From: Frank Li <Frank.li@nxp.com>
To: Wig Cheng <onlywig@gmail.com>
Cc: Peng Fan <peng.fan@oss.nxp.com>,
shawnguo@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, zaq14760@gmail.com
Subject: Re: [PATCH v4 1/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM
Date: Wed, 25 Feb 2026 10:15:14 -0500 [thread overview]
Message-ID: <aZ8SAvjCvTyLNi8P@lizhi-Precision-Tower-5810> (raw)
In-Reply-To: <CAPStFe6sFCo2-+9ataPBy9pvEUo_uZ5G7XNA_8jH+sF6=FNOpw@mail.gmail.com>
On Wed, Feb 25, 2026 at 10:11:02PM +0800, Wig Cheng wrote:
> >
> > arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtb: display@0 (mayqueen,pixpaper): spi-max-frequency: 5000000 is greater than the maximum of 1000000
> > from schema $id: http://devicetree.org/schemas/display/mayqueen,pixpaper.yaml
> >
> > Does 1000000 work for spi-max-frequency? or need update binding doc?
> >
>
> Both 1MHz and 5MHz work on i.MX93. I chose 5MHz for better refresh
> performance, which is within the LPSPI3 controller's capabilities.
> The 1MHz limit in the binding is a conservative generic value I think.
Okay, let change to 1Mhz first. we will update it after updated binding
doc.
Frank
>
> Thanks,
> Wig
next prev parent reply other threads:[~2026-02-25 15:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-29 2:29 [PATCH v4 0/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM Wig Cheng
2026-01-29 2:29 ` [PATCH v4 1/1] " Wig Cheng
2026-01-29 8:43 ` Peng Fan
2026-02-05 16:14 ` Wig Cheng
2026-02-24 20:18 ` Frank Li
2026-02-25 14:11 ` Wig Cheng
2026-02-25 15:15 ` Frank Li [this message]
2026-02-27 3:58 ` Wig Cheng
2026-02-05 16:36 ` Frank Li
2026-02-24 20:22 ` [PATCH v4 0/1] " Frank Li
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