From 1dada3fc3c08b9f7fe12219af238d408409c5fa1 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 11 Dec 2015 15:04:57 +0000 Subject: ar71xx: add LED driver NU801 The MR18 uses a 3-channel 16-bit PWM Constant Current Driver for its status LED. Signed-off-by: Chris R Blake SVN-Revision: 47848 --- .../linux/ar71xx/files/include/linux/leds-nu801.h | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 target/linux/ar71xx/files/include/linux/leds-nu801.h (limited to 'target/linux/ar71xx/files/include') diff --git a/target/linux/ar71xx/files/include/linux/leds-nu801.h b/target/linux/ar71xx/files/include/linux/leds-nu801.h new file mode 100644 index 0000000..0fc310d --- /dev/null +++ b/target/linux/ar71xx/files/include/linux/leds-nu801.h @@ -0,0 +1,38 @@ +#ifndef __LEDS_NU801_H__ +#define __LEDS_NU801_H__ + +/* + * Definitions for LED driver for NU801 + * + * Kevin Paul Herbert + * Copyright (c) 2012, Meraki, Inc. + * + * 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 + +struct led_nu801_template { + const char *device_name; /* Name of the platform device */ + const char *name; /* Name of this LED chain */ + int num_leds; /* Number of LEDs in the chain */ + unsigned cki; /* GPIO pin for CKI */ + unsigned sdi; /* GPIO pin for SDI */ + int lei; /* GPIO pin for LEI; < 0 if none */ + u32 ndelay; /* Delay in nanoseconds */ + enum led_brightness init_brightness[3]; /* Default rgb state */ +#ifdef CONFIG_LEDS_TRIGGERS + const char *default_trigger; /* default trigger */ +#endif + const char *led_colors[3]; /* rgb color order */ +}; + +struct led_nu801_platform_data { + int num_controllers; /* Numnber of controllers */ + struct led_nu801_template *template; /* Template per controller */ +}; + +#endif /* __LEDS_NU801_H__ */ -- cgit v1.1