add initial generic gpio-leds support

SVN-Revision: 8918

diff --git a/target/linux/ar7/files/arch/mips/ar7/platform.c b/target/linux/ar7/files/arch/mips/ar7/platform.c
index 980739f90aeba1031cd01c2b1981d34e98f322fe..1671be1ba0452c55237a08bcb72ffebce64ee2c3 100644 (file)
--- a/target/linux/ar7/files/arch/mips/ar7/platform.c
+++ b/target/linux/ar7/files/arch/mips/ar7/platform.c
@@ -28,6 +28,10 @@
 #include <linux/serial_8250.h>
 #include <linux/ioport.h>
 #include <linux/io.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+#include <linux/leds.h>
+#endif
 
 #include <asm/addrspace.h>
 #include <asm/ar7/ar7.h>
@@ -295,6 +299,38 @@ static struct platform_device uart = {
 };
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+static struct gpio_led default_leds[] = {
+       { .name = "status", .gpio = 8, .active_low = 1, },
+};
+
+static struct gpio_led fb_leds[] = {
+       { .name = "1", .gpio = 7, },
+       { .name = "2", .gpio = 13, .active_low = 1, },
+       { .name = "3", .gpio = 10, .active_low = 1, },
+       { .name = "4", .gpio = 12, .active_low = 1, },
+       { .name = "5", .gpio = 9, .active_low = 1, },
+};
+
+static struct gpio_led fb_fon_leds[] = {
+       { .name = "1", .gpio = 8, },
+       { .name = "2", .gpio = 3, .active_low = 1, },
+       { .name = "3", .gpio = 5, },
+       { .name = "4", .gpio = 4, .active_low = 1, },
+       { .name = "5", .gpio = 11, .active_low = 1, },
+};
+
+static struct gpio_led_platform_data ar7_led_data;
+
+static struct platform_device ar7_gpio_leds = {
+       .name = "leds-gpio",
+       .id = -1,
+       .dev = {
+               .platform_data = &ar7_led_data,
+       }
+};
+#endif
+
 static inline unsigned char char2hex(char h)
 {
        switch (h) {
@@ -409,7 +445,15 @@ static int __init ar7_register_devices(void)
 
        cpmac_get_mac(0, cpmac_low_data.dev_addr);
        res = platform_device_register(&cpmac_low);
+       if (res)
+               return res;
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+#warning FIXME: add model detection
+       ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
+       ar7_led_data.leds = default_leds;
+       res = platform_device_register(&ar7_gpio_leds);
+#endif
        return res;
 }