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From:   <conor.dooley@microchip.com>
To:     <linus.walleij@linaro.org>, <bgolaszewski@baylibre.com>,
        <robh+dt@kernel.org>, <jassisinghbrar@gmail.com>,
        <paul.walmsley@sifive.com>, <palmer@dabbelt.com>,
        <aou@eecs.berkeley.edu>, <a.zummo@towertech.it>,
        <alexandre.belloni@bootlin.com>, <broonie@kernel.org>,
        <gregkh@linuxfoundation.org>, <lewis.hanly@microchip.com>,
        <conor.dooley@microchip.com>, <daire.mcnamara@microchip.com>,
        <atish.patra@wdc.com>, <ivan.griffin@microchip.com>,
        <linux-gpio@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-i2c@vger.kernel.org>,
        <linux-riscv@lists.infradead.org>, <linux-crypto@vger.kernel.org>,
        <linux-rtc@vger.kernel.org>, <linux-spi@vger.kernel.org>,
        <linux-usb@vger.kernel.org>
CC:     <krzysztof.kozlowski@canonical.com>, <geert@linux-m68k.org>,
        <bin.meng@windriver.com>
Subject: [PATCH 06/13] dt-bindings: rng: add bindings for microchip mpfs rng
Date:   Mon, 8 Nov 2021 15:05:47 +0000
Message-ID: <20211108150554.4457-7-conor.dooley@microchip.com>
In-Reply-To: <20211108150554.4457-1-conor.dooley@microchip.com>
References: <20211108150554.4457-1-conor.dooley@microchip.com>
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From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the hardware rng device accessed via
the system services on the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../bindings/rng/microchip,mpfs-rng.yaml      | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml
new file mode 100644
index 000000000000..e8ecb3538a86
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/rng/microchip,mpfs-rng.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip MPFS random number generator
+
+maintainers:
+  - Conor Dooley <conor.dooley@microchip.com>
+
+properties:
+  compatible:
+    const: microchip,polarfire-soc-rng
+
+  syscontroller:
+    maxItems: 1
+    description: name of the system controller device node
+
+required:
+  - compatible
+  - "syscontroller"
+
+additionalProperties: false
+
+examples:
+  - |
+    hwrandom: hwrandom {
+        compatible = "microchip,polarfire-soc-rng";
+        syscontroller = <&syscontroller>;
+    };
-- 
2.33.1