sh: kfr2r09 board support - KEYSC keypad

This patch adds KEYSC keypad support to the kfr2r09 board.

The keys driven by the sh7724 on-chip KEYSC block are
described as a platform device and platform data for
the sh_keysc driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 382bf1884300..bf5f8f8d3b5f 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -14,9 +14,11 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/input.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
+#include <asm/sh_keysc.h>
 #include <cpu/sh7724.h>
 
 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
@@ -58,8 +60,46 @@ static struct platform_device kfr2r09_nor_flash_device = {
         },
 };
 
+static struct sh_keysc_info kfr2r09_sh_keysc_info = {
+        .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
+        .scan_timing = 3,
+        .delay = 10,
+        .keycodes = {
+                KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
+                KEY_1, KEY_2, KEY_3, 0, KEY_UP,
+                KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
+                KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
+                KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
+                0, 0, 0, 0, 0
+        },
+};
+
+static struct resource kfr2r09_sh_keysc_resources[] = {
+        [0] = {
+                .name   = "KEYSC",
+                .start  = 0x044b0000,
+                .end    = 0x044b000f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 79,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device kfr2r09_sh_keysc_device = {
+        .name           = "sh_keysc",
+        .id             = 0, /* "keysc0" clock */
+        .num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
+        .resource       = kfr2r09_sh_keysc_resources,
+        .dev    = {
+                .platform_data  = &kfr2r09_sh_keysc_info,
+        },
+};
+
 static struct platform_device *kfr2r09_devices[] __initdata = {
         &kfr2r09_nor_flash_device,
+        &kfr2r09_sh_keysc_device,
 };
 
 #define BSC_CS0BCR 0xfec10004
@@ -75,6 +115,19 @@ static int __init kfr2r09_devices_setup(void)
         ctrl_outl(0x36db0400, BSC_CS0BCR);
         ctrl_outl(0x00000500, BSC_CS0WCR);
 
+        /* setup KEYSC pins */
+        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_IN6, NULL);
+        gpio_request(GPIO_FN_KEYIN0, NULL);
+        gpio_request(GPIO_FN_KEYIN1, NULL);
+        gpio_request(GPIO_FN_KEYIN2, NULL);
+        gpio_request(GPIO_FN_KEYIN3, NULL);
+        gpio_request(GPIO_FN_KEYIN4, NULL);
+        gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+
         return platform_add_devices(kfr2r09_devices,
                                     ARRAY_SIZE(kfr2r09_devices));
 }