| Message ID | 20230824-topic-sm8550-rng-v2-3-dfcafbb16a3e@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: qcom: sm8550: enable RNG | expand |
On 8/24/2023 5:03 PM, Neil Armstrong wrote: > 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> > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> > --- Reviewed-by: Om Prakash Singh <quic_omprsing@quicinc.com>
diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml index bb42f4588b40..4245c9e424a3 100644 --- a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml +++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml @@ -11,9 +11,13 @@ 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: + - const: qcom,sm8450-trng + - const: qcom,trng reg: maxItems: 1 @@ -28,8 +32,18 @@ properties: required: - compatible - reg - - clocks - - clock-names + +allOf: + - if: + not: + properties: + compatible: + contains: + const: qcom,trng + then: + required: + - clocks + - clock-names additionalProperties: false
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> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- .../devicetree/bindings/crypto/qcom,prng.yaml | 24 +++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-)