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-rw-r--r--drivers/leds/Kconfig10
-rw-r--r--drivers/leds/Makefile1
-rw-r--r--drivers/leds/leds-net5501.c94
3 files changed, 105 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 505eb64..ecb6932 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -67,6 +67,16 @@ config LEDS_NET48XX
This option enables support for the Soekris net4801 and net4826 error
LED.
+config LEDS_NET5501
+ tristate "LED Support for Soekris net5501 series Error LED"
+ depends on LEDS_CLASS && LEDS_TRIGGERS
+ depends on LEDS_GPIO_PLATFORM && GPIO_CS5535
+ select LEDS_TRIGGER_DEFAULT_ON
+ default n
+ help
+ Add support for the Soekris net5501 board (detection, error led
+ and GPIO).
+
config LEDS_FSG
tristate "LED Support for the Freecom FSG-3"
depends on MACH_FSG
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 0cd8b99..77119f2 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o
obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o
obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o
obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
+obj-$(CONFIG_LEDS_NET5501) += leds-net5501.o
obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
obj-$(CONFIG_LEDS_ALIX2) += leds-alix2.o
obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c
new file mode 100644
index 0000000..3063f59
--- /dev/null
+++ b/drivers/leds/leds-net5501.c
@@ -0,0 +1,94 @@
+/*
+ * Soekris board support code
+ *
+ * Copyright (C) 2008-2009 Tower Technologies
+ * Written by Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/geode.h>
+
+static struct gpio_led net5501_leds[] = {
+ {
+ .name = "error",
+ .gpio = 6,
+ .default_trigger = "default-on",
+ },
+};
+
+static struct gpio_led_platform_data net5501_leds_data = {
+ .num_leds = ARRAY_SIZE(net5501_leds),
+ .leds = net5501_leds,
+};
+
+static struct platform_device net5501_leds_dev = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &net5501_leds_data,
+};
+
+static void __init init_net5501(void)
+{
+ platform_device_register(&net5501_leds_dev);
+}
+
+struct soekris_board {
+ u16 offset;
+ char *sig;
+ u8 len;
+ void (*init)(void);
+};
+
+static struct soekris_board __initdata boards[] = {
+ { 0xb7b, "net5501", 7, init_net5501 }, /* net5501 v1.33/1.33c */
+ { 0xb1f, "net5501", 7, init_net5501 }, /* net5501 v1.32i */
+};
+
+static int __init soekris_init(void)
+{
+ int i;
+ unsigned char *rombase, *bios;
+
+ if (!is_geode())
+ return 0;
+
+ rombase = ioremap(0xffff0000, 0xffff);
+ if (!rombase) {
+ printk(KERN_INFO "Soekris net5501 LED driver failed to get rombase");
+ return 0;
+ }
+
+ bios = rombase + 0x20; /* null terminated */
+
+ if (strncmp(bios, "comBIOS", 7))
+ goto unmap;
+
+ for (i = 0; i < ARRAY_SIZE(boards); i++) {
+ unsigned char *model = rombase + boards[i].offset;
+
+ if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
+ printk(KERN_INFO "Soekris %s: %s\n", model, bios);
+
+ if (boards[i].init)
+ boards[i].init();
+ break;
+ }
+ }
+
+unmap:
+ iounmap(rombase);
+ return 0;
+}
+
+arch_initcall(soekris_init);
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