diff mbox

[03/07] ARM: mach-shmobile: Kota2 GPIO Keys support

Message ID 20110818054425.23410.51390.sendpatchset@rxone.opensource.se (mailing list archive)
State Accepted
Commit 6b7c0ea21226972e08ebb71e134fbebdf7459d1a
Headers show

Commit Message

Magnus Damm Aug. 18, 2011, 5:44 a.m. UTC 
From: Magnus Damm <damm@opensource.se>

This patch ties in GPIO Keys support on the Kota2
board. For now the keys are used in polling mode,
but after extending the sh73a0 PFC with IRQ support
we should be able to switch to the IRQ driven driver.

Signed-off-by: Magnus Damm <damm@opensource.se>
---

 arch/arm/mach-shmobile/board-kota2.c |   32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

--
To unsubscribe from this list: send the line "unsubscribe linux-sh" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

--- 0006/arch/arm/mach-shmobile/board-kota2.c
+++ work/arch/arm/mach-shmobile/board-kota2.c	2011-08-17 22:37:04.000000000 +0900
@@ -31,6 +31,7 @@ 
 #include <linux/gpio.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
+#include <linux/gpio_keys.h>
 #include <mach/hardware.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -114,9 +115,40 @@  static struct platform_device keysc_devi
 	},
 };
 
+#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
+
+static struct gpio_keys_button gpio_buttons[] = {
+	GPIO_KEY(KEY_VOLUMEUP, GPIO_PORT56, "+"), /* S2: VOL+ [IRQ9] */
+	GPIO_KEY(KEY_VOLUMEDOWN, GPIO_PORT54, "-"), /* S3: VOL- [IRQ10] */
+	GPIO_KEY(KEY_MENU, GPIO_PORT27, "Menu"), /* S4: MENU [IRQ30] */
+	GPIO_KEY(KEY_HOMEPAGE, GPIO_PORT26, "Home"), /* S5: HOME [IRQ31] */
+	GPIO_KEY(KEY_BACK, GPIO_PORT11, "Back"), /* S6: BACK [IRQ0] */
+	GPIO_KEY(KEY_PHONE, GPIO_PORT238, "Tel"), /* S7: TEL [IRQ11] */
+	GPIO_KEY(KEY_POWER, GPIO_PORT239, "C1"), /* S8: CAM [IRQ13] */
+	GPIO_KEY(KEY_MAIL, GPIO_PORT224, "Mail"), /* S9: MAIL [IRQ3] */
+	/* Omitted button "C3?": GPIO_PORT223 - S10: CUST [IRQ8] */
+	GPIO_KEY(KEY_CAMERA, GPIO_PORT164, "C2"), /* S11: CAM_HALF [IRQ25] */
+	/* Omitted button "?": GPIO_PORT152 - S12: CAM_FULL [No IRQ] */
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+	.buttons        = gpio_buttons,
+	.nbuttons       = ARRAY_SIZE(gpio_buttons),
+	.poll_interval  = 250, /* polled for now */
+};
+
+static struct platform_device gpio_keys_device = {
+	.name   = "gpio-keys-polled", /* polled for now */
+	.id     = -1,
+	.dev    = {
+		.platform_data  = &gpio_key_info,
+	},
+};
+
 static struct platform_device *kota2_devices[] __initdata = {
 	&eth_device,
 	&keysc_device,
+	&gpio_keys_device,
 };
 
 static struct map_desc kota2_io_desc[] __initdata = {