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author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-06-23 12:14:59 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-07-05 20:49:06 +0200 |
commit | abef60363d8ecac66e45853f328afa8eeb9e00fd (patch) | |
tree | c7d6f1dcf0ef5154b9182da86f1acad048cb7da1 /dts/Bindings/rng | |
parent | e307bc559a2830b7f695150212ea1b26cdca69fb (diff) | |
download | barebox-abef60363d8ecac66e45853f328afa8eeb9e00fd.tar.gz barebox-abef60363d8ecac66e45853f328afa8eeb9e00fd.tar.xz |
dts: update to v5.8-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/rng')
-rw-r--r-- | dts/Bindings/rng/arm-cctrng.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dts/Bindings/rng/arm-cctrng.yaml b/dts/Bindings/rng/arm-cctrng.yaml new file mode 100644 index 0000000000..c471e4c105 --- /dev/null +++ b/dts/Bindings/rng/arm-cctrng.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/arm-cctrng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm TrustZone CryptoCell TRNG engine + +maintainers: + - Hadar Gat <hadar.gat@arm.com> + +description: |+ + Arm TrustZone CryptoCell TRNG (True Random Number Generator) engine. + +properties: + compatible: + enum: + - arm,cryptocell-713-trng + - arm,cryptocell-703-trng + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + arm,rosc-ratio: + description: + Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators. + Sampling ratio values for these 4 ring oscillators. (from calibration) + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 4 + + clocks: + maxItems: 1 + +required: + - compatible + - interrupts + - reg + - arm,rosc-ratio + +additionalProperties: false + +examples: + - | + arm_cctrng: rng@60000000 { + compatible = "arm,cryptocell-713-trng"; + interrupts = <0 29 4>; + reg = <0x60000000 0x10000>; + arm,rosc-ratio = <5000 1000 500 0>; + }; |