David Anders wrote:
> the pandaboard does not use the VUSIM or VAUX1 power regulators on the
TWL6030
> and are left floating. if the VUSIM and VAUX1 power regulators are
initilized,
> noise on the unloaded regulators generates an overcurrent interrupt
causing the
> system to power down. this patch removes the initialization of the
unused power
> regulators of VUSIM and VAUX1.
>
> Signed-off-by: David Anders <x0132446@xxxxxx>
For what it's worth, thanks for tracking this down!
Acked-by: Anand Gadiyar <gadiyar@xxxxxx>
> ---
> arch/arm/mach-omap2/board-omap4panda.c | 28
----------------------------
> 1 files changed, 0 insertions(+), 28 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap4panda.c
> b/arch/arm/mach-omap2/board-omap4panda.c
> index e944025..abc913b 100644
> --- a/arch/arm/mach-omap2/board-omap4panda.c
> +++ b/arch/arm/mach-omap2/board-omap4panda.c
> @@ -220,19 +220,6 @@ static int __init
> omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
> return 0;
> }
>
> -static struct regulator_init_data omap4_panda_vaux1 = {
> - .constraints = {
> - .min_uV = 1000000,
> - .max_uV = 3000000,
> - .apply_uV = true,
> - .valid_modes_mask = REGULATOR_MODE_NORMAL
> - | REGULATOR_MODE_STANDBY,
> - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
> - | REGULATOR_CHANGE_MODE
> - | REGULATOR_CHANGE_STATUS,
> - },
> -};
> -
> static struct regulator_init_data omap4_panda_vaux2 = {
> .constraints = {
> .min_uV = 1200000,
> @@ -288,19 +275,6 @@ static struct regulator_init_data omap4_panda_vpp =
{
> },
> };
>
> -static struct regulator_init_data omap4_panda_vusim = {
> - .constraints = {
> - .min_uV = 1200000,
> - .max_uV = 2900000,
> - .apply_uV = true,
> - .valid_modes_mask = REGULATOR_MODE_NORMAL
> - | REGULATOR_MODE_STANDBY,
> - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
> - | REGULATOR_CHANGE_MODE
> - | REGULATOR_CHANGE_STATUS,
> - },
> -};
> -
> static struct regulator_init_data omap4_panda_vana = {
> .constraints = {
> .min_uV = 2100000,
> @@ -356,12 +330,10 @@ static struct twl4030_platform_data
omap4_panda_twldata = {
> /* Regulators */
> .vmmc = &omap4_panda_vmmc,
> .vpp = &omap4_panda_vpp,
> - .vusim = &omap4_panda_vusim,
> .vana = &omap4_panda_vana,
> .vcxio = &omap4_panda_vcxio,
> .vdac = &omap4_panda_vdac,
> .vusb = &omap4_panda_vusb,
> - .vaux1 = &omap4_panda_vaux1,
> .vaux2 = &omap4_panda_vaux2,
> .vaux3 = &omap4_panda_vaux3,
> .usb = &omap4_usbphy_data,
> --
> 1.7.0.4
>
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