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Mon, 25 May 2026 02:33:05 -0700 (PDT) Message-ID: <3c2bc7b9-33e8-4840-af41-ce6e7308ae2f@gmail.com> Date: Mon, 25 May 2026 02:33:02 -0700 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/5] arm64: dts: freescale: imx95-toradex-smarc: move CM7 node to SoC DTSI To: Peng Fan Cc: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Peng Fan , Fabio Estevam , Pengutronix Kernel Team , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260522111849.783-1-laurentiumihalcea111@gmail.com> <20260522111849.783-4-laurentiumihalcea111@gmail.com> Content-Language: en-US From: Laurentiu Mihalcea In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/24/2026 7:15 PM, Peng Fan wrote: > On Fri, May 22, 2026 at 04:18:47AM -0700, Laurentiu Mihalcea wrote: >> From: Laurentiu Mihalcea >> >> The CM7 remoteproc configuration is common to multiple MX95-based >> platforms (e.g. MX95-19x19-EVK, MX95-15x15-FRDM, SMARC-IMX95, etc.). >> Therefore, move the node to the MX95 SoC DTSI. While at it, split the mbox >> channels using <>. >> >> Signed-off-by: Laurentiu Mihalcea >> --- >> .../boot/dts/freescale/imx95-toradex-smarc.dtsi | 14 ++++++-------- >> arch/arm64/boot/dts/freescale/imx95.dtsi | 7 +++++++ >> 2 files changed, 13 insertions(+), 8 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi b/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi >> index 7d760470201f..c94a63a3bf8f 100644 >> --- a/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi >> +++ b/arch/arm64/boot/dts/freescale/imx95-toradex-smarc.dtsi >> @@ -145,14 +145,6 @@ reg_wifi_en: regulator-wifi-en { >> startup-delay-us = <2000>; >> }; >> >> - remoteproc-cm7 { >> - compatible = "fsl,imx95-cm7"; >> - mboxes = <&mu7 0 1 &mu7 1 1 &mu7 3 1>; >> - mbox-names = "tx", "rx", "rxdb"; >> - memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, >> - <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>, <&m7_reserved>; >> - }; >> - >> reserved-memory { >> #address-cells = <2>; >> #size-cells = <2>; >> @@ -204,6 +196,12 @@ vdevbuffer: vdevbuffer@88020000 { >> }; >> }; >> >> +&cm7 { >> + memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, >> + <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>, <&m7_reserved>; >> + status = "okay"; >> +}; >> + >> /* SMARC GBE0 */ >> &enetc_port0 { >> pinctrl-names = "default"; >> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi >> index 3e35c956a4d7..f8760ac067fa 100644 >> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi >> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi >> @@ -272,6 +272,13 @@ opp-1000000000 { >> }; >> }; >> >> + cm7: remoteproc-cm7 { >> + compatible = "fsl,imx95-cm7"; >> + mboxes = <&mu7 0 1>, <&mu7 1 1>, <&mu7 3 1>; >> + mbox-names = "tx", "rx", "rxdb"; > > Please not put mboxes and mbox-names in dtsi. Some demos may not > require them and boards may use different MUs. > > Regards > Peng > Not going to insist on this. Frank Li, are you ok with dropping this patch and handling this at board/SoM level?