ARM: imx: Add core definitions for MX53

Add iomux, clocks,  and memory map for Freescale's MX53 SoC.
Add cpu_is_mx53 function to common.h.
Add 3 more banks of gpio's to mxc_gpio_ports.
Add MX53 phys offset address.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 4c7be87..d926203 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -160,9 +160,36 @@
 		.irq_high = MX51_MXC_INT_GPIO4_HIGH,
 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
 	},
+	{
+		.chip.label = "gpio-4",
+		.base = MX53_IO_ADDRESS(MX53_GPIO5_BASE_ADDR),
+		.irq = MX53_INT_GPIO5_LOW,
+		.irq_high = MX53_INT_GPIO5_HIGH,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 4
+	},
+	{
+		.chip.label = "gpio-5",
+		.base = MX53_IO_ADDRESS(MX53_GPIO6_BASE_ADDR),
+		.irq = MX53_INT_GPIO6_LOW,
+		.irq_high = MX53_INT_GPIO6_HIGH,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 5
+	},
+	{
+		.chip.label = "gpio-6",
+		.base = MX53_IO_ADDRESS(MX53_GPIO7_BASE_ADDR),
+		.irq = MX53_INT_GPIO7_LOW,
+		.irq_high = MX53_INT_GPIO7_HIGH,
+		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 6
+	},
 };
 
 int __init imx51_register_gpios(void)
 {
+	return mxc_gpio_init(mxc_gpio_ports, 4);
+}
+
+int __init imx53_register_gpios(void)
+{
 	return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
 }
+