[U-Boot] [PATCH V2 6/7] exynos: s2mps11_pmic: Enable LDO38 for SMDK5420

Ajay kumar ajaynumb at gmail.com
Fri Dec 20 10:44:44 CET 2013


Hi Simon,


On Fri, Dec 20, 2013 at 2:10 AM, Simon Glass <sjg at chromium.org> wrote:

> Hi Ajay,
>
> On 12 November 2013 05:27, Ajay Kumar <ajaykumar.rs at samsung.com> wrote:
> > Enabling VDD_28IO_DP via LDO38 for SMDK5420.
> >
> > Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
> > ---
> >  board/samsung/common/board.c | 3 +++
> >  include/power/s2mps11_pmic.h | 3 +++
> >  2 files changed, 6 insertions(+)
> >
> > diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
> > index 2536457..224f83d 100644
> > --- a/board/samsung/common/board.c
> > +++ b/board/samsung/common/board.c
> > @@ -180,6 +180,9 @@ int board_init_s2mps11(void)
> >                 {PMIC_REG_WRITE, S2MPS11_BUCK3_CTRL2,
> S2MPS11_BUCK_CTRL2_1V},
> >                 {PMIC_REG_WRITE, S2MPS11_BUCK4_CTRL2,
> S2MPS11_BUCK_CTRL2_1V},
> >                 {PMIC_REG_WRITE, S2MPS11_BUCK6_CTRL2,
> S2MPS11_BUCK_CTRL2_1V},
> > +#ifdef CONFIG_SMDK5420
> > +               {PMIC_REG_WRITE, S2MPS11_LDO38_CTRL,
> S2MPS11_LDO_CTRL_2_8V},
> > +#endif
>
> Should this be a runtime check based on a device tree setting?
>
Will change it.

>
> >                 {PMIC_REG_UPDATE, S2MPS11_REG_RTC_CTRL,
> >                         S2MPS11_RTC_CTRL_32KHZ_CP_EN |
> S2MPS11_RTC_CTRL_JIT},
> >                 {PMIC_REG_BAIL}
> > diff --git a/include/power/s2mps11_pmic.h b/include/power/s2mps11_pmic.h
> > index 20c781d..8c6bf4b 100644
> > --- a/include/power/s2mps11_pmic.h
> > +++ b/include/power/s2mps11_pmic.h
> > @@ -125,6 +125,8 @@ enum s2mps11_reg {
> >  #define S2MPS11_BUCK_CTRL2_1_2V        0x60
> >  /* Value to set voltage as 1.2625V */
> >  #define S2MPS11_BUCK_CTRL2_1_2625V     0x6A
> > +/* Value to set voltage as 2.8V */
> > +#define S2MPS11_LDO_CTRL_2_8V  0x78
> >
> >  /* Buck register addresses */
> >  #define S2MPS11_BUCK1_CTRL2    0x26
> > @@ -133,6 +135,7 @@ enum s2mps11_reg {
> >  #define S2MPS11_BUCK4_CTRL2    0x2c
> >  #define S2MPS11_BUCK6_CTRL2    0x34
> >  #define S2MPS11_LDO22_CTRL     0x52
> > +#define S2MPS11_LDO38_CTRL     0x62
> >
> >  #define S2MPS11_DEVICE_NAME "S2MPS11_PMIC"
> >
> > --
> > 1.7.12.4
> >
>
> Regards,
> Simon
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>


More information about the U-Boot mailing list