1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
new file mode 100644
index 000000000..54af9e63c
--- /dev/null
+++ b/drivers/leds/leds-hp6xx.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * LED Triggers Core
+ * For the HP Jornada 620/660/680/690 handhelds
+ *
+ * Copyright 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
+ *     this driver is based on leds-spitz.c by Richard Purdie.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <asm/hd64461.h>
+#include <mach/hp6xx.h>
+
+static void hp6xxled_green_set(struct led_classdev *led_cdev,
+			       enum led_brightness value)
+{
+	u8 v8;
+
+	v8 = inb(PKDR);
+	if (value)
+		outb(v8 & (~PKDR_LED_GREEN), PKDR);
+	else
+		outb(v8 | PKDR_LED_GREEN, PKDR);
+}
+
+static void hp6xxled_red_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	u16 v16;
+
+	v16 = inw(HD64461_GPBDR);
+	if (value)
+		outw(v16 & (~HD64461_GPBDR_LED_RED), HD64461_GPBDR);
+	else
+		outw(v16 | HD64461_GPBDR_LED_RED, HD64461_GPBDR);
+}
+
+static struct led_classdev hp6xx_red_led = {
+	.name			= "hp6xx:red",
+	.default_trigger	= "hp6xx-charge",
+	.brightness_set		= hp6xxled_red_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev hp6xx_green_led = {
+	.name			= "hp6xx:green",
+	.default_trigger	= "disk-activity",
+	.brightness_set		= hp6xxled_green_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static int hp6xxled_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &hp6xx_red_led);
+	if (ret < 0)
+		return ret;
+
+	return devm_led_classdev_register(&pdev->dev, &hp6xx_green_led);
+}
+
+static struct platform_driver hp6xxled_driver = {
+	.probe		= hp6xxled_probe,
+	.driver		= {
+		.name		= "hp6xx-led",
+	},
+};
+
+module_platform_driver(hp6xxled_driver);
+
+MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
+MODULE_DESCRIPTION("HP Jornada 6xx LED driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:hp6xx-led");