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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-omap1/leds.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-omap1/leds.c')
-rw-r--r--arch/arm/mach-omap1/leds.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c
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+++ b/arch/arm/mach-omap1/leds.c
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+/*
+ * linux/arch/arm/mach-omap1/leds.c
+ *
+ * OMAP LEDs dispatcher
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+
+#include <plat/mux.h>
+
+#include "leds.h"
+
+static int __init
+omap_leds_init(void)
+{
+ if (!cpu_class_is_omap1())
+ return -ENODEV;
+
+ if (machine_is_omap_innovator())
+ leds_event = innovator_leds_event;
+
+ else if (machine_is_omap_h2()
+ || machine_is_omap_h3()
+ || machine_is_omap_perseus2())
+ leds_event = h2p2_dbg_leds_event;
+
+ else if (machine_is_omap_osk())
+ leds_event = osk_leds_event;
+
+ else
+ return -1;
+
+ if (machine_is_omap_h2()
+ || machine_is_omap_h3()
+#ifdef CONFIG_OMAP_OSK_MISTRAL
+ || machine_is_omap_osk()
+#endif
+ ) {
+
+ /* LED1/LED2 pins can be used as GPIO (as done here), or by
+ * the LPG (works even in deep sleep!), to drive a bicolor
+ * LED on the H2 sample board, and another on the H2/P2
+ * "surfer" expansion board.
+ *
+ * The same pins drive a LED on the OSK Mistral board, but
+ * that's a different kind of LED (just one color at a time).
+ */
+ omap_cfg_reg(P18_1610_GPIO3);
+ if (gpio_request(3, "LED red") == 0)
+ gpio_direction_output(3, 1);
+ else
+ printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
+
+ omap_cfg_reg(MPUIO4);
+ if (gpio_request(OMAP_MPUIO(4), "LED green") == 0)
+ gpio_direction_output(OMAP_MPUIO(4), 1);
+ else
+ printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
+ }
+
+ leds_event(led_start);
+ return 0;
+}
+
+__initcall(omap_leds_init);