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@xxxxxxxxxxxxxx> --- .../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@xxxxxxxxxxxxxx> + +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@xxxxxxxxxxxx> 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 -- 2.39.1