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charset="utf-8" Two pmuio domains on ringneck are not defined: 1- PMUIO1: supplied by vcc_3v3 regulator(PMIC RK809) 2- PMUIO2: supplied by vcc_3v3 regulator(PMIC RK809) The reason why no functional effect was observed is because of that the above mentionned PMUIO domains were supplied by a regulator which is always on. So let's add their definition in the dtsi. Signed-off-by: Iskander Amara --- v2: - Fix indentation arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi b/arch/arm64/b= oot/dts/rockchip/px30-ringneck.dtsi index 12397755830b..bb1aea82e666 100644 --- a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi @@ -347,6 +347,12 @@ pmic_int: pmic-int { }; }; =20 +&pmu_io_domains { + pmuio1-supply =3D <&vcc_3v3>; + pmuio2-supply =3D <&vcc_3v3>; + status =3D "okay"; +}; + &saradc { vref-supply =3D <&vcc_1v8>; status =3D "okay"; --=20 2.34.1