| Message ID | 1558946326-13630-3-git-send-email-neal.liu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | MediaTek Security random number generator support | expand |
Hi, Neal On Mon, May 27, 2019 at 1:39 AM Neal Liu <neal.liu@mediatek.com> wrote: > > Document the binding used by the MediaTek ARMv8 SoCs random > number generator with TrustZone enabled. > > Signed-off-by: Neal Liu <neal.liu@mediatek.com> > --- > 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 >
Hi Sean, On Thu, 2019-05-30 at 15:56 -0700, Sean Wang wrote: > Hi, Neal > > On Mon, May 27, 2019 at 1:39 AM Neal Liu <neal.liu@mediatek.com> wrote: > > > > Document the binding used by the MediaTek ARMv8 SoCs random > > number generator with TrustZone enabled. > > > > Signed-off-by: Neal Liu <neal.liu@mediatek.com> > > --- > > 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 There are some unused spaces and symbols. We try to align coding style with other bindings. > > > + "mediatek,mtk-sec-rng" for MediaTek ARMv8 SoCs > > I thought "mediatek,mtk-sec-rng" is only for those MediaTek ARMv8 SoCs > with security RNG Yes, sure. It's better to describe with "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 Are you suggesting we create a new binding file with security RNG? > > > + > > +hwrng: hwrng { > > + compatible = "mediatek,mtk-sec-rng"; > > +}; > > -- > > 1.7.9.5 > >
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 + "mediatek,mtk-sec-rng" for MediaTek ARMv8 SoCs + +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"; }; + +hwrng: hwrng { + compatible = "mediatek,mtk-sec-rng"; +};
Document the binding used by the MediaTek ARMv8 SoCs random number generator with TrustZone enabled. Signed-off-by: Neal Liu <neal.liu@mediatek.com> --- Documentation/devicetree/bindings/rng/mtk-rng.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)