Support twl4030 keypad and gpio keys on ZOOM SDK.
Signed-off-by: Stanley.Miao <stanley.miao@xxxxxxxxxxxxx>
---
arch/arm/configs/omap_ldp_defconfig | 11 +++-
arch/arm/mach-omap2/board-ldp.c | 115 +++++++++++++++++++++++++++
drivers/input/keyboard/Kconfig | 2 +-
drivers/input/keyboard/gpio_keys.c | 4 +
drivers/input/keyboard/omap-twl4030keypad.c | 15 +++-
include/linux/gpio_keys.h | 1 +
6 files changed, 143 insertions(+), 5 deletions(-)
diff --git a/arch/arm/configs/omap_ldp_defconfig b/arch/arm/configs/omap_ldp_defconfig
index add0b71..33541d0 100644
--- a/arch/arm/configs/omap_ldp_defconfig
+++ b/arch/arm/configs/omap_ldp_defconfig
@@ -549,7 +549,16 @@ CONFIG_INPUT_EVDEV=y
#
# Input Device Drivers
#
-# CONFIG_INPUT_KEYBOARD is not set
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_TWL4030=y
+# CONFIG_KEYBOARD_LM8323 is not set
+CONFIG_KEYBOARD_GPIO=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index f319e97..c01baec 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 +74,117 @@ 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),
+ KEY(5, 4, KEY_MUTE),
+ 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 +313,7 @@ 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 +488,7 @@ 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/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..f0a0ea9 100644
--- a/drivers/input/keyboard/omap-twl4030keypad.c
+++ b/drivers/input/keyboard/omap-twl4030keypad.c
@@ -174,7 +174,7 @@ static void twl4030_kp_scan(struct omap_keypad *kp, int release_all)
if (!changed)
continue;
- for (col = 0; col < kp->n_cols + 1; col++) {
+ for (col = 0; col < kp->n_cols; col++) {
int key;
if (!(changed & (1 << col)))
@@ -185,11 +185,20 @@ static void twl4030_kp_scan(struct omap_keypad *kp, int release_all)
"press" : "release");
key = omap_kp_find_key(kp, col, row);
- if (key < 0)
+ if (key < 0) {
+#ifdef CONFIG_MACH_OMAP_LDP
+ /* OMAP LDP has a TWL4030 GPIO
+ * (KBR5/KBC4) that is set to a persistent
+ * state and should be ignored.
+ */
+ if (row == 5 && col == 4)
+ continue;
+#endif
+
dev_warn(kp->dbg_dev,
"Spurious key event %d-%d\n",
col, row);
- else
+ } 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
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
