xref: /openbmc/u-boot/drivers/misc/twl4030_led.c (revision fd697ecf)
1 /*
2  * Copyright (c) 2009 Wind River Systems, Inc.
3  * Tom Rix <Tom.Rix at windriver.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  *
7  * twl4030_led_init is from cpu/omap3/common.c, power_init_r
8  *
9  * (C) Copyright 2004-2008
10  * Texas Instruments, <www.ti.com>
11  *
12  * Author :
13  *	Sunil Kumar <sunilsaini05 at gmail.com>
14  *	Shashi Ranjan <shashiranjanmca05 at gmail.com>
15  *
16  * Derived from Beagle Board and 3430 SDP code by
17  *	Richard Woodruff <r-woodruff2 at ti.com>
18  *	Syed Mohammed Khasim <khasim at ti.com>
19  */
20 
21 #include <twl4030.h>
22 
23 void twl4030_led_init(unsigned char ledon_mask)
24 {
25 	/* LEDs need to have corresponding PWMs enabled */
26 	if (ledon_mask & TWL4030_LED_LEDEN_LEDAON)
27 		ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM;
28 	if (ledon_mask & TWL4030_LED_LEDEN_LEDBON)
29 		ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
30 
31 	twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
32 			     ledon_mask);
33 
34 }
35