diff options
Diffstat (limited to 'u-boot/drivers/misc/twl4030_led.c')
-rw-r--r-- | u-boot/drivers/misc/twl4030_led.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/u-boot/drivers/misc/twl4030_led.c b/u-boot/drivers/misc/twl4030_led.c new file mode 100644 index 0000000..33cea11 --- /dev/null +++ b/u-boot/drivers/misc/twl4030_led.c @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix at windriver.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * twl4030_led_init is from cpu/omap3/common.c, power_init_r + * + * (C) Copyright 2004-2008 + * Texas Instruments, <www.ti.com> + * + * Author : + * Sunil Kumar <sunilsaini05 at gmail.com> + * Shashi Ranjan <shashiranjanmca05 at gmail.com> + * + * Derived from Beagle Board and 3430 SDP code by + * Richard Woodruff <r-woodruff2 at ti.com> + * Syed Mohammed Khasim <khasim at ti.com> + * + */ + +#include <twl4030.h> + +void twl4030_led_init(unsigned char ledon_mask) +{ + /* LEDs need to have corresponding PWMs enabled */ + if (ledon_mask & TWL4030_LED_LEDEN_LEDAON) + ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM; + if (ledon_mask & TWL4030_LED_LEDEN_LEDBON) + ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM; + + twl4030_i2c_write_u8(TWL4030_CHIP_LED, ledon_mask, + TWL4030_LED_LEDEN); + +} |