diff options
Diffstat (limited to 'target/linux/at91/patches-2.6.25/002-led-driver.patch')
| -rw-r--r-- | target/linux/at91/patches-2.6.25/002-led-driver.patch | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/target/linux/at91/patches-2.6.25/002-led-driver.patch b/target/linux/at91/patches-2.6.25/002-led-driver.patch deleted file mode 100644 index 595720d..0000000 --- a/target/linux/at91/patches-2.6.25/002-led-driver.patch +++ /dev/null @@ -1,167 +0,0 @@ ---- a/arch/arm/mach-at91/at91rm9200_devices.c -+++ b/arch/arm/mach-at91/at91rm9200_devices.c -@@ -717,6 +717,26 @@ static void __init at91_add_device_watch - static void __init at91_add_device_watchdog(void) {} - #endif - -+/* -------------------------------------------------------------------- -+ * LEDs -+ * -------------------------------------------------------------------- */ -+ -+#if defined(CONFIG_LEDS) -+u8 at91_leds_cpu; -+u8 at91_leds_timer; -+ -+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 - - /* -------------------------------------------------------------------- - * SSC -- Synchronous Serial Controller ---- a/arch/arm/mach-at91/Makefile -+++ b/arch/arm/mach-at91/Makefile -@@ -60,7 +60,12 @@ obj-$(CONFIG_MACH_AT91CAP9ADK) += board- - obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o - - # Drivers --obj-y += leds.o -+ifeq ($(CONFIG_MACH_VLINK),y) -+led-$(CONFIG_MACH_VLINK) += vlink_leds.o -+else -+led-y += leds.o -+endif -+obj-y += $(led-y) - obj-$(CONFIG_FB_S1D13XXX) += ics1523.o - - # Power Management ---- /dev/null -+++ b/arch/arm/mach-at91/vlink_leds.c -@@ -0,0 +1,105 @@ -+/* -+ * LED driver for Atmel AT91-based boards. -+ * -+ * Copyright (C) SAN People (Pty) Ltd -+ * Modified for FDL VersaLink Copyright (C) Guthrie Consulting -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * as published by the Free Software Foundation; either version -+ * 2 of the License, or (at your option) any later version. -+*/ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/init.h> -+ -+#include <asm/mach-types.h> -+#include <asm/leds.h> -+#include <asm/arch/board.h> -+#include <asm/arch/gpio.h> -+ -+ -+static inline void at91_led_on(unsigned int led) -+{ -+ at91_set_gpio_value(led, 0); -+} -+ -+static inline void at91_led_off(unsigned int led) -+{ -+ at91_set_gpio_value(led, 1); -+} -+ -+static inline void at91_led_toggle(unsigned int led) -+{ -+ unsigned long is_off = at91_get_gpio_value(led); -+ if (is_off) { -+ at91_led_on(led); -+ at91_led_off(at91_leds_cpu); -+ } -+ else { -+ at91_led_on(at91_leds_cpu); -+ at91_led_off(led); -+ } -+} -+ -+ -+/* -+ * Handle LED events. -+ */ -+ -+/* -+ * VersaLink has a single bi-coloured LED which changes colour when the -+ * polarity is reversed -+ */ -+static void at91_leds_event(led_event_t evt) -+{ -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ -+ switch(evt) { -+ case led_start: /* System startup */ -+ at91_led_toggle(at91_leds_timer); -+ break; -+ -+ case led_stop: /* System stop / suspend */ -+ at91_led_toggle(at91_leds_timer); -+ break; -+ -+#ifdef CONFIG_LEDS_TIMER -+ case led_timer: /* Every 50 timer ticks */ -+ at91_led_toggle(at91_leds_timer); -+ break; -+#endif -+ -+#ifdef CONFIG_LEDS_CPU -+ case led_idle_start: /* Entering idle state */ -+ at91_led_toggle(at91_leds_timer); -+ break; -+ -+ case led_idle_end: /* Exit idle state */ -+ at91_led_toggle(at91_leds_timer); -+ break; -+#endif -+ -+ default: -+ break; -+ } -+ -+ local_irq_restore(flags); -+} -+ -+ -+static int __init leds_init(void) -+{ -+ if (!at91_leds_timer || !at91_leds_cpu) -+ return -ENODEV; -+ -+ leds_event = at91_leds_event; -+ -+ leds_event(led_start); -+ return 0; -+} -+ -+__initcall(leds_init); ---- a/include/asm-arm/arch-at91/board.h -+++ b/include/asm-arm/arch-at91/board.h -@@ -162,6 +162,11 @@ extern void __init at91_add_device_ac97( - /* ISI */ - extern void __init at91_add_device_isi(void); - -+ /* LEDs */ -+extern u8 at91_leds_cpu; -+extern u8 at91_leds_timer; -+extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); -+ - /* Touchscreen Controller */ - extern void __init at91_add_device_tsadcc(void); - |