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Mon, 30 Dec 2024 12:17:54 +0800 (CST) Date: Mon, 30 Dec 2024 12:17:52 +0800 From: Shawn Guo To: Andrej Picej Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de Subject: Re: [PATCH v2 13/15] arm64: dts: imx8mm-phycore-som: Add overlay for rproc Message-ID: References: <20241202072052.2195283-1-andrej.picej@norik.com> <20241202072052.2195283-14-andrej.picej@norik.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241202072052.2195283-14-andrej.picej@norik.com> X-CM-TRANSID:Mc8vCgCnrSfwHnJnJKsDBg--.60623S3 X-Coremail-Antispam: 1Uf129KBjvJXoWxZFWkurWrtFykWFy8uF4Durg_yoWrGF47pr 98C3y5GrWIgF17Cr9xXw4qqr1DAw4fCFWY9r1UCrykKr4akFyaya17tr13GrW0vr17Zws5 ZFnaqF9Fk3W5Xw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j4dgZUUUUU= X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiCQHFZWdyEUI24gAAs6 On Mon, Dec 02, 2024 at 08:20:50AM +0100, Andrej Picej wrote: > From: Dominik Haller > > Adds a devicetree overlay containing reserved memory regions used > for intercore communication between A53 and M4 cores. > > Signed-off-by: Dominik Haller > Signed-off-by: Andrej Picej > --- > Changes in v2: > - no change. > --- > arch/arm64/boot/dts/freescale/Makefile | 2 + > .../dts/freescale/imx8mm-phycore-rpmsg.dtso | 55 +++++++++++++++++++ > 2 files changed, 57 insertions(+) > create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile > index 99be36a04db9..5bc083a7b778 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -125,9 +125,11 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-rdk.dtb > > imx8mm-phyboard-polis-peb-av-10-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phyboard-polis-peb-av-10.dtbo > imx8mm-phyboard-polis-peb-eval-01-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phyboard-polis-peb-eval-01.dtbo > +imx8mm-phycore-rpmsg-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phycore-rpmsg.dtbo > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-peb-av-10.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-peb-eval-01.dtb > +dtb-$(CONFIG_ARCH_MXC) += imx8mm-phycore-rpmsg.dtb > > dtb-$(CONFIG_ARCH_MXC) += imx8mm-phygate-tauri-l.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-prt8mm.dtb > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso b/arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso > new file mode 100644 > index 000000000000..0c61946f0cf8 > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso > @@ -0,0 +1,55 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (C) 2024 PHYTEC Messtechnik GmbH > + * Author: Dominik Haller > + */ > + > +/dts-v1/; > +/plugin/; > + > +#include > + > +&{/} { > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; I'm getting this: arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso:16.3-10: Warning (ranges_format): /fragment@0/__overlay__/reserved-memory:ranges: empty "ranges" property but its #size-cells (2) differs from /fragment@0/__overlay__ (1) arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso:13.18-43.4: Warning (avoid_default_addr_size): /fragment@0/__overlay__/reserved-memory: Relying on default #address-cells value arch/arm64/boot/dts/freescale/imx8mm-phycore-rpmsg.dtso:13.18-43.4: Warning (avoid_default_addr_size): /fragment@0/__overlay__/reserved-memory: Relying on default #size-cells value Shawn > + > + m4_reserved: m4@80000000 { > + reg = <0 0x80000000 0 0x1000000>; > + no-map; > + }; > + > + vdev0vring0: vdev0vring0@b8000000 { > + reg = <0 0xb8000000 0 0x8000>; > + no-map; > + }; > + > + vdev0vring1: vdev0vring1@b8008000 { > + reg = <0 0xb8008000 0 0x8000>; > + no-map; > + }; > + > + rsc_table: rsc_table@b80ff000 { > + reg = <0 0xb80ff000 0 0x1000>; > + no-map; > + }; > + > + vdevbuffer: vdevbuffer@b8400000 { > + compatible = "shared-dma-pool"; > + reg = <0 0xb8400000 0 0x100000>; > + no-map; > + }; > + }; > + > + core-m4 { > + compatible = "fsl,imx8mm-cm4"; > + clocks = <&clk IMX8MM_CLK_M4_DIV>; > + mboxes = <&mu 0 1 > + &mu 1 1 > + &mu 3 1>; > + mbox-names = "tx", "rx", "rxdb"; > + memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>; > + syscon = <&src>; > + }; > +}; > -- > 2.34.1 >