linux-kernel - [PATCH v5 1/3] dt-bindings: reset: microchip sparx5 reset driver bindings

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Message-ID: <20210210091952.2013027-2-steen.hegelund@microchip.com>
Date:   Wed, 10 Feb 2021 10:19:50 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        Andrew Lunn <andrew@...n.ch>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH v5 1/3] dt-bindings: reset: microchip sparx5 reset driver bindings

Document the Sparx5 reset device driver bindings

The driver uses two IO ranges on sparx5 for access to
the reset control and the reset status.

Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 .../bindings/reset/microchip,rst.yaml         | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/microchip,rst.yaml

diff --git a/Documentation/devicetree/bindings/reset/microchip,rst.yaml b/Documentation/devicetree/bindings/reset/microchip,rst.yaml
new file mode 100644
index 000000000000..80046172c9f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/microchip,rst.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reset/microchip,rst.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip Sparx5 Switch Reset Controller
+
+maintainers:
+  - Steen Hegelund <steen.hegelund@...rochip.com>
+  - Lars Povlsen <lars.povlsen@...rochip.com>
+
+description: |
+  The Microchip Sparx5 Switch provides reset control and implements the following
+  functions
+    - One Time Switch Core Reset (Soft Reset)
+
+properties:
+  $nodename:
+    pattern: "^reset-controller@[0-9a-f]+$"
+
+  compatible:
+    const: microchip,sparx5-switch-reset
+
+  reg:
+    items:
+      - description: cpu block registers
+      - description: global control block registers
+
+  reg-names:
+    items:
+      - const: cpu
+      - const: gcb
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    reset: reset-controller@0 {
+        compatible = "microchip,sparx5-switch-reset";
+        #reset-cells = <1>;
+        reg = <0x0 0xd0>,
+              <0x11010000 0x10000>;
+        reg-names = "cpu", "gcb";
+    };
+
-- 
2.30.0