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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2010-02-23 07:07:01 (GMT)
committerPaul Mundt <lethal@linux-sh.org>2010-02-25 07:58:34 (GMT)
commit17ccb834d517c66c09123c24ba8553c5b14e0f78 (patch)
tree7f8e208c220dfb75c021b4af8febe7d05660cbaf /arch/arm/mach-shmobile
parent41dcc17c735d4e99a91002b09850d0f09ee4ab4b (diff)
downloadlinux-fsl-qoriq-17ccb834d517c66c09123c24ba8553c5b14e0f78.tar.xz
ARM: mach-shmobile: ap4evb: Add KEYSC support
Because AP4 board has capacitor for KEYSC, we need much time for waiting. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index d9a46d0..a0463d9 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -29,6 +29,8 @@
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
#include <mach/common.h>
#include <mach/sh7372.h>
#include <asm/mach-types.h>
@@ -77,6 +79,15 @@
* OFF access enable
*/
+/*
+ * KEYSC
+ *
+ * SW43 KEYSC
+ * -------------------------
+ * ON enable
+ * OFF disable
+ */
+
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
{
@@ -158,9 +169,47 @@ static struct platform_device smc911x_device = {
},
};
+/* KEYSC (Needs SW43 set to ON) */
+static struct sh_keysc_info keysc_info = {
+ .mode = SH_KEYSC_MODE_1,
+ .scan_timing = 3,
+ .delay = 2500,
+ .keycodes = {
+ KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
+ KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
+ KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
+ KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
+ KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
+ },
+};
+
+static struct resource keysc_resources[] = {
+ [0] = {
+ .name = "KEYSC",
+ .start = 0xe61b0000,
+ .end = 0xe61b0063,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 79,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device keysc_device = {
+ .name = "sh_keysc",
+ .id = 0, /* "keysc0" clock */
+ .num_resources = ARRAY_SIZE(keysc_resources),
+ .resource = keysc_resources,
+ .dev = {
+ .platform_data = &keysc_info,
+ },
+};
+
static struct platform_device *ap4evb_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
+ &keysc_device,
};
static struct map_desc ap4evb_io_desc[] __initdata = {
@@ -225,6 +274,18 @@ static void __init ap4evb_init(void)
gpio_export(GPIO_PORT34, 0);
gpio_export(GPIO_PORT35, 0);
+ /* enable KEYSC */
+ gpio_request(GPIO_FN_KEYOUT0, NULL);
+ gpio_request(GPIO_FN_KEYOUT1, NULL);
+ gpio_request(GPIO_FN_KEYOUT2, NULL);
+ gpio_request(GPIO_FN_KEYOUT3, NULL);
+ gpio_request(GPIO_FN_KEYOUT4, NULL);
+ gpio_request(GPIO_FN_KEYIN0_136, NULL);
+ gpio_request(GPIO_FN_KEYIN1_135, NULL);
+ gpio_request(GPIO_FN_KEYIN2_134, NULL);
+ gpio_request(GPIO_FN_KEYIN3_133, NULL);
+ gpio_request(GPIO_FN_KEYIN4, NULL);
+
sh7372_add_standard_devices();
platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));