From 937264905aa21655cb1142146997f211153e6e27 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Tue, 25 May 2021 10:48:46 +0200
Subject: crypto: ixp4xx - Add DT bindings

This adds device tree bindings for the ixp4xx crypto engine.

Cc: Corentin Labbe <clabbe@baylibre.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 .../bindings/crypto/intel,ixp4xx-crypto.yaml       | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/intel,ixp4xx-crypto.yaml

(limited to 'Documentation/devicetree/bindings/crypto')

diff --git a/Documentation/devicetree/bindings/crypto/intel,ixp4xx-crypto.yaml b/Documentation/devicetree/bindings/crypto/intel,ixp4xx-crypto.yaml
new file mode 100644
index 000000000000..9c53c27bd20a
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/intel,ixp4xx-crypto.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2018 Linaro Ltd.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/crypto/intel,ixp4xx-crypto.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Intel IXP4xx cryptographic engine
+
+maintainers:
+  - Linus Walleij <linus.walleij@linaro.org>
+
+description: |
+  The Intel IXP4xx cryptographic engine makes use of the IXP4xx NPE
+  (Network Processing Engine). Since it is not a device on its own
+  it is defined as a subnode of the NPE, if crypto support is
+  available on the platform.
+
+properties:
+  compatible:
+    const: intel,ixp4xx-crypto
+
+  intel,npe-handle:
+    $ref: '/schemas/types.yaml#/definitions/phandle-array'
+    maxItems: 1
+    description: phandle to the NPE this crypto engine is using, the cell
+      describing the NPE instance to be used.
+
+  queue-rx:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
+    description: phandle to the RX queue on the NPE, the cell describing
+      the queue instance to be used.
+
+  queue-txready:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
+    description: phandle to the TX READY queue on the NPE, the cell describing
+      the queue instance to be used.
+
+required:
+  - compatible
+  - intel,npe-handle
+  - queue-rx
+  - queue-txready
+
+additionalProperties: false
-- 
cgit