From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 2/4] at91sam9m10g45ek: add gpio keys support
Date: Sat, 7 Apr 2012 05:14:59 +0200 [thread overview]
Message-ID: <1333768501-25204-2-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <20120407031228.GF16306@game.jcrosoft.org>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
arch/arm/boards/at91sam9m10g45ek/init.c | 51 +++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boards/at91sam9m10g45ek/init.c b/arch/arm/boards/at91sam9m10g45ek/init.c
index 6011bad..c4b1a97 100644
--- a/arch/arm/boards/at91sam9m10g45ek/init.c
+++ b/arch/arm/boards/at91sam9m10g45ek/init.c
@@ -41,6 +41,8 @@
#include <mach/io.h>
#include <mach/at91sam9_smc.h>
#include <mach/sam9_smc.h>
+#include <gpio_keys.h>
+#include <readkey.h>
/*
* board revision encoding
@@ -164,6 +166,54 @@ static void ek_device_add_leds(void)
static void ek_device_add_leds(void) {}
#endif
+#ifdef CONFIG_KEYBOARD_GPIO
+struct gpio_keys_button keys[] = {
+ {
+ .code = KEY_HOME,
+ .gpio = AT91_PIN_PB6,
+ }, {
+ .code = KEY_RETURN,
+ .gpio = AT91_PIN_PB7,
+ }, {
+ .code = KEY_LEFT,
+ .gpio = AT91_PIN_PB14,
+ }, {
+ .code = KEY_RIGHT,
+ .gpio = AT91_PIN_PB15,
+ }, {
+ .code = KEY_UP,
+ .gpio = AT91_PIN_PB16,
+ }, {
+ .code = KEY_DOWN,
+ .gpio = AT91_PIN_PB17,
+ }, {
+ .code = KEY_RETURN,
+ .gpio = AT91_PIN_PB18,
+ },
+};
+
+struct gpio_keys_platform_data gk_pdata = {
+ .buttons = keys,
+ .nbuttons = ARRAY_SIZE(keys),
+};
+
+static void ek_device_add_keyboard(void)
+{
+ int i;
+
+ for (i = 0; i < gk_pdata.nbuttons; i++) {
+ /* user push button, pull up enabled */
+ keys[i].active_low = 1;
+ at91_set_GPIO_periph(keys[i].gpio, keys[i].active_low);
+ at91_set_deglitch(keys[i].gpio, 1);
+ }
+
+ add_gpio_keys_device(-1, &gk_pdata);
+}
+#else
+static void ek_device_add_keyboard(void) {}
+#endif
+
static int at91sam9m10g45ek_mem_init(void)
{
at91_add_device_sdram(128 * 1024 * 1024);
@@ -178,6 +228,7 @@ static int at91sam9m10g45ek_devices_init(void)
at91_add_device_eth(0, &macb_pdata);
ek_add_device_mci();
ek_device_add_leds();
+ ek_device_add_keyboard();
devfs_add_partition("nand0", 0x00000, SZ_128K, PARTITION_FIXED, "at91bootstrap_raw");
dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
--
1.7.9.1
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next prev parent reply other threads:[~2012-04-07 3:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-07 3:12 [PATCH 0/4] at91 boot menu support Jean-Christophe PLAGNIOL-VILLARD
2012-04-07 3:14 ` [PATCH 1/4] defaultenv: add support for custom board boot Jean-Christophe PLAGNIOL-VILLARD
2012-04-07 3:14 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-04-07 3:15 ` [PATCH 3/4] at91sam9m10g45ek: enable kernel console over framebuffer Jean-Christophe PLAGNIOL-VILLARD
2012-04-07 3:15 ` [PATCH 4/4] at91sam9m10g45ek: add boot menu support Jean-Christophe PLAGNIOL-VILLARD
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