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

[Simon Glass]

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?

>                 {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