ARM: 7026/1: simpad: replace ARM specific LED code

Remove the legacy ARM LED code for simpad devices and
register a stadard LED platform device using GPIO line
instead.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

5 files changed, 28 insertions, 101 deletions

diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index 41252d22e659..00631787e80a 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -45,7 +45,6 @@ obj-$(CONFIG_SA1100_PLEB)		+= pleb.o
 obj-$(CONFIG_SA1100_SHANNON)            += shannon.o
 
 obj-$(CONFIG_SA1100_SIMPAD)             += simpad.o
-led-$(CONFIG_SA1100_SIMPAD)             += leds-simpad.o
 
 # LEDs support
 obj-$(CONFIG_LEDS) += $(led-y)
diff --git a/arch/arm/mach-sa1100/leds-simpad.c b/arch/arm/mach-sa1100/leds-simpad.c
deleted file mode 100644
index d25784cc96e6..000000000000
--- a/arch/arm/mach-sa1100/leds-simpad.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * linux/arch/arm/mach-sa1100/leds-simpad.c
- *
- * Author: Juergen Messerer <juergen.messerer@siemens.ch>
- */
-#include <linux/init.h>
-
-#include <mach/hardware.h>
-#include <asm/leds.h>
-#include <asm/system.h>
-#include <mach/simpad.h>
-
-#include "leds.h"
-
-
-#define LED_STATE_ENABLED       1
-#define LED_STATE_CLAIMED       2
-
-static unsigned int led_state;
-static unsigned int hw_led_state;
-
-#define LED_GREEN       (1)
-#define LED_MASK        (1)
-
-void simpad_leds_event(led_event_t evt)
-{
-        switch (evt)
-        {
-        case led_start:
-                hw_led_state = LED_GREEN;
-                led_state = LED_STATE_ENABLED;
-                break;
-
-        case led_stop:
-                led_state &= ~LED_STATE_ENABLED;
-                break;
-
-        case led_claim:
-                led_state |= LED_STATE_CLAIMED;
-                hw_led_state = LED_GREEN;
-                break;
-
-        case led_release:
-                led_state &= ~LED_STATE_CLAIMED;
-                hw_led_state = LED_GREEN;
-                break;
-
-#ifdef CONFIG_LEDS_TIMER
-        case led_timer:
-                if (!(led_state & LED_STATE_CLAIMED))
-                        hw_led_state ^= LED_GREEN;
-                break;
-#endif
-
-#ifdef CONFIG_LEDS_CPU
-        case led_idle_start:
-                break;
-
-        case led_idle_end:
-                break;
-#endif
-
-        case led_halted:
-                break;
-
-        case led_green_on:
-                if (led_state & LED_STATE_CLAIMED)
-                        hw_led_state |= LED_GREEN;
-                break;
-
-        case led_green_off:
-                if (led_state & LED_STATE_CLAIMED)
-                        hw_led_state &= ~LED_GREEN;
-                break;
-
-        case led_amber_on:
-                break;
-
-        case led_amber_off:
-                break;
-
-        case led_red_on:
-                break;
-
-        case led_red_off:
-                break;
-
-        default:
-                break;
-        }
-
-        if  (led_state & LED_STATE_ENABLED)
-                simpad_set_cs3_bit(LED2_ON);
-        else 
-                simpad_clear_cs3_bit(LED2_ON);
-}
-
diff --git a/arch/arm/mach-sa1100/leds.c b/arch/arm/mach-sa1100/leds.c
index bbfe197fb4d6..5fe71a0f1053 100644
--- a/arch/arm/mach-sa1100/leds.c
+++ b/arch/arm/mach-sa1100/leds.c
@@ -42,8 +42,6 @@ sa1100_leds_init(void)
                 leds_event = adsbitsy_leds_event;
         if (machine_is_pt_system3())
                 leds_event = system3_leds_event;
-        if (machine_is_simpad())
-                leds_event = simpad_leds_event; /* what about machine registry? including led, apm... -zecke */
 
         leds_event(led_start);
         return 0;
diff --git a/arch/arm/mach-sa1100/leds.h b/arch/arm/mach-sa1100/leds.h
index 68cc9f773d6d..776b6020f550 100644
--- a/arch/arm/mach-sa1100/leds.h
+++ b/arch/arm/mach-sa1100/leds.h
@@ -11,4 +11,3 @@ extern void pfs168_leds_event(led_event_t evt);
 extern void graphicsmaster_leds_event(led_event_t evt);
 extern void adsbitsy_leds_event(led_event_t evt);
 extern void system3_leds_event(led_event_t evt);
-extern void simpad_leds_event(led_event_t evt);
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 9f0eefdaa2a1..34659f354bef 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -31,6 +31,7 @@
 #include <linux/ioport.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/leds.h>
 #include <linux/i2c-gpio.h>
 
 #include "generic.h"
@@ -295,6 +296,32 @@ static struct platform_device simpad_polled_keys = {
 };
 
 /*
+ * GPIO LEDs
+ */
+
+static struct gpio_led simpad_leds[] = {
+        {
+                .name = "simpad:power",
+                .gpio = SIMPAD_CS3_LED2_ON,
+                .active_low = 0,
+                .default_trigger = "default-on",
+        },
+};
+
+static struct gpio_led_platform_data simpad_led_data = {
+        .num_leds = ARRAY_SIZE(simpad_leds),
+        .leds = simpad_leds,
+};
+
+static struct platform_device simpad_gpio_leds = {
+        .name = "leds-gpio",
+        .id = 0,
+        .dev = {
+                .platform_data = &simpad_led_data,
+        },
+};
+
+/*
  * i2c
  */
 static struct i2c_gpio_platform_data simpad_i2c_data = {
@@ -324,6 +351,7 @@ static struct platform_device *devices[] __initdata = {
         &simpad_keys,
         &simpad_polled_keys,
         &simpad_mq200fb,
+        &simpad_gpio_leds,
         &simpad_i2c,
 };