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16:08:24 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: imx93-9x9-qsb: Add tianma,tm050rdh03 panel To: Frank Li Cc: Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260407-tianma-tm050rdh03-imx93-9x9-qsb-v1-1-24d514a62fdc@nxp.com> From: Liu Ying Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SI2PR01CA0018.apcprd01.prod.exchangelabs.com (2603:1096:4:191::7) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM7PR04MB7046:EE_|DBBPR04MB7819:EE_ X-MS-Office365-Filtering-Correlation-Id: 2a732cb9-d8a5-40f7-5b74-08de9545d291 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: 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( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260408_010712_043610_51BAD613 X-CRM114-Status: GOOD ( 20.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 >>>> --- >>>> 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 >>>> +#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? > > 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 >>>> >> >> -- >> Regards, >> Liu Ying -- Regards, Liu Ying