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

Herve Codina
2023-07-25T09:25:32Z

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

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>;
+ };
--
2.41.0