MX2X: Add Keypad device definition for MX2X arch

Based on work from Alberto Panizzo for MX3X
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx2/devices.c

@@ -501,3 +501,21 @@ struct platform_device mx21_usbhc_device = {
 };
 #endif
 
+static struct resource imx_kpp_resources[] = {
+	{
+		.start  = MX2x_KPP_BASE_ADDR,
+		.end    = MX2x_KPP_BASE_ADDR + 0xf,
+		.flags  = IORESOURCE_MEM
+	}, {
+		.start  = MX2x_INT_KPP,
+		.end    = MX2x_INT_KPP,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device imx_kpp_device = {
+	.name = "imx-keypad",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(imx_kpp_resources),
+	.resource = imx_kpp_resources,
+};

arch/arm/mach-mx2/devices.h

@@ -40,3 +40,4 @@ extern struct platform_device mxc_spi_device2;
 extern struct platform_device mx21_usbhc_device;
 extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
+extern struct platform_device imx_kpp_device;