Re: [PATCH v2 2/3] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power

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Hello!

On 03/14/2018 03:09 PM, Geert Uytterhoeven wrote:

> On Salvator-X(S), all of the DDR0, DDR1, DDR0C, and DDR1C power rails
> need to be kept powered when backup mode is enabled.  Reflect this in
> the "rohm,ddr-backup-power" property for the BD9571MWV PMIC node.
> 
> The accessory power switch (SW23) is a toggle switch, hense specify
> "rohm,rstbmode-level".
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> v2:
>   - Add rohm,rstbmode-level.
> ---
>  arch/arm64/boot/dts/renesas/salvator-common.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> index 2a7f36abd2dd85c6..80794c38c2669d75 100644
> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> @@ -376,6 +376,8 @@
>  		#interrupt-cells = <2>;
>  		gpio-controller;
>  		#gpio-cells = <2>;
> +		rohm,ddr-backup-power = <15>;

  Why not 0xf if those are all bit flags?

[...]

MBR, Sergei



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