1 files changed, 66 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/apollo3g-gpio.c b/arch/powerpc/platforms/44x/apollo3g-gpio.c
new file mode 100644
index 00000000000..2601020dd92
--- /dev/null
+++ b/arch/powerpc/platforms/44x/apollo3g-gpio.c
@@ -0,0 +1,66 @@
+/*
+ * (c) Copyright 2010 Western Digital Technologies, Inc.  All Rights Reserved.
+ *
+ * /sys drivers for GPIO pins
+ */
+
+#include <linux/platform_device.h>
+#include <linux/of_platform.h>
+
+
+/*
+ * resource data should be in dts file, but, for now ...
+ */
+static struct resource apollo3g_gpio1_resources[] = {
+	[0] = {
+		.start	= 0xe0000000,
+		.end	= 0xe0000003,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device apollo3g_gpio1_device = {
+        .name = "apollo3g_gpio1",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(apollo3g_gpio1_resources),
+        .resource = apollo3g_gpio1_resources,
+};
+
+static struct resource apollo3g_gpio2_resources[] = {
+	[0] = {
+		.start	= 0xe1000000,
+		.end	= 0xe1000003,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device apollo3g_gpio2_device = {
+        .name = "apollo3g_gpio2",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(apollo3g_gpio2_resources),
+        .resource = apollo3g_gpio2_resources,
+};
+
+static struct platform_device *apollo3g_devs[] __initdata = {
+        &apollo3g_gpio1_device,
+        &apollo3g_gpio2_device,
+};
+
+static const struct of_device_id apollo3g_gpio_match[] = {
+	{ .compatible = "amcc,apollo3g", },
+	{}
+};
+
+static struct of_platform_driver apollo3g_gpio_driver = {
+	.name = "apollo3g-gpio",
+};
+
+static int __init apollo3g_gpio_init(void)
+{
+	printk(KERN_INFO "%s: GPIO 1 @ 0x%llx; GPIO 2 @ 0x%llx\n",
+	       __FUNCTION__, apollo3g_gpio1_device.resource[0].start,
+	       apollo3g_gpio2_device.resource[0].start);
+
+	return of_register_platform_driver(&apollo3g_gpio_driver);
+}
+device_initcall(apollo3g_gpio_init);