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    Subject[PATCH 2/2] dt-bindings: rng: Add MediaTek MT7981 TRNG
    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:
    + $nodename:
    + pattern: "^rng$"
    +
    + 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

    --
    2.39.1
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