linux-kernel - [PATCH 4/8] dt-bindings: rng: ti,keystone-rng: convert TI Keystone RNG to dtschema

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Message-Id: <20211227183251.132525-4-krzysztof.kozlowski@canonical.com>
Date:   Mon, 27 Dec 2021 19:32:47 +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 4/8] dt-bindings: rng: ti,keystone-rng: convert TI Keystone RNG to dtschema

Convert the TI Keystone RNG bindings to DT schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 .../devicetree/bindings/rng/ks-sa-rng.txt     | 21 --------
 .../bindings/rng/ti,keystone-rng.yaml         | 50 +++++++++++++++++++
 2 files changed, 50 insertions(+), 21 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/ks-sa-rng.txt
 create mode 100644 Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt
deleted file mode 100644
index b7a65b487901..000000000000
--- a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Keystone SoC Hardware Random Number Generator(HWRNG) Module
-
-On Keystone SoCs HWRNG module is a submodule of the Security Accelerator.
-
-- compatible: should be "ti,keystone-rng"
-- ti,syscon-sa-cfg: phandle to syscon node of the SA configuration registers.
-		    This registers are shared between hwrng and crypto drivers.
-- clocks: phandle to the reference clocks for the subsystem
-- clock-names: functional clock name. Should be set to "fck"
-- reg: HWRNG module register space
-
-Example:
-/* K2HK */
-
-rng@...00 {
-	compatible = "ti,keystone-rng";
-	ti,syscon-sa-cfg = <&sa_config>;
-	clocks = <&clksa>;
-	clock-names = "fck";
-	reg = <0x24000 0x1000>;
-};
diff --git a/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml b/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml
new file mode 100644
index 000000000000..e749818fc193
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/ti,keystone-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Keystone SoC Hardware Random Number Generator
+
+maintainers:
+  - Nishanth Menon <nm@...com>
+  - Santosh Shilimkar <ssantosh@...nel.org>
+
+properties:
+  compatible:
+    const: ti,keystone-rng
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: fck
+
+  reg:
+    maxItems: 1
+
+  ti,syscon-sa-cfg:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: |
+      Phandle to syscon node of the SA configuration registers.  These
+      registers are shared between HWRNG and crypto drivers.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - reg
+  - ti,syscon-sa-cfg
+
+additionalProperties: false
+
+examples:
+  - |
+    rng@...00 {
+        compatible = "ti,keystone-rng";
+        ti,syscon-sa-cfg = <&sa_config>;
+        clocks = <&clksa>;
+        clock-names = "fck";
+        reg = <0x24000 0x1000>;
+    };
-- 
2.32.0