[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))
> 



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