mbox series

[v2,0/7] arm64: qcom: sm8550: enable RNG

Message ID 20230824-topic-sm8550-rng-v2-0-dfcafbb16a3e@linaro.org
Headers show
Series arm64: qcom: sm8550: enable RNG | expand

Message

Neil Armstrong Aug. 24, 2023, 11:33 a.m. UTC
Enable RNG on SM8550 by reverting the PRNG bindings & DT
for SM8450 and correctly document it as a True Random Number Generator.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
Changes in v2:
- Revert SM8450 DT & bindings
- Add new qcom,trng compatible and use it for SM8450 & SM8550
- Explicitly didn't collect the Reviewed-by tags due to the compatible change
- Link to v1: https://lore.kernel.org/r/20230822-topic-sm8550-rng-v1-0-8e10055165d1@linaro.org

---
Neil Armstrong (7):
      Revert "dt-bindings: crypto: qcom,prng: Add SM8450"
      Revert "arm64: dts: qcom: sm8450: Add PRNG"
      dt-bindings: crypto: qcom,prng: document that RNG on SM8450 is a TRNG
      crypto: qcom-rng - Add support for trng
      dt-bindings: crypto: qcom,prng: document SM8550
      arm64: dts: qcom: sm8550: add TRNG node
      arm64: dts: qcom: sm8450: add TRNG node

 Documentation/devicetree/bindings/crypto/qcom,prng.yaml | 8 +++++---
 arch/arm64/boot/dts/qcom/sm8450.dtsi                    | 2 +-
 arch/arm64/boot/dts/qcom/sm8550.dtsi                    | 5 +++++
 drivers/crypto/qcom-rng.c                               | 1 +
 4 files changed, 12 insertions(+), 4 deletions(-)
---
base-commit: 28c736b0e92e11bfe2b9997688213dc43cb22182
change-id: 20230822-topic-sm8550-rng-c83142783e20

Best regards,

Comments

Konrad Dybcio Aug. 24, 2023, 11:49 a.m. UTC | #1
On 24.08.2023 13:33, Neil Armstrong wrote:
> Add the Qualcomm True Random Number Generator node.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
Om Prakash Singh Aug. 28, 2023, 4:57 a.m. UTC | #2
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>
Om Prakash Singh Aug. 28, 2023, 5:13 a.m. UTC | #3
On 8/24/2023 5:03 PM, Neil Armstrong wrote:
> Document SM8550 compatible for the True Random Number Generator.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
Reviewed-by: Om Prakash Singh <quic_omprsing@quicinc.com>