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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Date:   Fri, 11 Aug 2023 22:50:56 +0200
Subject: [PATCH 1/3] dt-bindings: crypto: qcom,prng: Add SM8450
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Message-Id: <20230811-topic-8450_prng-v1-1-01becceeb1ee@linaro.org>
References: <20230811-topic-8450_prng-v1-0-01becceeb1ee@linaro.org>
In-Reply-To: <20230811-topic-8450_prng-v1-0-01becceeb1ee@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "David S. Miller" <davem@davemloft.net>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Vinod Koul <vkoul@kernel.org>
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Konrad Dybcio <konrad.dybcio@linaro.org>
Precedence: bulk

SM8450's PRNG does not require a core clock reference. Add a new
compatible with a qcom,prng-ee fallback and handle that.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 .../devicetree/bindings/crypto/qcom,prng.yaml      | 24 +++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
index bb42f4588b40..36b0ebd9a44b 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-prng-ee
+          - const: qcom,prng-ee
 
   reg:
     maxItems: 1
@@ -28,8 +32,18 @@ properties:
 required:
   - compatible
   - reg
-  - clocks
-  - clock-names
+
+allOf:
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: qcom,sm8450-prng-ee
+    then:
+      required:
+        - clocks
+        - clock-names
 
 additionalProperties: false
 

-- 
2.41.0