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

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Message-ID: <CAEnQRZBmexggNdR78p8yTnpReLKxuDC_LKZqpHvXLzSzkDbfqw@mail.gmail.com>
Date: Tue, 27 Jan 2026 09:23:03 +0200
From: Daniel Baluta <daniel.baluta@...il.com>
To: Wig Cheng <onlywig@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
	Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	zaq14760@...il.com, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: freescale: add pixpaper display overlay for
 i.MX93 FRDM

On Tue, Jan 27, 2026 at 5:02 AM Wig Cheng <onlywig@...il.com> 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
>
> This enables support for the Open-EP Community pixpaper-213-c module on
> the NXP i.MX93 platform.
>
> Signed-off-by: Wig Cheng <onlywig@...il.com>

Reviewed-by: Daniel Baluta <daniel.baluta@....com>