Support twl4030 keypad and gpio keys on ZOOM SDK.
Signed-off-by: Stanley.Miao <stanley.miao@xxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-ldp.c | 114 +++++++++++++++++++++++++++
arch/arm/plat-omap/include/mach/keypad.h | 5 +
drivers/input/keyboard/Kconfig | 2 +-
drivers/input/keyboard/gpio_keys.c | 4 +
drivers/input/keyboard/omap-twl4030keypad.c | 9 +-
include/linux/gpio_keys.h | 1 +
6 files changed, 130 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index e89f271..a8e63d7 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
+#include <linux/gpio_keys.h>
#include <linux/workqueue.h>
#include <linux/err.h>
#include <linux/clk.h>
@@ -33,6 +34,7 @@
#include <mach/gpio.h>
#include <mach/board.h>
#include <mach/common.h>
+#include <mach/keypad.h>
#include <mach/gpmc.h>
#include <mach/mmc.h>
#include <mach/usb-musb.h>
@@ -72,6 +74,116 @@ static struct platform_device ldp_smc911x_device = {
.resource = ldp_smc911x_resources,
};
+static int ldp_twl4030_keymap[] = {
+ KEY(0, 0, KEY_1),
+ KEY(1, 0, KEY_2),
+ KEY(2, 0, KEY_3),
+ KEY(0, 1, KEY_4),
+ KEY(1, 1, KEY_5),
+ KEY(2, 1, KEY_6),
+ KEY(3, 1, KEY_F5),
+ KEY(0, 2, KEY_7),
+ KEY(1, 2, KEY_8),
+ KEY(2, 2, KEY_9),
+ KEY(3, 2, KEY_F6),
+ KEY(0, 3, KEY_F7),
+ KEY(1, 3, KEY_0),
+ KEY(2, 3, KEY_F8),
+ PERSISTENT_KEY(4, 5),
+ KEY(4, 4, KEY_VOLUMEUP),
+ KEY(5, 5, KEY_VOLUMEDOWN),
+ 0
+};
+
+static struct twl4030_keypad_data ldp_kp_twl4030_data = {
+ .rows = 6,
+ .cols = 6,
+ .keymap = ldp_twl4030_keymap,
+ .keymapsize = ARRAY_SIZE(ldp_twl4030_keymap),
+ .rep = 1,
+ .irq = TWL4030_MODIRQ_KEYPAD,
+};
+
+static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
+ [0] = {
+ .code = KEY_ENTER,
+ .gpio = 101,
+ .desc = "enter sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [1] = {
+ .code = KEY_F1,
+ .gpio = 102,
+ .desc = "func 1",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [2] = {
+ .code = KEY_F2,
+ .gpio = 103,
+ .desc = "func 2",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [3] = {
+ .code = KEY_F3,
+ .gpio = 104,
+ .desc = "func 3",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [4] = {
+ .code = KEY_F4,
+ .gpio = 105,
+ .desc = "func 4",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [5] = {
+ .code = KEY_LEFT,
+ .gpio = 106,
+ .desc = "left sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [6] = {
+ .code = KEY_RIGHT,
+ .gpio = 107,
+ .desc = "right sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [7] = {
+ .code = KEY_UP,
+ .gpio = 108,
+ .desc = "up sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [8] = {
+ .code = KEY_DOWN,
+ .gpio = 109,
+ .desc = "down sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+};
+
+static struct gpio_keys_platform_data ldp_gpio_keys = {
+ .buttons = ldp_gpio_keys_buttons,
+ .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
+ .rep = 1,
+};
+
+static struct platform_device ldp_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &ldp_gpio_keys,
+ },
+};
+
static int ts_gpio;
static int __init msecure_init(void)
@@ -200,6 +312,7 @@ static struct platform_device ldp_lcd_device = {
static struct platform_device *ldp_devices[] __initdata = {
&ldp_smc911x_device,
&ldp_lcd_device,
+ &ldp_gpio_keys_device,
};
static inline void __init ldp_init_smc911x(void)
@@ -374,6 +487,7 @@ static struct twl4030_platform_data ldp_twldata = {
.usb = &ldp_usb_data,
.power = &sdp3430_t2scripts_data,
.gpio = &ldp_gpio_data,
+ .keypad = &ldp_kp_twl4030_data,
};
static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
diff --git a/arch/arm/plat-omap/include/mach/keypad.h b/arch/arm/plat-omap/include/mach/keypad.h
index ba1c95c..b7f270a 100644
--- a/arch/arm/plat-omap/include/mach/keypad.h
+++ b/arch/arm/plat-omap/include/mach/keypad.h
@@ -34,7 +34,12 @@ struct omap_kp_platform_data {
#define GROUP_3 (3 << 16)
#define GROUP_MASK GROUP_3
+#define ROWCOL_MASK 0xFF000000
+#define KEY_PERSISTENT 0x00800000
+#define KEYNUM_MASK 0x00EFFFFF
#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
+#define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \
+ KEY_PERSISTENT)
#endif
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index e4d0436..c8abf13 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -261,7 +261,7 @@ config KEYBOARD_OMAP
config KEYBOARD_TWL4030
tristate "TI TWL4030 keypad support"
- depends on TWL4030_CORE && (MACH_OMAP_2430SDP || MACH_OMAP2EVM || MACH_OMAP_3430SDP || MACH_OMAP3EVM)
+ depends on TWL4030_CORE && (MACH_OMAP_2430SDP || MACH_OMAP2EVM || MACH_OMAP_3430SDP || MACH_OMAP3EVM || MACH_OMAP_LDP)
help
Say Y here if you want to use the OMAP TWL4030 keypad.
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 05f3f43..722529c 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -98,6 +98,10 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
input->id.product = 0x0001;
input->id.version = 0x0100;
+ /* Enable auto repeat feature of Linux input subsystem */
+ if (pdata->rep)
+ set_bit(EV_REP, input->evbit);
+
ddata->input = input;
for (i = 0; i < pdata->nbuttons; i++) {
diff --git a/drivers/input/keyboard/omap-twl4030keypad.c b/drivers/input/keyboard/omap-twl4030keypad.c
index d3e1d20..13c9c0a 100644
--- a/drivers/input/keyboard/omap-twl4030keypad.c
+++ b/drivers/input/keyboard/omap-twl4030keypad.c
@@ -38,14 +38,13 @@
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
#include <linux/irq.h>
+#include <mach/keypad.h>
+
#include "twl4030-keypad.h"
#define PTV_PRESCALER 4
#define MAX_ROWS 8 /* TWL4030 hardlimit */
-#define ROWCOL_MASK 0xFF000000
-#define KEYNUM_MASK 0x00FFFFFF
-#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
/* Global variables */
@@ -101,7 +100,7 @@ static int omap_kp_find_key(struct omap_keypad *kp, int col, int row)
rc = KEY(col, row, 0);
for (i = 0; i < kp->keymapsize; i++)
if ((kp->keymap[i] & ROWCOL_MASK) == rc)
- return kp->keymap[i] & KEYNUM_MASK;
+ return kp->keymap[i] & (KEYNUM_MASK | KEY_PERSISTENT);
return -EINVAL;
}
@@ -189,6 +188,8 @@ static void twl4030_kp_scan(struct omap_keypad *kp, int release_all)
dev_warn(kp->dbg_dev,
"Spurious key event %d-%d\n",
col, row);
+ else if (key & KEY_PERSISTENT)
+ continue;
else
input_report_key(kp->omap_twl4030kp, key,
new_state[row] & (1 << col));
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index ec6ecd7..1289fa7 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -15,6 +15,7 @@ struct gpio_keys_button {
struct gpio_keys_platform_data {
struct gpio_keys_button *buttons;
int nbuttons;
+ unsigned int rep:1; /* enable input subsystem auto repeat */
};
#endif
--
1.5.6.3
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