[U-Boot] [PATCH v2] twl4030: VMMC2 3.2V enable on MMC init

Pantelis Antoniou
2014-10-30T15:22:43Z

Hi Paul,

> On Oct 28, 2014, at 19:14 , Paul Kocialkowski <contact@paulk.fr> wrote:
>
> This enables the VMMC2 LDO, which powers the MMC2 device.
> When the device starts from MMC2, this has already been enabled by the BootROM,
> but when starting from peripheral boot (USB, UART), it is not the case.
>
> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
> ---
> drivers/power/twl4030.c | 6 ++++++
> include/twl4030.h | 2 ++
> 2 files changed, 8 insertions(+)
>
> diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
> index 3e50310..e578ae6 100644
> --- a/drivers/power/twl4030.c
> +++ b/drivers/power/twl4030.c
> @@ -98,4 +98,10 @@ void twl4030_power_mmc_init(void)
> TWL4030_PM_RECEIVER_VMMC1_VSEL_32,
> TWL4030_PM_RECEIVER_VMMC1_DEV_GRP,
> TWL4030_PM_RECEIVER_DEV_GRP_P1);
> +
> + /* Set VMMC2 to 3.15 Volts */
> + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC2_DEDICATED,
> + TWL4030_PM_RECEIVER_VMMC2_VSEL_32,
> + TWL4030_PM_RECEIVER_VMMC2_DEV_GRP,
> + TWL4030_PM_RECEIVER_DEV_GRP_P1);
> }
> diff --git a/include/twl4030.h b/include/twl4030.h
> index 093c61d..18795a6 100644
> --- a/include/twl4030.h
> +++ b/include/twl4030.h
> @@ -395,6 +395,8 @@
> #define TWL4030_PM_RECEIVER_VDAC_VSEL_18 0x03
> #define TWL4030_PM_RECEIVER_VMMC1_VSEL_30 0x02
> #define TWL4030_PM_RECEIVER_VMMC1_VSEL_32 0x03
> +#define TWL4030_PM_RECEIVER_VMMC2_VSEL_30 0x0B
> +#define TWL4030_PM_RECEIVER_VMMC2_VSEL_32 0x0C
> #define TWL4030_PM_RECEIVER_VSIM_VSEL_18 0x03
>
> /* Device Selection in PM Receiver Module */
> --
> 1.7.9.5

Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>

Thanks, applied.