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dmarc=none action=none header.from=nxp.com; Received: from DB9PR04MB8477.eurprd04.prod.outlook.com (2603:10a6:10:2c3::11) by DU2PR04MB8984.eurprd04.prod.outlook.com (2603:10a6:10:2e3::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4373.21; Thu, 5 Aug 2021 09:13:08 +0000 Received: from DB9PR04MB8477.eurprd04.prod.outlook.com ([fe80::9daa:ab21:f749:36d2]) by DB9PR04MB8477.eurprd04.prod.outlook.com ([fe80::9daa:ab21:f749:36d2%9]) with mapi id 15.20.4394.017; Thu, 5 Aug 2021 09:13:08 +0000 From: Dong Aisheng To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-remoteproc@vger.kernel.org, dongas86@gmail.com, peng.fan@nxp.com, linux-imx@nxp.com, robh+dt@kernel.org, shawnguo@kernel.org, kernel@pengutronix.de, Dong Aisheng Subject: [PATCH 1/2] arm64: dts: imx8mq: add remoteproc m4 support Date: Thu, 5 Aug 2021 17:12:17 +0800 Message-Id: <20210805091218.1626290-1-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 X-ClientProxiedBy: SG2PR03CA0147.apcprd03.prod.outlook.com (2603:1096:4:c8::20) To DB9PR04MB8477.eurprd04.prod.outlook.com (2603:10a6:10:2c3::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR03CA0147.apcprd03.prod.outlook.com (2603:1096:4:c8::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4415.5 via Frontend Transport; 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It needs vdevbuffer and a pair of vrings and 16MB reserved memory. Signed-off-by: Dong Aisheng --- arch/arm64/boot/dts/freescale/Makefile | 1 + .../boot/dts/freescale/imx8mq-evk-rpmsg.dts | 72 +++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 4b4785d86324..687ad9d68a85 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -49,6 +49,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-rpmsg.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mq-kontron-pitx-imx8m.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts new file mode 100644 index 000000000000..4a8911087e5f --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright 2019-2021 NXP + */ + +#include "imx8mq-evk.dts" + +/ { + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + 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; + }; + + remoteproc@80000000 { + reg = <0 0x80000000 0 0x1000000>; + no-map; + }; + }; + + imx8mq-cm4 { + compatible = "fsl,imx8mq-cm4"; + clocks = <&clk IMX8MQ_CLK_M4_DIV>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu 0 1 + &mu 1 1 + &mu 3 1>; + memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, + <&rsc_table>; + syscon = <&src>; + }; +}; + +/* + * Below devices are allocated on remoteproc + */ + +&i2c2 { + status = "disabled"; +}; + +&pwm4 { + status = "disabled"; +}; + +&tmu { + status = "disabled"; +}; + +&uart2 { + status = "disabled"; +};