bcm47xx: Register a GPIODEV platform device to allow GPIO access via /dev/gpio

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10623 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 17 insertions, 0 deletions

diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c
index 5856d8fc6..41d7b0b75 100644
--- a/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c
+++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c
@@ -226,4 +226,21 @@ void __init plat_mem_setup(void)
 	board_time_init = bcm47xx_time_init;
 }
 
+static int __init bcm47xx_register_gpiodev(void)
+{
+	static struct resource res = {
+		.start = 0xFFFFFFFF,
+	};
+	struct platform_device *pdev;
+
+	pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
+	if (!pdev) {
+		printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+device_initcall(bcm47xx_register_gpiodev);
+
 EXPORT_SYMBOL(ssb);