* struct kbd_platform_data - spear keyboard platform data
* keymap: pointer to keymap data (table and size)
* rep: enables key autorepeat
+ * mode: choose keyboard support(9x9, 6x6, 2x2)
*
* This structure is supposed to be used by platform code to supply
* keymaps to drivers that implement keyboards.
@@ -151,6 +156,7 @@ int _name[] = { \
struct kbd_platform_data {
const struct matrix_keymap_data *keymap;
bool rep;
+ unsigned int mode;
};
/* This function is used to set platform data field of pdev->dev */
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index c88bd63..0e7f686 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -50,6 +50,7 @@
#define ROW_MASK 0xF0
#define COLUMN_MASK 0x0F
#define ROW_SHIFT 4
+#define KEY_MATRIX_SHIFT 6
struct spear_kbd {
struct input_dev *input;
@@ -58,6 +59,7 @@ struct spear_kbd {
struct clk *clk;
unsigned int irq;
unsigned short last_key;
+ unsigned int mode;
unsigned short keycodes[256];
};
@@ -106,7 +108,8 @@ static int spear_kbd_open(struct input_dev *dev)
return error;
/* program keyboard */
- val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK;
+ val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK |
+ (kbd->mode << KEY_MATRIX_SHIFT);
writew(val, kbd->io_base + MODE_REG);
writeb(1, kbd->io_base + STATUS_REG);
@@ -176,6 +179,8 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev)
kbd->input = input_dev;
kbd->irq = irq;
+ kbd->mode = pdata->mode;
+
kbd->res = request_mem_region(res->start, resource_size(res),
pdev->name);
if (!kbd->res) {
--
1.7.8.110.g4cb5d
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