leds: add LED driver for Big Network series LEDs

This patch add a LED class driver for LEDs found on the LaCie 2Big and
5Big Network v2 boards. The LEDs are wired to a CPLD and are controlled
through a GPIO extension bus.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/include/mach/leds-netxbig.h b/arch/arm/mach-kirkwood/include/mach/leds-netxbig.h
new file mode 100644
index 0000000..24b536e
--- /dev/null
+++ b/arch/arm/mach-kirkwood/include/mach/leds-netxbig.h
@@ -0,0 +1,55 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/leds-netxbig.h
+ *
+ * Platform data structure for netxbig LED driver
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_LEDS_NETXBIG_H
+#define __MACH_LEDS_NETXBIG_H
+
+struct netxbig_gpio_ext {
+	unsigned	*addr;
+	int		num_addr;
+	unsigned	*data;
+	int		num_data;
+	unsigned	enable;
+};
+
+enum netxbig_led_mode {
+	NETXBIG_LED_OFF,
+	NETXBIG_LED_ON,
+	NETXBIG_LED_SATA,
+	NETXBIG_LED_TIMER1,
+	NETXBIG_LED_TIMER2,
+	NETXBIG_LED_MODE_NUM,
+};
+
+#define NETXBIG_LED_INVALID_MODE NETXBIG_LED_MODE_NUM
+
+struct netxbig_led_timer {
+	unsigned long		delay_on;
+	unsigned long		delay_off;
+	enum netxbig_led_mode	mode;
+};
+
+struct netxbig_led {
+	const char	*name;
+	const char	*default_trigger;
+	int		mode_addr;
+	int		*mode_val;
+	int		bright_addr;
+};
+
+struct netxbig_led_platform_data {
+	struct netxbig_gpio_ext	*gpio_ext;
+	struct netxbig_led_timer *timer;
+	int			num_timer;
+	struct netxbig_led	*leds;
+	int			num_leds;
+};
+
+#endif /* __MACH_LEDS_NETXBIG_H */