Keyboard support for SDP OMAP4430
Signed-off-by: Abraham Arce <[email protected]>
---
arch/arm/mach-omap2/board-4430sdp.c | 157 +++++++++++++++++++++++++++++++++++
1 files changed, 157 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-4430sdp.c
b/arch/arm/mach-omap2/board-4430sdp.c
index 6cce6f2..19742c5 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -19,6 +19,8 @@
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/spi/spi.h>
+#include <linux/input.h>
+#include <linux/input/matrix_keypad.h>
#include <mach/hardware.h>
#include <mach/omap4-common.h>
@@ -31,11 +33,161 @@
#include <plat/control.h>
#include <plat/timer-gp.h>
#include <plat/usb.h>
+#include <plat/omap_device.h>
+#include <plat/omap_hwmod.h>
#define ETH_KS8851_IRQ 34
#define ETH_KS8851_POWER_ON 48
#define ETH_KS8851_QUART 138
+static int sdp4430_keymap[] = {
+ KEY(0, 0, KEY_E),
+ KEY(0, 1, KEY_R),
+ KEY(0, 2, KEY_T),
+ KEY(0, 3, KEY_HOME),
+ KEY(0, 4, KEY_F5),
+ KEY(0, 5, KEY_UNKNOWN),
+ KEY(0, 6, KEY_I),
+ KEY(0, 7, KEY_LEFTSHIFT),
+
+ KEY(1, 0, KEY_D),
+ KEY(1, 1, KEY_F),
+ KEY(1, 2, KEY_G),
+ KEY(1, 3, KEY_SEND),
+ KEY(1, 4, KEY_F6),
+ KEY(1, 5, KEY_UNKNOWN),
+ KEY(1, 6, KEY_K),
+ KEY(1, 7, KEY_ENTER),
+
+ KEY(2, 0, KEY_X),
+ KEY(2, 1, KEY_C),
+ KEY(2, 2, KEY_V),
+ KEY(2, 3, KEY_END),
+ KEY(2, 4, KEY_F7),
+ KEY(2, 5, KEY_UNKNOWN),
+ KEY(2, 6, KEY_DOT),
+ KEY(2, 7, KEY_CAPSLOCK),
+
+ KEY(3, 0, KEY_Z),
+ KEY(3, 1, KEY_KPPLUS),
+ KEY(3, 2, KEY_B),
+ KEY(3, 3, KEY_F1),
+ KEY(3, 4, KEY_F8),
+ KEY(3, 5, KEY_UNKNOWN),
+ KEY(3, 6, KEY_O),
+ KEY(3, 7, KEY_SPACE),
+
+ KEY(4, 0, KEY_W),
+ KEY(4, 1, KEY_Y),
+ KEY(4, 2, KEY_U),
+ KEY(4, 3, KEY_F2),
+ KEY(4, 4, KEY_VOLUMEUP),
+ KEY(4, 5, KEY_UNKNOWN),
+ KEY(4, 6, KEY_L),
+ KEY(4, 7, KEY_LEFT),
+
+ KEY(5, 0, KEY_S),
+ KEY(5, 1, KEY_H),
+ KEY(5, 2, KEY_J),
+ KEY(5, 3, KEY_F3),
+ KEY(5, 4, KEY_F9),
+ KEY(5, 5, KEY_VOLUMEDOWN),
+ KEY(5, 6, KEY_M),
+ KEY(5, 7, KEY_RIGHT),
+
+ KEY(6, 0, KEY_Q),
+ KEY(6, 1, KEY_A),
+ KEY(6, 2, KEY_N),
+ KEY(6, 3, KEY_BACK),
+ KEY(6, 4, KEY_BACKSPACE),
+ KEY(6, 5, KEY_UNKNOWN),
+ KEY(6, 6, KEY_P),
+ KEY(6, 7, KEY_UP),
+
+ KEY(7, 0, KEY_PROG1),
+ KEY(7, 1, KEY_PROG2),
+ KEY(7, 2, KEY_PROG3),
+ KEY(7, 3, KEY_PROG4),
+ KEY(7, 4, KEY_F4),
+ KEY(7, 5, KEY_UNKNOWN),
+ KEY(7, 6, KEY_OK),
+ KEY(7, 7, KEY_DOWN),
+};
+
+static struct matrix_keymap_data sdp4430_keymap_data = {
+ .keymap = sdp4430_keymap,
+ .keymap_size = ARRAY_SIZE(sdp4430_keymap),
+};
+
+static struct matrix_keypad_platform_data sdp4430_keypad_data = {
+ .keymap_data = &sdp4430_keymap_data,
+ .num_row_gpios = 8,
+ .num_col_gpios = 8,
+ .device_enable = omap_device_enable,
+ .device_shutdown = omap_device_shutdown,
+ .device_idle = omap_device_idle,
+};
+
+static struct platform_device sdp4430_keypad_device = {
+ .name = "omap4-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &sdp4430_keypad_data,
+ },
+};
+
+struct omap_device_pm_latency omap_keyboard_latency[] = {
+ {
+ .deactivate_func = omap_device_idle_hwmods,
+ .activate_func = omap_device_enable_hwmods,
+ .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+ },
+};
+
+struct omap_device *od;
+
+static int __init sdp4430_keypad_init(void)
+{
+ struct omap_hwmod *oh;
+ struct matrix_keypad_platform_data *pdata;
+
+ unsigned int length = 0, id = 0;
+ int hw_mod_name_len = 16;
+ char oh_name[hw_mod_name_len];
+ char *name = "omap4-keypad";
+
+ length = snprintf(oh_name, hw_mod_name_len, "keyboard");
+
+ oh = omap_hwmod_lookup(oh_name);
+ if (!oh) {
+ pr_err("Could not look up %s\n", oh_name);
+ return -EIO;
+ }
+
+ pdata = kzalloc(sizeof(struct matrix_keypad_platform_data), GFP_KERNEL);
+ if (!pdata) {
+ WARN(1, "Keyboard pdata memory allocation failed\n");
+ return -ENOMEM;
+ }
+
+ pdata = &sdp4430_keypad_data;
+
+ pdata->base = oh->_rt_va;
+ pdata->irq = oh->mpu_irqs[0].irq;
+ pdata->device_enable = omap_device_enable;
+ pdata->device_idle = omap_device_idle;
+ pdata->device_shutdown = omap_device_shutdown;
+
+ od = omap_device_build(name, id, oh, pdata,
+ sizeof(struct matrix_keypad_platform_data),
+ omap_keyboard_latency,
+ ARRAY_SIZE(omap_keyboard_latency), 1);
+ WARN(IS_ERR(od), "Could not build omap_device for %s %s\n",
+ name, oh_name);
+
+ return 0;
+}
+
static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
{
.modalias = "ks8851",
@@ -108,6 +260,7 @@ static struct platform_device sdp4430_lcd_device = {
static struct platform_device *sdp4430_devices[] __initdata = {
&sdp4430_lcd_device,
+ &sdp4430_keypad_device,
};
static struct omap_lcd_config sdp4430_lcd_config __initdata = {
@@ -140,6 +293,10 @@ static void __init omap_4430sdp_init(void)
{
int status;
+ status = sdp4430_keypad_init();
+ if (status)
+ pr_err("Keypad initialization failed: %d\n", status);
+
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
/* OMAP4 SDP uses internal transceiver so register nop transceiver */
--
1.5.4.3
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