MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
new file mode 100644
index 0000000..76a0b72
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -0,0 +1,22 @@
+#ifndef BCM63XX_GPIO_H
+#define BCM63XX_GPIO_H
+
+#include <linux/init.h>
+
+int __init bcm63xx_gpio_init(void);
+
+static inline unsigned long bcm63xx_gpio_count(void)
+{
+	switch (bcm63xx_get_cpu_id()) {
+	case BCM6358_CPU_ID:
+		return 40;
+	case BCM6348_CPU_ID:
+	default:
+		return 37;
+	}
+}
+
+#define GPIO_DIR_OUT	0x0
+#define GPIO_DIR_IN	0x1
+
+#endif /* !BCM63XX_GPIO_H */