Re: [PATCH v5 0/5] arm64: dts: add description for solidrun am642 som and hummingboard evb

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On 2/12/24 10:39 AM, Josua Mayer wrote:
Hi Vignesh,

Am 12.02.24 um 05:10 schrieb Vignesh Raghavendra:
Hi Josua,

On 11/02/24 20:37, Josua Mayer wrote:
This series adds DT bindings and dts descriptions for SolidRun AM642
based SoM and Hummingboard EVB.

Additionally a commit from downstream vendor kernel are included,
enhancing support for pru based ethernet.
I wasn't sure how to properly annotate it in commit description /
signed-off area ...:

1. add description for "Industrial Ethernet Peripherals" (IEP) to am64
    https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/commit/arch/arm64/boot/dts/ti/k3-am64-main.dtsi?h=ti-linux-6.1.y-cicd&id=5afb73d82a014b59462162d960b350b8c58e5ae6
    IEP is already supported in-tree by a driver, and used in
    k3-am65-main.dtsi.

Unfortunately dtbs_check reported many problems, I put some remarks:

- 'mux-controller' does not match any of the regexes
   The expectation seems to be that a mux-controller at minimum has an
   address, something to put behind an @. However this is a gpio mux, not
   sure how to name it better.

I don't see this warning locally. Are you using updated dt-schema?
pip3 install dtschema --upgrade
Defaulting to user installation because normal site-packages is not writeable
Requirement already satisfied: dtschema in ~/.local/lib/python3.11/site-packages (2023.11)

Re-Tested on 6.8-rc1

reg
is not necessary gpio-mux as per gpio-mux.yaml
The error is not about reg property, it is about the node name:

mux-controller {
     compatible = "gpio-mux";
     ...
};

   DTC_CHK arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dtb
.../arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dtb: syscon@43000000: 'mux-controller' does not match any of the regexes: '^chipid@[0-9a-f]+$', '^clock-controller@[0-9a-f]+$', '^mux-controller@[0-9a-f]+$', 'phy@[0-9a-f]+$', 'pinctrl-[0-9]+'
        from schema $id: http://devicetree.org/schemas/mfd/ti,j721e-system-controller.yaml#

This is an existing issue that we are working to fix. Nothing you
can do about it, all boards that include k3-am64-main.dtsi
will have this warning currently.

Andrew


- unevaluated properties: interrupts, interrupt-parent
   sensors and flash yaml are missing interrupt descriptions, but these
   parts definitely have an interrupt signal in this solidrun board.

Please add them to appropriate schema as necessary
Okay.
Looks like it is only two:
.../arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dtb: humidity-sensor@41: 'interrupt-parent', 'interrupts' do not match any of the regexes: 'pinctrl-[0-9]+'
        from schema $id: http://devicetree.org/schemas/iio/humidity/ti,hdc2010.yaml#
.../arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dtb: flash@0: Unevaluated properties are not allowed ('interrupt-parent', 'interrupts' were unexpected)
        from schema $id: http://devicetree.org/schemas/mtd/jedec,spi-nor.yaml#

- wrong names for pinctrl nodes
   Other TI DTSs consistently end with *-pins-default. Should a different
   naming convention be used?

No, pinctrl nodes need to end in -pins. All TI boards have been updated
to new schema [0] and sysconfig tool on dev.ti.com/sysconfig generates
appropriately. Please fix
Okay, will do ...


- cdns,phy-type required property
   inherited from k3-am64-main.dtsi
   there is a PHY_NONE value in dt-bindings/phy/phy.h,
   but not allowed in phy-cadence-torrent.yaml

Sorry, I didnt get what's the issue wrt cdns,phy-type ?
There were two issues, but they both disappeared as per 6.8-rc1 :)


Note, I really don't want to accept patches that add new dtbs_check
issues especially for nodes that already have YAML bindings. Please
update the .yaml files as necessary.
I have succeeded locally getting rid of all but one, the node name of mux-controller mentioned above.
Will include yaml patches in next version.

[0]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a49568115143435390f20965902809471b6f830c






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