linux-kernel - [PATCH] dt-bindings: rng: Add Marvell Armada RNG support

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Message-ID: <20241014185457.1827734-1-robh@kernel.org>
Date: Mon, 14 Oct 2024 13:54:57 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Olivia Mackall <olivia@...enic.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jayesh Choudhary <j-choudhary@...com>
Cc: linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: rng: Add Marvell Armada RNG support

The Marvell Armada RNG uses the same IP as TI from Inside Secure and is
already using the binding. The only missing part is the
"marvell,armada-8k-rng" compatible string.

Rename the binding to inside-secure,safexcel-eip76.yaml to better
reflect it is multi-vendor, licensed IP and to follow the naming
convention using compatible string.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 ...g.yaml => inside-secure,safexcel-eip76.yaml} | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)
 rename Documentation/devicetree/bindings/rng/{omap_rng.yaml => inside-secure,safexcel-eip76.yaml} (79%)

diff --git a/Documentation/devicetree/bindings/rng/omap_rng.yaml b/Documentation/devicetree/bindings/rng/inside-secure,safexcel-eip76.yaml
similarity index 79%
rename from Documentation/devicetree/bindings/rng/omap_rng.yaml
rename to Documentation/devicetree/bindings/rng/inside-secure,safexcel-eip76.yaml
index c0ac4f68ea54..0877eb44f9ed 100644
--- a/Documentation/devicetree/bindings/rng/omap_rng.yaml
+++ b/Documentation/devicetree/bindings/rng/inside-secure,safexcel-eip76.yaml
@@ -1,20 +1,25 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/rng/omap_rng.yaml#
+$id: http://devicetree.org/schemas/rng/inside-secure,safexcel-eip76.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: OMAP SoC and Inside-Secure HWRNG Module
+title: Inside-Secure HWRNG Module
 
 maintainers:
   - Jayesh Choudhary <j-choudhary@...com>
 
 properties:
   compatible:
-    enum:
-      - ti,omap2-rng
-      - ti,omap4-rng
-      - inside-secure,safexcel-eip76
+    oneOf:
+      - enum:
+          - ti,omap2-rng
+          - ti,omap4-rng
+          - inside-secure,safexcel-eip76
+      - items:
+          - enum:
+              - marvell,armada-8k-rng
+          - const: inside-secure,safexcel-eip76
 
   ti,hwmods:
     const: rng
-- 
2.45.2