| Message ID | c750e786ad0f529d2ae63c8f766d3c294808ff53.1676467500.git.daniel@makrotopia.org |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] hwrng: add driver for MediaTek TRNG SMC | expand |
On 15/02/2023 14:27, Daniel Golle wrote: > Add documentation to describe the MediaTek true random number generator > which is provided by ARM TrustedFirmware-A of the MT7981. > > Signed-off-by: Daniel Golle <daniel@makrotopia.org> > --- > .../bindings/rng/mediatek,mt7981-rng.yaml | 39 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 40 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml > > diff --git a/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml > new file mode 100644 > index 000000000000..d577d60538d8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml > @@ -0,0 +1,39 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/rng/mediatek,mt7981-rng.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek Random number generator (v2/SMC) > + > +maintainers: > + - Daniel Golle <daniel@makrotopia.org> > + > +properties: > + $nodename: > + pattern: "^rng$" 1. We don't enforce it in device bindings, so drop it. 2. It's not even correct. You have reg. > + > + compatible: > + enum: > + - mediatek,mt7981-rng > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: rng Drop clock-names and rely on index. > + > +required: > + - compatible and reg? > + > +additionalProperties: false > + > +examples: > + - | > + rng { > + compatible = "mediatek,mt7981-rng"; > + }; Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml new file mode 100644 index 000000000000..d577d60538d8 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/mediatek,mt7981-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Random number generator (v2/SMC) + +maintainers: + - Daniel Golle <daniel@makrotopia.org> + +properties: + $nodename: + pattern: "^rng$" + + compatible: + enum: + - mediatek,mt7981-rng + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: rng + +required: + - compatible + +additionalProperties: false + +examples: + - | + rng { + compatible = "mediatek,mt7981-rng"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 90d82aba6d73..523f1abf00d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13148,6 +13148,7 @@ F: drivers/leds/leds-mt6323.c MEDIATEK RANDOM NUMBER GENERATOR SUPPORT M: Sean Wang <sean.wang@mediatek.com> S: Maintained +F: Documentation/devicetree/bindings/rng/mediatek,* F: drivers/char/hw_random/mtk-rng-v2.c F: drivers/char/hw_random/mtk-rng.c
Add documentation to describe the MediaTek true random number generator which is provided by ARM TrustedFirmware-A of the MT7981. Signed-off-by: Daniel Golle <daniel@makrotopia.org> --- .../bindings/rng/mediatek,mt7981-rng.yaml | 39 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml