linux-kernel - [PATCH 6/8] dt-bindings: rng: ti,omap-rom-rng: convert OMAP ROM RNG to dtschema

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Message-Id: <20211227183251.132525-6-krzysztof.kozlowski@canonical.com>
Date:   Mon, 27 Dec 2021 19:32:49 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Khuong Dinh <khuong@...amperecomputing.com>,
        Patrice Chotard <patrice.chotard@...s.st.com>,
        Nishanth Menon <nm@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Pali Rohár <pali@...nel.org>,
        Tony Lindgren <tony@...mide.com>, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, openbmc@...ts.ozlabs.org
Subject: [PATCH 6/8] dt-bindings: rng: ti,omap-rom-rng: convert OMAP ROM RNG to dtschema

Convert the OMAP ROM RNG bindings to DT schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 .../devicetree/bindings/rng/omap3_rom_rng.txt | 27 ------------
 .../bindings/rng/ti,omap-rom-rng.yaml         | 41 +++++++++++++++++++
 2 files changed, 41 insertions(+), 27 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/omap3_rom_rng.txt
 create mode 100644 Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/omap3_rom_rng.txt b/Documentation/devicetree/bindings/rng/omap3_rom_rng.txt
deleted file mode 100644
index f315c9723bd2..000000000000
--- a/Documentation/devicetree/bindings/rng/omap3_rom_rng.txt
+++ /dev/null
@@ -1,27 +0,0 @@
-OMAP ROM RNG driver binding
-
-Secure SoCs may provide RNG via secure ROM calls like Nokia N900 does. The
-implementation can depend on the SoC secure ROM used.
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be "nokia,n900-rom-rng"
-
-- clocks:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: reference to the the RNG interface clock
-
-- clock-names:
-	Usage: required
-	Value type: <stringlist>
-	Definition: must be "ick"
-
-Example:
-
-	rom_rng: rng {
-		compatible = "nokia,n900-rom-rng";
-		clocks = <&rng_ick>;
-		clock-names = "ick";
-	};
diff --git a/Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml b/Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml
new file mode 100644
index 000000000000..9a58440b1ab1
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/ti,omap-rom-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OMAP ROM Random Number Generator
+
+maintainers:
+  - Pali Rohár <pali@...nel.org>
+  - Tony Lindgren <tony@...mide.com>
+
+description:
+  Secure SoCs may provide RNG via secure ROM calls like Nokia N900 does.
+  The implementation can depend on the SoC secure ROM used.
+
+properties:
+  compatible:
+    const: nokia,n900-rom-rng
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ick
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    rng {
+        compatible = "nokia,n900-rom-rng";
+        clocks = <&rng_ick>;
+        clock-names = "ick";
+    };
-- 
2.32.0