diff options
| author | Neil Armstrong <neil.armstrong@linaro.org> | 2023-10-03 09:10:19 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-10-13 18:27:27 +0800 |
| commit | 63b299a18694b89d6c814e0d86230d09542bed4c (patch) | |
| tree | 88ec54335911cf9b0f1062142da62056bb84eace | |
| parent | 2c98594373c01739c2a2b3f056b8f2f850c26dc7 (diff) | |
dt-bindings: crypto: qcom,prng: document that RNG on SM8450 is a TRNG
It has been reported at [1] the RNG HW on SM8450 is in fact a True Random
Number Generator and no more Pseudo, document this by adding
a new qcom,trng and the corresponding SoC specific sm8450 compatible.
[1] https://lore.kernel.org/all/20230818161720.3644424-1-quic_omprsing@quicinc.com/
Suggested-by: Om Prakash Singh <quic_omprsing@quicinc.com>
Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Om Prakash Singh <quic_omprsing@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/qcom,prng.yaml | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml index bb42f4588b40..04ddcc0f7165 100644 --- a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml +++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml @@ -11,9 +11,14 @@ maintainers: properties: compatible: - enum: - - qcom,prng # 8916 etc. - - qcom,prng-ee # 8996 and later using EE + oneOf: + - enum: + - qcom,prng # 8916 etc. + - qcom,prng-ee # 8996 and later using EE + - items: + - enum: + - qcom,sm8450-trng + - const: qcom,trng reg: maxItems: 1 @@ -28,8 +33,18 @@ properties: required: - compatible - reg - - clocks - - clock-names + +allOf: + - if: + not: + properties: + compatible: + contains: + const: qcom,trng + then: + required: + - clocks + - clock-names additionalProperties: false |