Re: [PATCH] arm64: dts: imx93-9x9-qsb: Add tianma,tm050rdh03 panel

[Frank Li]

On Wed, Apr 08, 2026 at 04:08:24PM +0800, Liu Ying wrote:
> On Wed, Apr 08, 2026 at 03:58:59AM -0400, Frank Li wrote:
> > On Wed, Apr 08, 2026 at 02:02:54PM +0800, Liu Ying wrote:
> >> Hi Frank,
> >>
> >> On Tue, Apr 07, 2026 at 05:55:29AM -0400, Frank Li wrote:
> >>> On Tue, Apr 07, 2026 at 05:15:31PM +0800, Liu Ying wrote:
> >>>> Support tianma,tm050rdh03 DPI panel on i.MX93 9x9 QSB.
> >>>>
> >>>> The panel connects with the QSB board through an adapter board[1]
> >>>> designed by NXP.
> >>>>
> >>>> Link: https://www.nxp.com/design/design-center/development-boards-and-designs/parallel-lcd-display:TM050RDH03-41 [1]
> >>>> Signed-off-by: Liu Ying <victor.liu@xxxxxxx>
> >>>> ---
> >>>>  arch/arm64/boot/dts/freescale/Makefile             |   2 +
> >>>>  .../imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtsi       | 110 +++++++++++++++++++++
> >>>>  .../imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtso       | 106 +-------------------
> >>>
> >>> Can you add some description about raname in commit message?
> >>
> >> I'll add some description about the file copy in commit message.
> >>
> >>> Use -C option to create patch.
> >>
> >> Will do.
> >>
> >>>
> >>> ...
> >>>> diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-tianma-tm050rdh03.dtso b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-tianma-tm050rdh03.dtso
> >>>> new file mode 100644
> >>>> index 000000000000..c233797ec28c
> >>>> --- /dev/null
> >>>> +++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-tianma-tm050rdh03.dtso
> >>>> @@ -0,0 +1,14 @@
> >>>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> >>>> +/*
> >>>> + * Copyright 2026 NXP
> >>>> + */
> >>>> +
> >>>> +#include <dt-bindings/gpio/gpio.h>
> >>>> +#include "imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtsi"
> >>>> +
> >>>> +&{/} {
> >>>> +	panel {
> >>>> +		compatible = "tianma,tm050rdh03";
> >>>> +		enable-gpios = <&pcal6524 8 GPIO_ACTIVE_HIGH>;
> >>>> +	};
> >>>> +};
> >>>
> >>> Is it possible to appply this overlay file and kd50g21-40nt-a1 overlay file
> >>>
> >>> to imx93-9x9-qsb.dtb, so needn't create dtsi.
> >>
> >> I'm sorry, I don't get your question here.
> >> Anyway, the DT overlays are needed, because the 40-pin EXP/PRI interface on
> >> the i.MX93 9x9 QSB board can not only connect to a DPI panel adapter board
> >> but also to an audio hat[2], and maybe more.  The newly introduced .dtsi
> >> file just aims to avoid duplicated code.
> >
> > My means apply two overlay files to dtb
> >
> > imx93-9x9-qsb-tianma-tm050rdh03-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtbo imx93-9x9-qsb-tianma-tm050rdh03.dtbo
> >
> > In imx93-9x9-qsb-tianma-tm050rdh03.dtbo, only include
> > &{/} {
> > 	panel {
> > 		compatible = "tianma,tm050rdh03";
> > 		enable-gpios = <&pcal6524 8 GPIO_ACTIVE_HIGH>;
> > 	};
> > };
>
> If an user wants to use imx93-9x9-qsb.dtb and the DT overlay blob
> imx93-9x9-qsb-tianma-tm050rdh03.dtbo to enable the tianma,tm050rdh03
> DPI panel, then it won't work unless the user also apply
> imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtbo, right?
>
> >

Yes, imx93-9x9-qsb-tianma-tm050rdh03.dtb already created, which already
applied both overlay file.

can the same board be use for imx91 or other evk boards?

Frank

> > Frank
> >>
> >> [2] https://www.nxp.com/design/design-center/development-boards-and-designs/mx93aud-hat-audio-board:MX93AUD-HAT
> >>
> >>>
> >>> Frank
> >>>>
> >>>> ---
> >>>> base-commit: 816f193dd0d95246f208590924dd962b192def78
> >>>> change-id: 20260407-tianma-tm050rdh03-imx93-9x9-qsb-6e4bbbde3d08
> >>>>
> >>>> Best regards,
> >>>> --
> >>>> Liu Ying <victor.liu@xxxxxxx>
> >>>>
> >>
> >> --
> >> Regards,
> >> Liu Ying
>
> --
> Regards,
> Liu Ying