netdev - [PATCH net-next 15/22] dt-bindings: can: mpfs: document the mpfs CAN controller

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Date:   Sat, 25 Jun 2022 14:03:28 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Conor Dooley <conor.dooley@...rochip.com>,
        Rob Herring <robh@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 15/22] dt-bindings: can: mpfs: document the mpfs CAN controller

From: Conor Dooley <conor.dooley@...rochip.com>

Add a binding for the CAN controller on PolarFire SoC (MPFS).

A data sheet and a register map can be downloaded at:

| https://www.microsemi.com/document-portal/doc_download/1245725-polarfire-soc-fpga-mss-technical-reference-manual
| https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map

An alternative location for the register map is:

| http://web.archive.org/web/20220403030214/https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map

Link: https://lore.kernel.org/all/20220607065459.2035746-2-conor.dooley@microchip.com
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
Reviewed-by: Rob Herring <robh@...nel.org>
[mkl: add link to data sheet and register map]
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 .../bindings/net/can/microchip,mpfs-can.yaml  | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml

diff --git a/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml b/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
new file mode 100644
index 000000000000..45aa3de7cf01
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/can/microchip,mpfs-can.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title:
+  Microchip PolarFire SoC (MPFS) can controller
+
+maintainers:
+  - Conor Dooley <conor.dooley@...rochip.com>
+
+allOf:
+  - $ref: can-controller.yaml#
+
+properties:
+  compatible:
+    const: microchip,mpfs-can
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    can@...0c000 {
+        compatible = "microchip,mpfs-can";
+        reg = <0x2010c000 0x1000>;
+        clocks = <&clkcfg 17>;
+        interrupt-parent = <&plic>;
+        interrupts = <56>;
+    };
-- 
2.35.1