On 03/12/2024 05:19, Amirreza Zarrabi wrote: > Introduce qcom,tee compatible string. Why? What is it for? You have entire commit msg for this, instead of repeating subject. A nit, subject: drop second/last, redundant "devicetree binding". The "dt-bindings" prefix is already stating that these are bindings. See also: https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18 Also drop driver, bindings are not for drivers. > > Signed-off-by: Amirreza Zarrabi <quic_azarrabi@xxxxxxxxxxx> > --- > .../devicetree/bindings/arm/firmware/qcom,tee.yaml | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/firmware/qcom,tee.yaml b/Documentation/devicetree/bindings/arm/firmware/qcom,tee.yaml > new file mode 100644 > index 000000000000..43b7e8ac944e > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/firmware/qcom,tee.yaml > @@ -0,0 +1,34 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/arm/firmware/qcom,tee.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm TEE > + > +maintainers: > + - Amirreza Zarrabi <quic_azarrabi@xxxxxxxxxxx> > + > +description: | Do not need '|' unless you need to preserve formatting. > + QTEE is a piece of software provide a Trusted Execution Environment using ARM > + TrustZone for Qualcomm SoC. > + > +properties: > + $nodename: > + const: qcom_tee No, first it is not correct (see coding style), second is not even needed. Drop. > + > + compatible: > + const: qcom,tee One, same interface for all devices? Nothing SoC specific? You are making now a contract, so please carefully analyze it internally what it means. > + > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + firmware { Drop > + qcom_tee { See DTS coding style. Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "qcom,tee"; No resources? Nothing here? What is the point except of instantiating your driver? > + }; > + }; > Best regards, Krzysztof