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Diffstat (limited to 'arch/mips/mti-sead3/leds-sead3.c')
-rw-r--r--arch/mips/mti-sead3/leds-sead3.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/mips/mti-sead3/leds-sead3.c b/arch/mips/mti-sead3/leds-sead3.c
new file mode 100644
index 000000000..c938ceeb8
--- /dev/null
+++ b/arch/mips/mti-sead3/leds-sead3.c
@@ -0,0 +1,77 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2015 Imagination Technologies, Inc.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/mips-boards/sead3-addr.h>
+
+static void sead3_pled_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ writel(value, (void __iomem *)SEAD3_CPLD_P_LED);
+}
+
+static void sead3_fled_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ writel(value, (void __iomem *)SEAD3_CPLD_F_LED);
+}
+
+static struct led_classdev sead3_pled = {
+ .name = "sead3::pled",
+ .brightness_set = sead3_pled_set,
+ .flags = LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev sead3_fled = {
+ .name = "sead3::fled",
+ .brightness_set = sead3_fled_set,
+ .flags = LED_CORE_SUSPENDRESUME,
+};
+
+static int sead3_led_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &sead3_pled);
+ if (ret < 0)
+ return ret;
+
+ ret = led_classdev_register(&pdev->dev, &sead3_fled);
+ if (ret < 0)
+ led_classdev_unregister(&sead3_pled);
+
+ return ret;
+}
+
+static int sead3_led_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&sead3_pled);
+ led_classdev_unregister(&sead3_fled);
+ return 0;
+}
+
+static struct platform_driver sead3_led_driver = {
+ .probe = sead3_led_probe,
+ .remove = sead3_led_remove,
+ .driver = {
+ .name = "sead3-led",
+ },
+};
+
+module_platform_driver(sead3_led_driver);
+
+MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
+MODULE_DESCRIPTION("SEAD3 LED driver");
+MODULE_LICENSE("GPL");