Hi, Neal On Mon, May 27, 2019 at 1:39 AM Neal Liu <neal.liu@xxxxxxxxxxxx> wrote: > > Document the binding used by the MediaTek ARMv8 SoCs random > number generator with TrustZone enabled. > > Signed-off-by: Neal Liu <neal.liu@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/rng/mtk-rng.txt | 13 ++++++++++--- > 1 file changed, 10 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.txt b/Documentation/devicetree/bindings/rng/mtk-rng.txt > index 2bc89f1..1fb9b1d 100644 > --- a/Documentation/devicetree/bindings/rng/mtk-rng.txt > +++ b/Documentation/devicetree/bindings/rng/mtk-rng.txt > @@ -3,9 +3,12 @@ found in MediaTek SoC family > > Required properties: > - compatible : Should be > - "mediatek,mt7622-rng", "mediatek,mt7623-rng" : for MT7622 > - "mediatek,mt7629-rng", "mediatek,mt7623-rng" : for MT7629 > - "mediatek,mt7623-rng" : for MT7623 > + "mediatek,mt7622-rng", "mediatek,mt7623-rng" for MT7622 > + "mediatek,mt7629-rng", "mediatek,mt7623-rng" for MT7629 > + "mediatek,mt7623-rng" for MT7623 No make any change for those lines not belong to the series > + "mediatek,mtk-sec-rng" for MediaTek ARMv8 SoCs I thought "mediatek,mtk-sec-rng" is only for those MediaTek ARMv8 SoCs with security RNG > + > +Optional properties: > - clocks : list of clock specifiers, corresponding to > entries in clock-names property; > - clock-names : Should contain "rng" entries; > @@ -19,3 +22,7 @@ rng: rng@1020f000 { > clocks = <&infracfg CLK_INFRA_TRNG>; > clock-names = "rng"; > }; For those MediaTek ARMv8 SoCs with security RNG > + > +hwrng: hwrng { > + compatible = "mediatek,mtk-sec-rng"; > +}; > -- > 1.7.9.5 >