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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
commitbb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241 (patch)
treefd67625ba9758dceff28dfca39127d7f07dae981 /arch/arm/mach-at91/leds.c
parentlibata: Change "write_data" to "rw" for some function documentations (diff)
parentMerge branch 'pxa-plat' into devel (diff)
downloadlinux-dev-bb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241.tar.xz
linux-dev-bb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241.zip
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (176 commits) [ARM] 4795/1: S3C244X: Add armclk and setparent call [ARM] 4794/1: S3C24XX: Comonise S3C2440 and S3C2442 clock code [ARM] 4793/1: S3C24XX: Add IRQ->GPIO pin mapping function [ARM] 4792/1: S3C24XX: Remove warnings from debug-macro.S [ARM] 4791/1: S3C2412: Make fclk a parent of msysclk [ARM] 4790/1: S3C2412: Fix parent selection for msysclk. [ARM] 4789/1: S3C2412: Add missing CLKDIVN register values [ARM] 4788/1: S3C24XX: Fix paramet to s3c2410_dma_ctrl if S3C2410_DMAF_AUTOSTART used. [ARM] 4787/1: S3C24XX: s3c2410_dma_request() should return the allocated channel number [ARM] 4786/1: S3C2412: Add SPI FIFO controll constants [ARM] 4785/1: S3C24XX: Add _SHIFT definitions for S3C2410_BANKCON registers [ARM] 4784/1: S3C24XX: Fix GPIO restore glitches [ARM] 4783/1: S3C24XX: Add s3c2410_gpio_getpull() [ARM] 4782/1: S3C24XX: Define FIQ_START for any FIQ users [ARM] 4781/1: S3C24XX: DMA suspend and resume support [ARM] 4780/1: S3C2412: Allow for seperate DMA channels for TX and RX [ARM] 4779/1: S3C2412: Add s3c2412_gpio_set_sleepcfg() call [ARM] 4778/1: S3C2412: Add armclk and init from DVS state [ARM] 4777/1: S3C24XX: Ensure clk_set_rate() checks the set_rate method for the clk [ARM] 4775/1: s3c2410: fix compilation error if only s3c2442 cpu is selected ...
Diffstat (limited to 'arch/arm/mach-at91/leds.c')
-rw-r--r--arch/arm/mach-at91/leds.c68
1 files changed, 67 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c
index 0d5144973988..9cdcda500fe8 100644
--- a/arch/arm/mach-at91/leds.c
+++ b/arch/arm/mach-at91/leds.c
@@ -14,11 +14,62 @@
#include <linux/init.h>
#include <asm/mach-types.h>
-#include <asm/leds.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
+/* ------------------------------------------------------------------------- */
+
+#if defined(CONFIG_NEW_LEDS)
+
+#include <linux/platform_device.h>
+
+/*
+ * New cross-platform LED support.
+ */
+
+static struct gpio_led_platform_data led_data;
+
+static struct platform_device at91_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &led_data,
+};
+
+void __init at91_gpio_leds(struct gpio_led *leds, int nr)
+{
+ int i;
+
+ if (!nr)
+ return;
+
+ for (i = 0; i < nr; i++)
+ at91_set_gpio_output(leds[i].gpio, leds[i].active_low);
+
+ led_data.leds = leds;
+ led_data.num_leds = nr;
+ platform_device_register(&at91_leds);
+}
+
+#else
+void __init at91_gpio_leds(struct gpio_led *leds, int nr) {}
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+
+#if defined(CONFIG_LEDS)
+
+#include <asm/leds.h>
+
+/*
+ * Old ARM-specific LED framework; not fully functional when generic time is
+ * in use.
+ */
+
+static u8 at91_leds_cpu;
+static u8 at91_leds_timer;
+
static inline void at91_led_on(unsigned int led)
{
at91_set_gpio_value(led, 0);
@@ -93,3 +144,18 @@ static int __init leds_init(void)
}
__initcall(leds_init);
+
+
+void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+{
+ /* Enable GPIO to access the LEDs */
+ at91_set_gpio_output(cpu_led, 1);
+ at91_set_gpio_output(timer_led, 1);
+
+ at91_leds_cpu = cpu_led;
+ at91_leds_timer = timer_led;
+}
+
+#else
+void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+#endif