linux-kernel - Re: [RFC 2/2] WIP: dt-bindings: omap: Convert omap.txt to yaml

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Message-Id: <2F8C8151-73E4-49A2-B49A-F190AF2F3BFA@goldelico.com>
Date:   Thu, 16 Feb 2023 17:43:35 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Andrew Davis <afd@...com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Colin Foster <colin.foster@...advantage.com>,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS 
        <devicetree@...r.kernel.org>,
        linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-OMAP <linux-omap@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>
Subject: Re: [RFC 2/2] WIP: dt-bindings: omap: Convert omap.txt to yaml

Hi Andrew,

> Am 16.02.2023 um 17:19 schrieb Andrew Davis <afd@...com>:
> 
> On 2/16/23 10:08 AM, H. Nikolaus Schaller wrote:
>> Hi,
>>> Am 16.02.2023 um 16:33 schrieb Andrew Davis <afd@...com>:
>>> 
>>> Signed-off-by: Andrew Davis <afd@...com>
>>> ---
>>> .../devicetree/bindings/arm/omap/omap.yaml    | 174 ++++++++++++++++++
>>> 1 file changed, 174 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/arm/omap/omap.yaml
>>> 
>>> diff --git a/Documentation/devicetree/bindings/arm/omap/omap.yaml b/Documentation/devicetree/bindings/arm/omap/omap.yaml
>>> new file mode 100644
>>> index 0000000000000..cf07a7a7df279
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/arm/omap/omap.yaml
>>> @@ -0,0 +1,174 @@
>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/arm/omap/omap.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Texas Instruments OMAP SoC architecture device tree bindings
>>> +
>>> +maintainers:
>>> +  - Tony Lindgren <tony@...mide.com>
>>> +
>>> +description: |
>>> +  Platforms based on Texas Instruments OMAP SoC architecture.
>>> +
>>> +properties:
>>> +  $nodename:
>>> +    const: '/'
>>> +  compatible:
>>> +    oneOf:
>>> +
>>> +      - description: TI OMAP2420 SoC based platforms
>>> +        items:
>>> +          - enum:
>>> +              - ti,omap2420-h4 # TI OMAP2420 H4 board
>>> +              - nokia,n800 # Nokia N800
>>> +              - nokia,n810 # Nokia N810
>>> +              - nokia,n810-wimax # Nokia N810 WiMax
>>> +          - const: ti,omap2420
>>> +          - const: ti,omap2
>>> +
>>> +      - description: TI OMAP2430 SoC based platforms
>>> +        items:
>>> +          - enum:
>>> +              - ti,omap2430-sdp # TI OMAP2430 SDP
>>> +          - const: ti,omap2430
>>> +          - const: ti,omap2
>>> +
>>> +      - description: TI OMAP3430 SoC based platforms
>>> +        items:
>>> +          - enum:
>>> +              - logicpd,dm3730-som-lv-devkit # LogicPD Zoom OMAP35xx SOM-LV Development Kit
>>> +              - logicpd,dm3730-torpedo-devkit # LogicPD Zoom OMAP35xx Torpedo Development Kit
>>> +              - ti,omap3430-sdp # TI OMAP3430 SDP
>>> +              - ti,omap3-beagle # TI OMAP3 BeagleBoard
>>> +              - compulab,omap3-cm-t3530 # CompuLab CM-T3530
>>> +              - timll,omap3-devkit8000 # TimLL OMAP3 Devkit8000
>>> +              - ti,omap3-evm # TI OMAP35XX EVM (TMDSEVM3530)
>>> +              - ti,omap3-ldp # TI OMAP3430 LDP (Zoom1 Labrador)
>>> +              - nokia,omap3-n900 # Nokia N900
>>> +          - const: ti,omap3430
>>> +          - const: ti,omap3
>>> +
>>> +      - description: TI OMAP3630 SoC based platforms
>>> +        items:
>>> +          - enum:
>>> +              - logicpd,dm3730-som-lv-devkit # LogicPD Zoom DM3730 SOM-LV Development Kit
>>> +              - logicpd,dm3730-torpedo-devkit # LogicPD Zoom DM3730 Torpedo + Wireless Development Kit
>>> +              - ti,omap3-beagle-xm # TI OMAP3 BeagleBoard xM
>>> +              - compulab,omap3-cm-t3730 # CompuLab CM-T3730
>>> +              - amazon,omap3-echo # Amazon Echo (first generation)
>>> +              - ti,omap3-evm-37xx # TI OMAP37XX EVM (TMDSEVM3730)
>>> +              - ti,omap3-gta04 # OMAP3 GTA04
>> precisely the GTA04 was not a TI product, but from Golden Delicious Computers.
>> It got this compatible because it originally shared a lot of device tree with the ti,omap3-beagle-xm.
>> Well, we could add a vendor prefix ("goldelico") and update the device trees to "goldelico,gta04".
>> Generally, there is also the OpenPandora with both OMAP3 variants (3430 and 3630):
>> compatible = "openpandora,omap3-pandora-600mhz", "ti,omap3430", "ti,omap3";
>> compatible = "openpandora,omap3-pandora-1ghz", "ti,omap3630", "ti,omap36xx", "ti,omap3";
>> But it is also missing a vendor prefix. Should I send a patch for both topics?
>> Before the scheme is merged or afterwards?
> 
> I'd suggest we get as many fixes into the actual DT files before the schemas
> are solidified. Doing it after would mean changes in two places vs one.

Ok, I'll prepare and send a patch set asap.

BR and thanks,
Nikolaus