netdev - [RFC PATCH net-next 04/12] dt-bindings: reset: Add lan966x switch reset bindings

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Message-ID: <20210920095218.1108151-5-horatiu.vultur@microchip.com>
Date:   Mon, 20 Sep 2021 11:52:10 +0200
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
        <andrew@...n.ch>, <linux@...linux.org.uk>, <f.fainelli@...il.com>,
        <alexandre.belloni@...tlin.com>, <vladimir.oltean@....com>,
        <UNGLinuxDriver@...rochip.com>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <linux-pm@...r.kernel.org>
CC:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [RFC PATCH net-next 04/12] dt-bindings: reset: Add lan966x switch reset bindings

Document the lan966x switch reset device driver bindings

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 .../bindings/reset/lan966x,rst.yaml           | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/lan966x,rst.yaml

diff --git a/Documentation/devicetree/bindings/reset/lan966x,rst.yaml b/Documentation/devicetree/bindings/reset/lan966x,rst.yaml
new file mode 100644
index 000000000000..97d6334e4e0a
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/lan966x,rst.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reset/lan966x,rst.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip lan966x Switch Reset Controller
+
+maintainers:
+  - Horatiu Vultur <horatiu.vultur@...rochip.com>
+  - UNGLinuxDriver@...rochip.com
+
+description: |
+  The Microchip lan966x Switch provides reset control and implements the
+  following
+  functions
+    - One Time Switch Core Reset (Soft Reset)
+
+properties:
+  $nodename:
+    pattern: "^reset-controller$"
+
+  compatible:
+    const: microchip,lan966x-switch-reset
+
+  "#reset-cells":
+    const: 1
+
+  cpu-syscon:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: syscon used to access CPU reset
+
+  switch-syscon:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: syscon used to access SWITCH reset
+
+  chip-syscon:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: syscon used to access CHIP reset
+
+required:
+  - compatible
+  - "#reset-cells"
+  - cpu-syscon
+  - switch-syscon
+  - chip-syscon
+
+additionalProperties: false
+
+examples:
+  - |
+    reset: reset-controller {
+        compatible = "microchip,lan966x-switch-reset";
+        #reset-cells = <1>;
+        cpu-syscon = <&cpu_ctrl>;
+        switch-syscon = <&switch_ctrl>;
+        chip-syscon = <&chip_ctrl>;
+    };
-- 
2.31.1