linux-kernel - Re: [PATCH v4 1/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM

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Message-ID: <aXsdyzZEUaVzC34W@shlinux89>
Date: Thu, 29 Jan 2026 16:43:55 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Wig Cheng <onlywig@...il.com>
Cc: shawnguo@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	zaq14760@...il.com
Subject: Re: [PATCH v4 1/1] arm64: dts: freescale: add pixpaper display
 overlay for i.MX93 FRDM

On Thu, Jan 29, 2026 at 10:29:10AM +0800, Wig Cheng wrote:
>Add device tree overlay to support the MayQueen PixPaper e-paper display
>on the NXP i.MX93 FRDM board. The display is connected via LPSPI3
>interface and uses GPIO pins for reset, busy and DC control.
>
>The overlay configures:
>    - LPSPI3 pinmux for SPI communication (MOSI, MISO, CLK, CE0)
>    - PixPaper display device with proper GPIO assignments
>    - SPI frequency set to 5MHz for stable operation
>
>Enable Open-EP Community pixpaper-213-c support on NXP i.MX93.
>
>Signed-off-by: Wig Cheng <onlywig@...il.com>

Reviewed-by: Peng Fan <peng.fan@....com>