linux-kernel - [PATCH 1/2] dt-bindings: rng: mediatek: convert to yaml schema

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Message-Id: <20210518112250.2146819-1-fparent@baylibre.com>
Date:   Tue, 18 May 2021 13:22:49 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>
Cc:     mkorpershoek@...libre.com, Fabien Parent <fparent@...libre.com>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: rng: mediatek: convert to yaml schema

Convert the RNG binding for MediaTek to use YAML schema.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---
 .../devicetree/bindings/rng/mtk-rng.txt       | 22 --------
 .../devicetree/bindings/rng/mtk-rng.yaml      | 53 +++++++++++++++++++
 2 files changed, 53 insertions(+), 22 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/mtk-rng.txt
 create mode 100644 Documentation/devicetree/bindings/rng/mtk-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.txt b/Documentation/devicetree/bindings/rng/mtk-rng.txt
deleted file mode 100644
index dfdcb5cd2ea8..000000000000
--- a/Documentation/devicetree/bindings/rng/mtk-rng.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Device-Tree bindings for Mediatek random number generator
-found in MediaTek SoC family
-
-Required properties:
-- compatible	    : Should be
-			"mediatek,mt7622-rng", 	"mediatek,mt7623-rng" : for MT7622
-			"mediatek,mt7629-rng",  "mediatek,mt7623-rng" : for MT7629
-			"mediatek,mt7623-rng" : for MT7623
-			"mediatek,mt8516-rng", "mediatek,mt7623-rng" : for MT8516
-- clocks	    : list of clock specifiers, corresponding to
-		      entries in clock-names property;
-- clock-names	    : Should contain "rng" entries;
-- reg 		    : Specifies base physical address and size of the registers
-
-Example:
-
-rng: rng@...0f000 {
-	compatible = "mediatek,mt7623-rng";
-	reg = <0 0x1020f000 0 0x1000>;
-	clocks = <&infracfg CLK_INFRA_TRNG>;
-	clock-names = "rng";
-};
diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.yaml b/Documentation/devicetree/bindings/rng/mtk-rng.yaml
new file mode 100644
index 000000000000..d9731f0ae47d
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/mtk-rng.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/rng/mtk-rng.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek Random number generator
+
+maintainers:
+  - Sean Wang <sean.wang@...iatek.com>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt7623-rng
+      - items:
+          - const: mediatek,mt7622-rng
+          - const: mediatek,mt7623-rng
+      - items:
+          - const: mediatek,mt7629-rng
+          - const: mediatek,mt7623-rng
+      - items:
+          - const: mediatek,mt8516-rng
+          - const: mediatek,mt7623-rng
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: rng
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt2701-clk.h>
+    rng: rng@...0f000 {
+            compatible = "mediatek,mt7623-rng";
+            reg = <0x1020f000 0x1000>;
+            clocks = <&infracfg CLK_INFRA_TRNG>;
+            clock-names = "rng";
+    };
-- 
2.31.1