linux-kernel - [PATCH 2/3] dt-bindings: rng: document Silex Insight BA431 hwrng

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Date:   Mon, 25 May 2020 21:56:05 +0200
From:   Olivier Sobrie <olivier.sobrie@...exinsight.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Olivier Sobrie <olivier.sobrie@...exinsight.com>,
        Waleed Ziad <waleed94ziad@...il.com>,
        sebastien.rabou@...exinsight.com
Subject: [PATCH 2/3] dt-bindings: rng: document Silex Insight BA431 hwrng

This patch documents the device tree bindings of the BA431 hardware
random number generator.

This IP is for instance present in the Viper OEM boards sold by Silex
Insight.

Signed-off-by: Olivier Sobrie <olivier.sobrie@...exinsight.com>
---
 .../bindings/rng/silex-insight,ba431-rng.yaml | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml b/Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml
new file mode 100644
index 0000000000000..48ab82abf50ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/silex-insight,ba431-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silex Insight BA431 RNG bindings
+
+description: |
+  The BA431 hardware random number generator is an IP that is FIPS-140-2/3
+  certified.
+
+maintainers:
+  - Olivier Sobrie <olivier.sobrie@...exinsight.com>
+
+properties:
+  compatible:
+    const: silex-insight,ba431-rng
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    rng@...00000 {
+      compatible = "silex-insight,ba431-rng";
+      reg = <0x42800000 0x1000>;
+    };
+
+...
-- 
2.26.2