[U-Boot] [PATCH 2/2] board: ti: AM43XX: Add ddr voltage rail configuration
Jaehoon Chung
jh80.chung at samsung.com
Wed Jun 7 04:14:11 UTC 2017
On 06/02/2017 06:30 PM, Keerthy wrote:
> Add ddr voltage rail (dcdc3) configuration. Set the dcdc3
> DDR supply to 1.35V.
>
> Signed-off-by: Keerthy <j-keerthy at ti.com>
Applied to u-boot-mmc for pmic. Thanks!
Best Regards,
Jaehoon Chung
> ---
> board/ti/am43xx/board.c | 7 +++++++
> include/power/tps65218.h | 1 +
> 2 files changed, 8 insertions(+)
>
> diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
> index c15d8fa..2c02909 100644
> --- a/board/ti/am43xx/board.c
> +++ b/board/ti/am43xx/board.c
> @@ -441,6 +441,13 @@ void scale_vcores_generic(u32 m)
> printf("%s failure\n", __func__);
> return;
> }
> +
> + /* Set DCDC3 (DDR) voltage */
> + if (tps65218_voltage_update(TPS65218_DCDC3,
> + TPS65218_DCDC3_VOLT_SEL_1350MV)) {
> + printf("%s failure\n", __func__);
> + return;
> + }
> }
>
> void scale_vcores_idk(u32 m)
> diff --git a/include/power/tps65218.h b/include/power/tps65218.h
> index e3538e2..43b9c9a 100644
> --- a/include/power/tps65218.h
> +++ b/include/power/tps65218.h
> @@ -63,6 +63,7 @@ enum {
> #define TPS65218_DCDC_VOLT_SEL_1200MV 0x23
> #define TPS65218_DCDC_VOLT_SEL_1260MV 0x29
> #define TPS65218_DCDC_VOLT_SEL_1330MV 0x30
> +#define TPS65218_DCDC3_VOLT_SEL_1350MV 0x12
>
> #define TPS65218_CC_STAT (BIT(0) | BIT(1))
> #define TPS65218_STATE (BIT(2) | BIT(3))
>
More information about the U-Boot
mailing list