[ARM] 4758/1: [AT91] LEDs
Move the LED initialization code out of the various *_devices.c files,
and into leds.c.
Also add support for NEW_LEDs.
Patch from David Brownell.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index a8a009c..529ffb5 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -45,7 +45,7 @@
obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o
# Drivers
-obj-$(CONFIG_LEDS) += leds.o
+obj-y += leds.o
# Power Management
obj-$(CONFIG_PM) += pm.o
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 2396622..ea9a952 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -614,28 +614,6 @@
/* --------------------------------------------------------------------
- * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 5dd06bd..105f840 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -585,28 +585,6 @@
/* --------------------------------------------------------------------
- * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 467a643..57d7e3b 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -597,28 +597,6 @@
/* --------------------------------------------------------------------
- * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index a9f35d0..0b12e1a 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -844,28 +844,6 @@
/* --------------------------------------------------------------------
- * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index a942b9e..f43b5c3 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -450,28 +450,6 @@
/* --------------------------------------------------------------------
- * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c
index 0d51449..9cdcda5 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 @@
}
__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
diff --git a/include/asm-arm/arch-at91/board.h b/include/asm-arm/arch-at91/board.h
index 3f41ab2..e88ad86 100644
--- a/include/asm-arm/arch-at91/board.h
+++ b/include/asm-arm/arch-at91/board.h
@@ -34,6 +34,7 @@
#include <linux/mtd/partitions.h>
#include <linux/device.h>
#include <linux/i2c.h>
+#include <linux/leds.h>
#include <linux/spi/spi.h>
/* USB Device */
@@ -157,9 +158,8 @@
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);
+extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);