linux-kernel - [PATCH v12 17/22] dt-bindings: crypto: amlogic,gxl-crypto: support new SoC's

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Message-Id: <20250624135214.1355051-18-romanov.alexey2000@gmail.com>
Date: Tue, 24 Jun 2025 16:52:09 +0300
From: Alexey Romanov <romanov.alexey2000@...il.com>
To: neil.armstrong@...aro.org,
	clabbe@...libre.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	khilman@...libre.com,
	jbrunet@...libre.com,
	martin.blumenstingl@...glemail.com
Cc: linux-crypto@...r.kernel.org,
	linux-amlogic@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Alexey Romanov <romanov.alexey2000@...il.com>
Subject: [PATCH v12 17/22] dt-bindings: crypto: amlogic,gxl-crypto: support new SoC's

Now crypto module available at G12A/G12B/S4/A1/SM1/AXG.

1. Add new compatibles:
  - amlogic,g12a-crypto
  - amlogic,axg-crypto
  - amlogic,a1-crypto
  - amlogic,s4-crypto (uses a1-crypto as fallback)

Difference between this compatibles:
 * Different registers offset and the number of setup descriptors.
 * GXL doesn't support hashing like the others.
 * G12A/B and A1/S4 crypto HW don't support 192 AES key.
 * GXL, G12A/B and AXG require a reverse IV key before processing.

2. Add power-domains in schema, which is required only for A1.
This is specific vendor design: in old SoC's power domain for
crypto HW was not configurable, but in A1-series it is configurable.

Signed-off-by: Alexey Romanov <romanov.alexey2000@...il.com>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../bindings/crypto/amlogic,gxl-crypto.yaml   | 24 +++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
index fdc39797a2a9..106a9d1fed69 100644
--- a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
+++ b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
@@ -11,8 +11,16 @@ maintainers:
 
 properties:
   compatible:
-    items:
-      - const: amlogic,gxl-crypto
+    oneOf:
+      - items:
+          - enum:
+              - amlogic,s4-crypto
+          - const: amlogic,a1-crypto
+      - enum:
+          - amlogic,gxl-crypto
+          - amlogic,axg-crypto
+          - amlogic,g12a-crypto
+          - amlogic,a1-crypto
 
   reg:
     maxItems: 1
@@ -24,12 +32,24 @@ properties:
   clocks:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
   - interrupts
   - clocks
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          const: amlogic,a1-crypto
+    then:
+      required:
+        - power-domains
+
 additionalProperties: false
 
 examples:
-- 
2.34.1