linux-kernel - [PATCH 1/8] dt-bindings: rng: apm,x-gene-rng: convert APM RNG to dtschema

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Message-Id: <20211227183251.132525-1-krzysztof.kozlowski@canonical.com>
Date:   Mon, 27 Dec 2021 19:32:44 +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 1/8] dt-bindings: rng: apm,x-gene-rng: convert APM RNG to dtschema

Convert the APM X-Gene RNG bindings to DT schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 .../devicetree/bindings/rng/apm,rng.txt       | 17 -------
 .../bindings/rng/apm,x-gene-rng.yaml          | 47 +++++++++++++++++++
 2 files changed, 47 insertions(+), 17 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/apm,rng.txt
 create mode 100644 Documentation/devicetree/bindings/rng/apm,x-gene-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/apm,rng.txt b/Documentation/devicetree/bindings/rng/apm,rng.txt
deleted file mode 100644
index 4dde4b06cdd9..000000000000
--- a/Documentation/devicetree/bindings/rng/apm,rng.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-APM X-Gene SoC random number generator.
-
-Required properties:
-
-- compatible  : should be "apm,xgene-rng"
-- reg         : specifies base physical address and size of the registers map
-- clocks      : phandle to clock-controller plus clock-specifier pair
-- interrupts  : specify the fault interrupt for the RNG device
-
-Example:
-
-	rng: rng@...20000 {
-		compatible = "apm,xgene-rng";
-		reg = <0x0 0x10520000 0x0 0x100>;
-		interrupts =   <0x0 0x41 0x4>;
-		clocks = <&rngpkaclk 0>;
-	};
diff --git a/Documentation/devicetree/bindings/rng/apm,x-gene-rng.yaml b/Documentation/devicetree/bindings/rng/apm,x-gene-rng.yaml
new file mode 100644
index 000000000000..02be143cc829
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/apm,x-gene-rng.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/apm,x-gene-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: APM X-Gene SoC Random Number Generator
+
+maintainers:
+  - Khuong Dinh <khuong@...amperecomputing.com>
+
+properties:
+  compatible:
+    const: apm,xgene-rng
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+  - interrupts
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        rng@...20000 {
+            compatible = "apm,xgene-rng";
+            reg = <0x0 0x10520000 0x0 0x100>;
+            interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&rngpkaclk 0>;
+        };
+    };
-- 
2.32.0