xref: /OK3568_Linux_fs/u-boot/drivers/misc/twl4030_led.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2009 Wind River Systems, Inc.
3*4882a593Smuzhiyun  * Tom Rix <Tom.Rix at windriver.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * twl4030_led_init is from cpu/omap3/common.c, power_init_r
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * (C) Copyright 2004-2008
10*4882a593Smuzhiyun  * Texas Instruments, <www.ti.com>
11*4882a593Smuzhiyun  *
12*4882a593Smuzhiyun  * Author :
13*4882a593Smuzhiyun  *	Sunil Kumar <sunilsaini05 at gmail.com>
14*4882a593Smuzhiyun  *	Shashi Ranjan <shashiranjanmca05 at gmail.com>
15*4882a593Smuzhiyun  *
16*4882a593Smuzhiyun  * Derived from Beagle Board and 3430 SDP code by
17*4882a593Smuzhiyun  *	Richard Woodruff <r-woodruff2 at ti.com>
18*4882a593Smuzhiyun  *	Syed Mohammed Khasim <khasim at ti.com>
19*4882a593Smuzhiyun  */
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #include <twl4030.h>
22*4882a593Smuzhiyun 
twl4030_led_init(unsigned char ledon_mask)23*4882a593Smuzhiyun void twl4030_led_init(unsigned char ledon_mask)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	/* LEDs need to have corresponding PWMs enabled */
26*4882a593Smuzhiyun 	if (ledon_mask & TWL4030_LED_LEDEN_LEDAON)
27*4882a593Smuzhiyun 		ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM;
28*4882a593Smuzhiyun 	if (ledon_mask & TWL4030_LED_LEDEN_LEDBON)
29*4882a593Smuzhiyun 		ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
32*4882a593Smuzhiyun 			     ledon_mask);
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun }
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