From abef60363d8ecac66e45853f328afa8eeb9e00fd Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 23 Jun 2020 12:14:59 +0200
Subject: dts: update to v5.8-rc1

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 dts/Bindings/rng/arm-cctrng.yaml | 52 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 dts/Bindings/rng/arm-cctrng.yaml

(limited to 'dts/Bindings/rng')

diff --git a/dts/Bindings/rng/arm-cctrng.yaml b/dts/Bindings/rng/arm-cctrng.yaml
new file mode 100644
index 0000000000..c471e4c105
--- /dev/null
+++ b/dts/Bindings/rng/arm-cctrng.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/arm-cctrng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm TrustZone CryptoCell TRNG engine
+
+maintainers:
+  - Hadar Gat <hadar.gat@arm.com>
+
+description: |+
+  Arm TrustZone CryptoCell TRNG (True Random Number Generator) engine.
+
+properties:
+  compatible:
+    enum:
+      - arm,cryptocell-713-trng
+      - arm,cryptocell-703-trng
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  arm,rosc-ratio:
+    description:
+      Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators.
+      Sampling ratio values for these 4 ring oscillators. (from calibration)
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 4
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - interrupts
+  - reg
+  - arm,rosc-ratio
+
+additionalProperties: false
+
+examples:
+  - |
+    arm_cctrng: rng@60000000 {
+        compatible = "arm,cryptocell-713-trng";
+        interrupts = <0 29 4>;
+        reg = <0x60000000 0x10000>;
+        arm,rosc-ratio = <5000 1000 500 0>;
+    };
-- 
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