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[03/26] dt-bindings: net: Add support for QMC HDLC

Message ID 20230725092417.43706-4-herve.codina@bootlin.com
State New
Headers show
Series [01/26] soc: fsl: cpm1: qmc: Fix rx channel reset | expand

Commit Message

Herve Codina July 25, 2023, 9:23 a.m. UTC 
The QMC (QUICC mutichannel controller) is a controller present in some
PowerQUICC SoC such as MPC885.
The QMC HDLC uses the QMC controller to transfer HDLC data.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
---
 .../devicetree/bindings/net/fsl,qmc-hdlc.yaml | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml b/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml
new file mode 100644
index 000000000000..8bb6f34602d9
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml
@@ -0,0 +1,41 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/fsl,qmc-hdlc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: QMC HDLC
+
+maintainers:
+  - Herve Codina <herve.codina@bootlin.com>
+
+description: |
+  The QMC HDLC uses a QMC (QUICC Multichannel Controller) channel to transfer
+  HDLC data.
+
+properties:
+  compatible:
+    const: fsl,qmc-hdlc
+
+  fsl,qmc-chan:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to QMC node
+          - description: Channel number
+    description:
+      Should be a phandle/number pair. The phandle to QMC node and the QMC
+      channel to use.
+
+required:
+  - compatible
+  - fsl,qmc-chan
+
+additionalProperties: false
+
+examples:
+  - |
+    hdlc {
+        compatible = "fsl,qmc-hdlc";
+        fsl,qmc-chan = <&qmc 16>;
+    };