linux-kernel - [PATCH] dt-bindings: crypto: convert Qualcomm PRNG to yaml

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Message-Id: <20211220184355.86582-1-david@ixit.cz>
Date:   Mon, 20 Dec 2021 19:43:55 +0100
From:   David Heidelberg <david@...t.cz>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>
Cc:     ~okias/devicetree@...ts.sr.ht, David Heidelberg <david@...t.cz>,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: crypto: convert Qualcomm PRNG to yaml

Convert Qualcomm PRNG documentation to yaml format.

Signed-off-by: David Heidelberg <david@...t.cz>
---
 .../devicetree/bindings/crypto/qcom,prng.txt  | 19 --------
 .../devicetree/bindings/crypto/qcom,prng.yaml | 43 +++++++++++++++++++
 2 files changed, 43 insertions(+), 19 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/crypto/qcom,prng.txt
 create mode 100644 Documentation/devicetree/bindings/crypto/qcom,prng.yaml

diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.txt b/Documentation/devicetree/bindings/crypto/qcom,prng.txt
deleted file mode 100644
index 7ee0e9eac973..000000000000
--- a/Documentation/devicetree/bindings/crypto/qcom,prng.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-Qualcomm MSM pseudo random number generator.
-
-Required properties:
-
-- compatible  : should be "qcom,prng" for 8916 etc
-              : should be "qcom,prng-ee" for 8996 and later using EE
-		(Execution Environment) slice of prng
-- reg         : specifies base physical address and size of the registers map
-- clocks      : phandle to clock-controller plus clock-specifier pair
-- clock-names : "core" clocks all registers, FIFO and circuits in PRNG IP block
-
-Example:
-
-	rng@...ff000 {
-		compatible = "qcom,prng";
-		reg = <0xf9bff000 0x200>;
-		clocks = <&clock GCC_PRNG_AHB_CLK>;
-		clock-names = "core";
-	};
diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
new file mode 100644
index 000000000000..bb42f4588b40
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/qcom,prng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Pseudo Random Number Generator
+
+maintainers:
+  - Vinod Koul <vkoul@...nel.org>
+
+properties:
+  compatible:
+    enum:
+      - qcom,prng  # 8916 etc.
+      - qcom,prng-ee  # 8996 and later using EE
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: core
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    rng@...ff000 {
+        compatible = "qcom,prng";
+        reg = <0xf9bff000 0x200>;
+        clocks = <&clk 125>;
+        clock-names = "core";
+    };
-- 
2.34.1