linux-kernel - [RESEND PATCH 1/6] dt-bindings: can: Document devicetree bindings for MCP25XXFD

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Date:   Wed, 10 Jun 2020 13:17:06 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     wg@...ndegger.com, mkl@...gutronix.de, robh+dt@...nel.org
Cc:     kernel@...tin.sperl.org, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [RESEND PATCH 1/6] dt-bindings: can: Document devicetree bindings for MCP25XXFD

From: Martin Sperl <kernel@...tin.sperl.org>

Add devicetree YAML bindings for Microchip MCP25XXFD CAN controller.

Signed-off-by: Martin Sperl <kernel@...tin.sperl.org>
[mani: converted to YAML binding]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 .../bindings/net/can/microchip,mcp25xxfd.yaml | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.yaml

diff --git a/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.yaml b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.yaml
new file mode 100644
index 000000000000..7b87ec328515
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/can/microchip,mcp25xxfd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MCP25XXFD stand-alone CAN controller binding
+
+maintainers:
+  -  Martin Sperl <kernel@...tin.sperl.org>
+  -  Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
+
+properties:
+  compatible:
+    const: microchip,mcp2517fd
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  vdd-supply:
+    description: Regulator that powers the CAN controller
+
+  xceiver-supply:
+    description: Regulator that powers the CAN transceiver
+
+  microchip,clock-out-div:
+    description: Clock output pin divider
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 4, 10]
+    default: 10
+
+  microchip,clock-div2:
+    description: Divide the internal clock by 2
+    type: boolean
+
+  microchip,gpio-open-drain:
+    description: Enable open-drain for all pins
+    type: boolean
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+  - gpio-controller
+  - vdd-supply
+  - xceiver-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+           #address-cells = <1>;
+           #size-cells = <0>;
+
+           can0: can@1 {
+                   compatible = "microchip,mcp2517fd";
+                   reg = <1>;
+                   clocks = <&clk24m>;
+                   interrupt-parent = <&gpio4>;
+                   interrupts = <13 0x8>;
+                   vdd-supply = <&reg5v0>;
+                   xceiver-supply = <&reg5v0>;
+                   gpio-controller;
+                   #gpio-cells = <2>;
+           };
+    };
+
+...
-- 
2.17.1