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arm64: dts: renesas: ebisu: Add PMIC DDR0 Backup Power config

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On Ebisu the DDR0 power rail needs 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, hence specify
"rohm,rstbmode-level".

Based on advice from Geert Uytterhoeven.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Simon Horman 2019-03-13 11:58:16 +01:00
parent 1f4c123a98
commit 474706117c
1 changed files with 2 additions and 0 deletions
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arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
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@ -466,6 +466,8 @@ pmic: pmic@30 {
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
rohm,ddr-backup-power = <0x1>;
rohm,rstbmode-level;
};
};