davinci: add tnetv107x keypad platform device

This patch adds a platform device definition for tnetv107x's keypad
controller.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c
index 2718a3a90dff..086269fc2ee5 100644
--- a/arch/arm/mach-davinci/devices-tnetv107x.c
+++ b/arch/arm/mach-davinci/devices-tnetv107x.c
@@ -33,6 +33,7 @@
 #define TNETV107X_WDOG_BASE                     0x08086700
 #define TNETV107X_SDIO0_BASE                    0x08088700
 #define TNETV107X_SDIO1_BASE                    0x08088800
+#define TNETV107X_KEYPAD_BASE                   0x08088a00
 #define TNETV107X_ASYNC_EMIF_CNTRL_BASE         0x08200000
 #define TNETV107X_ASYNC_EMIF_DATA_CE0_BASE      0x30000000
 #define TNETV107X_ASYNC_EMIF_DATA_CE1_BASE      0x40000000
@@ -298,6 +299,30 @@ static int __init nand_init(int chipsel, struct davinci_nand_pdata *data)
         return platform_device_register(pdev);
 }
 
+static struct resource keypad_resources[] = {
+        {
+                .start  = TNETV107X_KEYPAD_BASE,
+                .end    = TNETV107X_KEYPAD_BASE + 0xff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_TNETV107X_KEYPAD,
+                .flags  = IORESOURCE_IRQ,
+                .name   = "press",
+        },
+        {
+                .start  = IRQ_TNETV107X_KEYPAD_FREE,
+                .flags  = IORESOURCE_IRQ,
+                .name   = "release",
+        },
+};
+
+static struct platform_device keypad_device = {
+        .name           = "tnetv107x-keypad",
+        .num_resources  = ARRAY_SIZE(keypad_resources),
+        .resource       = keypad_resources,
+};
+
 void __init tnetv107x_devices_init(struct tnetv107x_device_info *info)
 {
         int i;
@@ -317,4 +342,9 @@ void __init tnetv107x_devices_init(struct tnetv107x_device_info *info)
         for (i = 0; i < 4; i++)
                 if (info->nand_config[i])
                         nand_init(i, info->nand_config[i]);
+
+        if (info->keypad_config) {
+                keypad_device.dev.platform_data = info->keypad_config;
+                platform_device_register(&keypad_device);
+        }
 }
diff --git a/arch/arm/mach-davinci/include/mach/tnetv107x.h b/arch/arm/mach-davinci/include/mach/tnetv107x.h
index c72064733123..5a681d880dcb 100644
--- a/arch/arm/mach-davinci/include/mach/tnetv107x.h
+++ b/arch/arm/mach-davinci/include/mach/tnetv107x.h
@@ -33,6 +33,8 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/serial_8250.h>
+#include <linux/input/matrix_keypad.h>
+
 #include <mach/mmc.h>
 #include <mach/nand.h>
 #include <mach/serial.h>
@@ -41,6 +43,7 @@ struct tnetv107x_device_info {
         struct davinci_uart_config      *serial_config;
         struct davinci_mmc_config       *mmc_config[2];  /* 2 controllers */
         struct davinci_nand_pdata       *nand_config[4]; /* 4 chipsels */
+        struct matrix_keypad_platform_data *keypad_config;
 };
 
 extern struct platform_device tnetv107x_wdt_device;