Hi Krzysztof, On 03/09/25 12:48 pm, Krzysztof Kozlowski wrote: > On Tue, Sep 02, 2025 at 02:37:39PM +0530, MD Danish Anwar wrote: >> 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 <danishan...@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 <danishan...@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 > > This cannot be really tested and is pointless binding... Really, one > property does not make it a device node. > >
I tried to do something similar to google,cros-ec.yaml and qcom,glink-edge.yaml They are also rpmsg related and used by other vendors. I created similar to that as my use case seems similar to them. The only difference being I only need one property. -- Thanks and Regards, Danish
