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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Shengjiu Wang , Shawn Guo , Sascha Hauer , Fabio Estevam , Pengutronix Kernel Team , Vladimir Oltean , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, David Jander , Lucas Stach , Oleksij Rempel Subject: Re: [PATCH v3 3/3] arm64: dts: add Protonic PRT8ML board Message-ID: <20251012023714.GF20642@nxa18884-linux.ap.freescale.net> References: <20250924-imx8mp-prt8ml-v3-0-f498d7f71a94@pengutronix.de> <20250924-imx8mp-prt8ml-v3-3-f498d7f71a94@pengutronix.de> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250924-imx8mp-prt8ml-v3-3-f498d7f71a94@pengutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-ClientProxiedBy: SI1PR02CA0047.apcprd02.prod.outlook.com (2603:1096:4:1f5::15) To PAXPR04MB8459.eurprd04.prod.outlook.com (2603:10a6:102:1da::15) Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB8459:EE_|DB9PR04MB9625:EE_ X-MS-Office365-Filtering-Correlation-Id: 0930b4ce-2aaa-4daa-f19b-08de092e2ca4 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|19092799006|52116014|376014|7416014|7053199007|38350700014; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?/nqycyAyjJWcFagHOLIqwyx5Jtfnj2h40pNQg2MqnhSzWD5qHfSTpg1NGWfL?= =?us-ascii?Q?j/MLkqDPL3okUTUpB91PuiUV0Mykgv1nNC9EoPxlv2/GKmbmdP+rmehC/pxk?= =?us-ascii?Q?jG4+o8L9kNEV1PoBQIcUsIV9CwxOIL+9jN3BlmASDflDCJLyKV0j8wgZTu7u?= =?us-ascii?Q?99KxHsSkSFmeB2kkwPAoSi50cKEH9pfOC6NcuPDLp9McXMz5qPLt6pCYiieP?= =?us-ascii?Q?/cdDOTNDW0ygVaq1Xv5hvzYqo7xqxHDp+7dku5dnd/mBaGffvVFWOZj7YFON?= =?us-ascii?Q?ySNb3T7Hu54c7XjMIjb9SnlG6EJiGx556VIzqKf2IVGzyHhHkpoL4xIdzG2X?= =?us-ascii?Q?R5qu1hAoPNTi2dW6qJ6snuNHQyS7QqWx71OSrqkuW2uWZPaMYyuYjuinW/Sl?= =?us-ascii?Q?u3MpUssG3NqJrkwu0GIQ8VLHv0f31ny0f+JxKPeci8r91EJwxN6abFeWog49?= =?us-ascii?Q?NnPldW8h/LqndrET4B/G1bxBf1zT80QbMkXlXvxA7nS0mXgLSLXZcAk/FQrT?= =?us-ascii?Q?FMAUg1cfmGmuXZFSLA6/liympgfXc0pcCKHvWe522ZhKyAXTETrjgeRtO6Wv?= =?us-ascii?Q?kQA94gKPYeLR9SegzjEyotynVyS1Wp52gP+cczgEC+RtjcxwdXv26GnVTSY7?= =?us-ascii?Q?u0o9i1SL5+STmjidFSn6l74MhlY8v7roRmBrr5FgGojKXhsbCnFVAhP1Dmjn?= =?us-ascii?Q?+ln3k7mnrqasPGmx54g4fwZBqIxnfZyH6ZtBJ/Ht/vec+ei1/zY4y8gBH78l?= =?us-ascii?Q?5acq35sKoVqTyzSuxJhQwsyzcaNLbNyDpkpTCBg969stYa/VyHeU2v+CWQjO?= =?us-ascii?Q?/yGAGFVNsNT08IBIrubcGvAbjizkaY/Ji4lPpaGOGZHdX9QyiDjF7xHeBmOk?= =?us-ascii?Q?lkDYR+vj1SX7X0Le1M82brNqaPV3DAXg0jimpbb6g/aMJLyAWCRE+I69QVP2?= =?us-ascii?Q?O+i8dR50ZFFKQbzvLaAKYBKDpXoISeBPzmUGA4pWkGAIX0WBDWhoNvfPqfdO?= =?us-ascii?Q?aPiCf+0V2YpGc2Yo5tOmcRD9nwK+HS1qJeBjMs4L9qvcH8OF0f5jC2sn9YkN?= =?us-ascii?Q?UmD89aCCI3kQxLDwHhooYJXE4danuPw2LHyaMDglWnTt6mwiF3GSGKjDWM+W?= =?us-ascii?Q?t0odVr68YWqxIib/CkDKPfFsIio1RtoCgxKyMtQmtf416gBnDL33Qw4QC5+S?= =?us-ascii?Q?elfztkMoi0Mnl0ywJbIWa2iy6Z2/l0c5tfrJeTckSNK0mlwIJaV6fIrpK9a/?= =?us-ascii?Q?4nWcGBsh1WnjvSiNH4t8UQ56utb9wWWO6Nmg9dPcWK504MkeKupkG4cP+4Pg?= =?us-ascii?Q?agnCxfww6ZuR2YYYKYNNYTWOmVYkPXwBpIeiaLwGnicELicM6GD8SbBp3TK5?= =?us-ascii?Q?TTKj4hM/t/FbuSNBPFzeV4HpHxks7RHMR0FgIWV6hQs8iqJ/QWiS1j+Tkt6Y?= =?us-ascii?Q?pYXM3Wgb8EZvhshgRj5+yd39kNWyy84IWBHiLn+VkXV8O5dUiwzEgZzD4WSZ?= =?us-ascii?Q?luo7+hPqoiG6xAMtUlMB7nCb3MiCT8Rj+pS6qQ08H1GS+D4gqO1vzY+aQs/h?= =?us-ascii?Q?LTdG8qUy9i6zeNsP/kvq8YI937RKfONp43pPuW3M?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0930b4ce-2aaa-4daa-f19b-08de092e2ca4 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB8459.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Oct 2025 01:25:06.1908 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Vcmv6DZceZR/e2QD8O8/4UPgT3HMIDFW/Uq++R16rV8D2tldWdkh/nDn8vlXGpSE8E03v5cCDHyH1DuS8a6cqw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB9625 On Wed, Sep 24, 2025 at 10:34:14AM +0200, Jonas Rebmann wrote: >Add devicetree for the Protonic PRT8ML. > >The board is similar to the Protonic PRT8MM but i.MX8MP based. > >Some features have been removed as the drivers haven't been mainlined >yet or other issues where encountered: > - Stepper motors to be controlled using motion control subsystem > - MIPI/DSI to eDP USB alt-mode > - Onboard T1 ethernet (10BASE-T1L+PoDL, 100BASE-T1+PoDL, 1000BASE-T1) > >Signed-off-by: David Jander >Signed-off-by: Lucas Stach >Signed-off-by: Oleksij Rempel >Signed-off-by: Jonas Rebmann >--- > arch/arm64/boot/dts/freescale/Makefile | 1 + > arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts | 501 ++++++++++++++++++++++++ > 2 files changed, 502 insertions(+) > >diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile >index 525ef180481d..0c9abfa8d23d 100644 >--- a/arch/arm64/boot/dts/freescale/Makefile >+++ b/arch/arm64/boot/dts/freescale/Makefile >@@ -228,6 +228,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-nitrogen-smarc-universal-board.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb > imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo > dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb >+dtb-$(CONFIG_ARCH_MXC) += imx8mp-prt8ml.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-basic.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-hdmi.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb >diff --git a/arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts b/arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts >new file mode 100644 >index 000000000000..afca368ea1fd >--- /dev/null >+++ b/arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts >@@ -0,0 +1,501 @@ >+// SPDX-License-Identifier: (GPL-2.0 OR MIT) >+/* >+ * Copyright 2020 Protonic Holland >+ * Copyright 2019 NXP >+ */ >+ >+/dts-v1/; >+ >+#include "imx8mp.dtsi" >+ >+/ { >+ model = "Protonic PRT8ML"; >+ compatible = "prt,prt8ml", "fsl,imx8mp"; >+ >+ chosen { >+ stdout-path = &uart4; >+ }; >+ >+ pcie_refclk: pcie0-refclk { >+ compatible = "fixed-clock"; >+ #clock-cells = <0>; >+ clock-frequency = <100000000>; >+ }; >+ >+ pcie_refclk_oe: pcie0-refclk-oe { >+ compatible = "gpio-gate-clock"; >+ pinctrl-names = "default"; >+ pinctrl-0 = <&pinctrl_pcie_refclk>; >+ clocks = <&pcie_refclk>; >+ #clock-cells = <0>; >+ enable-gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; >+ }; >+}; >+ >+&A53_0 { >+ cpu-supply = <&fan53555>; >+}; >+ >+&A53_1 { >+ cpu-supply = <&fan53555>; >+}; >+ >+&A53_2 { >+ cpu-supply = <&fan53555>; >+}; >+ >+&A53_3 { >+ cpu-supply = <&fan53555>; >+}; >+ >+&a53_opp_table { >+ opp-1200000000 { >+ opp-microvolt = <900000>; >+ }; >+ >+ opp-1600000000 { >+ opp-microvolt = <980000>; >+ }; >+ >+ /delete-node/ opp-1800000000; Why drop this? >+}; >+ >+&ecspi2 { >+ pinctrl-names = "default"; >+ pinctrl-0 = <&pinctrl_ecspi2>; >+ cs-gpios = <&gpio5 13 GPIO_ACTIVE_HIGH>; >+ /delete-property/ dmas; >+ /delete-property/ dma-names; Why remove dmas? >+ status = "okay"; >+ >+ >+&iomuxc { >+ >+ pinctrl_tps65987ddh_0: tps65987ddh_0grp { tps65987ddh_0grp - > tps65987ddh-0grp >+ fsl,pins = < >+ MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x1d0 >+ >; >+ }; >+ >+ pinctrl_tps65987ddh_1: tps65987ddh_1grp { tps65987ddh_1grp -> tps65987ddh-1grp >+ fsl,pins = < >+ MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0x1d0 >+ >; Regards Peng