From: Frank Li <Frank.li@oss.nxp.com>
To: Ernest Van Hoecke <ernestvanhoecke@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Subject: Re: [PATCH v2 1/5] arm64: dts: freescale: imx8mm-verdin: Share the UART_4 MCU overlay
Date: Thu, 22 Oct 2026 10:10:10 -0500 [thread overview]
Message-ID: <atonUhtKvsH3CjKD@SMW015318> (raw)
In-Reply-To: <20261022-v1-imx95-overlays-v2-1-c769d6eb54fd@toradex.com>
On Thu, Oct 22, 2026 at 04:09:33PM +0200, Ernest Van Hoecke wrote:
> From: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
>
> Verdin UART_4 is the UART the module assigns to the Cortex-M4F core.
> Other Toradex modules also assign one UART to their Cortex-M core, such
> as Verdin and Aquila UART_4 and SMARC SER0 on i.MX95, but on a different
> UART instance, so an overlay naming the instance cannot be shared.
>
> Label the UART uart_mcu in the module device tree and turn the Verdin
> iMX8M Mini overlay into imx-tdx-uart-mcu.dtso, which reserves the
> labelled UART. The combined Verdin iMX8M Mini DTB keeps its name.
>
> Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
> ---
Thank you to make shared dtso happen.
Frank
next prev parent reply other threads:[~2026-10-22 15:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 14:09 [PATCH v2 0/5] arm64: dts: freescale: Share the Toradex Cortex-M UART overlay Ernest Van Hoecke
2026-10-22 14:09 ` [PATCH v2 1/5] arm64: dts: freescale: imx8mm-verdin: Share the UART_4 MCU overlay Ernest Van Hoecke
2026-10-22 15:10 ` Frank Li [this message]
2026-10-22 14:09 ` [PATCH v2 2/5] arm64: dts: freescale: imx8mp-verdin: Add Cortex-M7 UART_4 overlay Ernest Van Hoecke
2026-10-22 14:09 ` [PATCH v2 3/5] arm64: dts: freescale: imx95-verdin: " Ernest Van Hoecke
2026-10-22 14:09 ` [PATCH v2 4/5] arm64: dts: freescale: imx95-aquila: " Ernest Van Hoecke
2026-10-22 14:09 ` [PATCH v2 5/5] arm64: dts: freescale: imx95-toradex-smarc: Add Cortex-M7 SER0 overlay Ernest Van Hoecke
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