sh: Add KEYSC support for EcoVec24

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 4d6d5884c67f..b89e47920b52 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -18,10 +18,12 @@
 #include <linux/delay.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/i2c.h>
+#include <linux/input.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <asm/heartbeat.h>
 #include <asm/sh_eth.h>
+#include <asm/sh_keysc.h>
 #include <cpu/sh7724.h>
 
 /*
@@ -332,6 +334,46 @@ static struct i2c_board_info i2c1_devices[] = {
         },
 };
 
+/* KEYSC */
+static struct sh_keysc_info keysc_info = {
+        .mode           = SH_KEYSC_MODE_1,
+        .scan_timing    = 3,
+        .delay          = 50,
+        .kycr2_delay    = 100,
+        .keycodes       = { KEY_1, 0, 0, 0, 0,
+                            KEY_2, 0, 0, 0, 0,
+                            KEY_3, 0, 0, 0, 0,
+                            KEY_4, 0, 0, 0, 0,
+                            KEY_5, 0, 0, 0, 0,
+                            KEY_6, 0, 0, 0, 0, },
+};
+
+static struct resource keysc_resources[] = {
+        [0] = {
+                .name   = "KEYSC",
+                .start  = 0x044b0000,
+                .end    = 0x044b000f,
+                .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,
+        },
+        .archdata = {
+                .hwblk_id = HWBLK_KEYSC,
+        },
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
         &heartbeat_device,
         &nor_flash_device,
@@ -341,6 +383,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &lcdc_device,
         &ceu0_device,
         &ceu1_device,
+        &keysc_device,
 };
 
 #define EEPROM_ADDR 0x50
@@ -584,6 +627,15 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_VIO1_CLK, NULL);
         platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
 
+        /* enable KEYSC */
+        gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+        gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
+        gpio_request(GPIO_FN_KEYOUT3,     NULL);
+        gpio_request(GPIO_FN_KEYOUT2,     NULL);
+        gpio_request(GPIO_FN_KEYOUT1,     NULL);
+        gpio_request(GPIO_FN_KEYOUT0,     NULL);
+        gpio_request(GPIO_FN_KEYIN0,      NULL);
+
         /* enable I2C device */
         i2c_register_board_info(1, i2c1_devices,
                                 ARRAY_SIZE(i2c1_devices));