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| author | Tom Rix <Tom.Rix@windriver.com> | 2009-06-28 12:52:30 -0500 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2009-07-29 09:57:30 +0200 |
| commit | 2c15513010493435c78f83202940ac3be11de2c3 (patch) | |
| tree | 3df1bf54d772883c8fa4658487a09bcfda8aad4e /drivers/power/twl4030.c | |
| parent | cd7826359ee71e8f6f3d68331930ab9cbe1c990e (diff) | |
| download | u-boot-imx-2c15513010493435c78f83202940ac3be11de2c3.zip u-boot-imx-2c15513010493435c78f83202940ac3be11de2c3.tar.gz u-boot-imx-2c15513010493435c78f83202940ac3be11de2c3.tar.bz2 | |
OMAP3 Move twl4030 power and led functions
Because twl4030 now has its own device files, move exiting
omap3 power_init_r to a new location.
power_init_r is the only function in board/omap3/common.
It initializes the twl4030 power for the board and enables
the led.
The power part of the the function is moved to twl4030_power_init in
drivers/power/twl4030.c The power compilation is conditional on the
existing config variable CONFIG_TWL4030_POWER.
The led part is moved to twl4030_led_init in the new file
drivers/misc/twl4030_led.c The led compilation is conditional on
the new config variable CONFIG_TWL4030_LED
The directory board/omap3/common was removed because power_init_r
was the only function in it.
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/power/twl4030.c')
| -rw-r--r-- | drivers/power/twl4030.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c index 70d4eeb..c93b51f 100644 --- a/drivers/power/twl4030.c +++ b/drivers/power/twl4030.c @@ -17,9 +17,24 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * - * Derived from code on omapzoom, git://git.omapzoom.com/repo/u-boot.git + * twl4030_power_reset_init is derived from code on omapzoom, + * git://git.omapzoom.com/repo/u-boot.git * * Copyright (C) 2007-2009 Texas Instruments, Inc. + * + * twl4030_power_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> @@ -45,3 +60,41 @@ void twl4030_power_reset_init(void) } +/* + * Power Init + */ +#define DEV_GRP_P1 0x20 +#define VAUX3_VSEL_28 0x03 +#define DEV_GRP_ALL 0xE0 +#define VPLL2_VSEL_18 0x05 +#define VDAC_VSEL_18 0x03 + +void twl4030_power_init(void) +{ + unsigned char byte; + + /* set VAUX3 to 2.8V */ + byte = DEV_GRP_P1; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VAUX3_DEV_GRP); + byte = VAUX3_VSEL_28; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VAUX3_DEDICATED); + + /* set VPLL2 to 1.8V */ + byte = DEV_GRP_ALL; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VPLL2_DEV_GRP); + byte = VPLL2_VSEL_18; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VPLL2_DEDICATED); + + /* set VDAC to 1.8V */ + byte = DEV_GRP_P1; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VDAC_DEV_GRP); + byte = VDAC_VSEL_18; + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, + TWL4030_PM_RECEIVER_VDAC_DEDICATED); +} + |