Re: [PATCH v10 3/4] arm64: dts: imx8mp-skov-revc: convert to overlays

[Krzysztof Kozlowski <krzk@kernel.org>]

On 14/10/2026 07:38, Steffen Trumtrar wrote:
> 
> Hi,
> 
> On 2026-10-13 at 09:31 +02, Krzysztof Kozlowski <krzk@kernel.org> wrote:
> 
>> On Mon, Oct 12, 2026 at 08:30:32AM +0200, Steffen Trumtrar wrote:
>>> The i.MX8MP Skov RevC jutouch 10" and Tian 7" variants are pretty
>>> similar, apart from the Display and touch controller.
>>>
>>> Move the common bindings to imx8mp-skov-revc-touch.dts and convert both
>>> variants to use overlays applied on this base version.
>>>
>>> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
>>> ---
>>>  arch/arm64/boot/dts/freescale/Makefile             |  5 ++
>>>  .../imx8mp-skov-revc-jutouch-jt101tm023.dtso       | 38 ++++++++++
>>>  .../dts/freescale/imx8mp-skov-revc-tian-g07017.dts | 81 ----------------------
>>>  .../freescale/imx8mp-skov-revc-tian-g07017.dtso    | 40 +++++++++++
>>>  ...h-jt101tm023.dts => imx8mp-skov-revc-touch.dts} | 26 +++----
>>>  5 files changed, 91 insertions(+), 99 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
>>> index 475e1ad9116e1..7c1b61249778e 100644
>>> --- a/arch/arm64/boot/dts/freescale/Makefile
>>> +++ b/arch/arm64/boot/dts/freescale/Makefile
>>> @@ -707,6 +707,11 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-mi1010ait-1cp1.dtb
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revc-bd500.dtb
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revc-hdmi.dtb
>>> +
>>> +imx8mp-skov-revc-jutouch-jt101tm023-dtbs += imx8mp-skov-revc-touch.dtb \
>>> +	imx8mp-skov-revc-jutouch-jt101tm023.dtbo
>>> +imx8mp-skov-revc-tian-g07017-dtbs += imx8mp-skov-revc-touch.dtb \
>>> +	imx8mp-skov-revc-tian-g07017.dtbo
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revc-jutouch-jt101tm023.dtb
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revc-tian-g07017.dtb
>>>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-toradex-smarc-dev.dtb
>>> diff --git
>>> a/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-jutouch-jt101tm023.dtso
>>> b/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-jutouch-jt101tm023.dtso
>>> new file mode 100644
>>> index 0000000000000..33ddd08a7adb5
>>> --- /dev/null
>>> +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-revc-jutouch-jt101tm023.dtso
>>
>> I do not understand this. This is a board, so not an overlay.
> 
> yes, that's what I did up until v4. New board with new dts.
> 
> - Link to v4: https://patch.msgid.link/20260706-v7-0-topic-imx8mp-skov-dts-jutouch-7inch-v4-0-dfc0c8827c02@pengutronix.de
> 
> The boards are all very similar apart from the touch panel, but they are all "real" boards and don't share a SOM, so dtsi is also not correct.
> 

So why this is not a DTS?

Best regards,
Krzysztof