[PATCH net-next v2 1/8] dt-bindings: net: ti,rpmsg-eth: Add DT binding for RPMSG ETH
From: MD Danish Anwar <danishanwar@ti.com>
Date: 2025-09-02 09:08:43
Also in:
linux-arm-kernel, linux-devicetree, linux-doc, linux-remoteproc, lkml
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add device tree binding documentation for Texas Instruments RPMsg Ethernet channels. This binding describes the shared memory communication interface between host processor and a remote processor for Ethernet packet exchange. The binding defines the required 'memory-region' property that references the dedicated shared memory area used for exchanging Ethernet packets between processors. Signed-off-by: MD Danish Anwar <danishanwar@ti.com> --- .../devicetree/bindings/net/ti,rpmsg-eth.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml
diff --git a/Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml b/Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml
new file mode 100644
index 000000000000..1c86d5c020b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml@@ -0,0 +1,38 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ti,rpmsg-eth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments RPMsg channel nodes for Ethernet communication + +description: | + RPMsg Ethernet subnode represents the communication interface between host + processor and a remote processor. + +maintainers: + - MD Danish Anwar <danishanwar@ti.com> + +properties: + memory-region: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Phandle to the shared memory region used for communication between the + host processor and the remote processor. + This shared memory region is used to exchange Ethernet packets. + +required: + - memory-region + +additionalProperties: false + +examples: + - | + main_r5fss0_core0 { + mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>; + memory-region = <&main_r5fss0_core0_dma_memory_region>, + <&main_r5fss0_core0_memory_region>; + rpmsg-eth { + memory-region = <&main_r5fss0_core0_memory_region_shm>; + }; + };
--
2.34.1