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Message-Id: <20250910-imx8mp-prt8ml-v1-4-fd04aed15670@pengutronix.de>
Date: Wed, 10 Sep 2025 14:35:24 +0200
From: Jonas Rebmann <jre@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, Shengjiu Wang <shengjiu.wang@....com>,
Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Pengutronix Kernel Team <kernel@...gutronix.de>
Cc: Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-sound@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, Jonas Rebmann <jre@...gutronix.de>,
Lucas Stach <l.stach@...gutronix.de>, David Jander <david@...tonic.nl>,
Oleksij Rempel <o.rempel@...gutronix.de>
Subject: [PATCH 4/4] arm64: dts: add Protonic PRT8ML board
From: Lucas Stach <l.stach@...gutronix.de>
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 ethernet (10BASE-T1L+PoDL, 100BASE-T1+PoDL, 1000BASE-T,
1000BASE-T1)
Signed-off-by: David Jander <david@...tonic.nl>
Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Signed-off-by: Jonas Rebmann <jre@...gutronix.de>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts | 409 ++++++++++++++++++++++++
2 files changed, 410 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 2be724579632..98ab7387726e 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -222,6 +222,7 @@ 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..95d5c29b4887
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-prt8ml.dts
@@ -0,0 +1,409 @@
+// 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;
+ };
+
+ clock_sja1105: clock-sja1105 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
+ 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;
+};
+
+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ status = "okay";
+};
+
+&flexcan2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ ak5558: codec@10 {
+ compatible = "asahi-kasei,ak5558";
+ reg = <0x10>;
+ reset-gpios = <&gpio_exp_1 2 GPIO_ACTIVE_LOW>;
+ };
+
+ gpio_exp_1: gpio@25 {
+ compatible = "nxp,pca9571";
+ reg = <0x25>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&i2c2 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ tps65987ddh_0: usb-pd@20 {
+ compatible = "ti,tps6598x";
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tps65987ddh_0>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ gpio_exp_2: gpio@25 {
+ compatible = "nxp,pca9571";
+ reg = <0x25>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ c0-hreset-hog {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_LOW>;
+ line-name = "c0-hreset";
+ output-low;
+ };
+
+ c1-hreset-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_LOW>;
+ line-name = "c1-hreset";
+ output-low;
+ };
+ };
+
+ fan53555: regulator@60 {
+ compatible = "fcs,fan53555";
+ reg = <0x60>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fan53555>;
+ regulator-name = "fan53555";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <980000>;
+ regulator-always-on;
+ regulator-boot-on;
+ fcs,suspend-voltage-selector = <1>;
+ };
+};
+
+&i2c3 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ status = "okay";
+
+ ak4458: codec@11 {
+ compatible = "asahi-kasei,ak4458";
+ reg = <0x11>;
+ #sound-dai-cells = <0>;
+ reset-gpios = <&gpio_exp_2 5 GPIO_ACTIVE_LOW>;
+ };
+
+ tps65987ddh_1: usb-pd@20 {
+ compatible = "ti,tps6598x";
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tps65987ddh_1>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&lcdif1 {
+ status = "okay";
+};
+
+&snvs_pwrkey {
+ status = "okay";
+};
+
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+ status = "okay";
+};
+
+&usb3_0 {
+ status = "okay";
+};
+
+&usb3_1 {
+ status = "okay";
+};
+
+&usb3_phy0 {
+ status = "okay";
+};
+
+&usb3_phy1 {
+ status = "okay";
+};
+
+&usb_dwc3_0 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usb_dwc3_1 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usdhc2 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+ assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
+ assigned-clock-rates = <100000000>;
+ bus-width = <4>;
+ cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+ no-1-8-v;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ status = "okay";
+};
+
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ assigned-clocks = <&clk IMX8MP_CLK_USDHC3_ROOT>;
+ assigned-clock-rates = <400000000>;
+ bus-width = <8>;
+ non-removable;
+ no-sdio;
+ no-sd;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_fan53555: fan53555grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05 0x114
+ >;
+ };
+
+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_RX__CAN1_RX 0x154
+ MX8MP_IOMUXC_SPDIF_TX__CAN1_TX 0x154
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART3_TXD__CAN2_RX 0x154
+ MX8MP_IOMUXC_UART3_RXD__CAN2_TX 0x154
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_ECSPI1_SCLK__I2C1_SCL 0x400000c3
+ MX8MP_IOMUXC_ECSPI1_MOSI__I2C1_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400000c3
+ MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400000c3
+ MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_pcie_refclk: pcierefclkgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART1_TXD__GPIO5_IO23 0xc6
+ >;
+ };
+
+ pinctrl_tps65987ddh_0: tps65987ddh_0grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x1d0
+ >;
+ };
+
+ pinctrl_tps65987ddh_1: tps65987ddh_1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0x1d0
+ >;
+ };
+
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x040
+ MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x040
+ >;
+ };
+
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190
+ MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d0
+ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0
+ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0
+ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0
+ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0
+ >;
+ };
+
+ pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x194
+ MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d4
+ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4
+ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4
+ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4
+ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4
+ >;
+ };
+
+ pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x196
+ MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d6
+ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6
+ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6
+ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6
+ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6
+ >;
+ };
+
+ pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x0d4
+ >;
+ };
+
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x190
+ MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d0
+ MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d0
+ MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d0
+ MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d0
+ MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d0
+ MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d0
+ MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d0
+ MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d0
+ MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d0
+ MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x190
+ >;
+ };
+
+ pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x194
+ MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d4
+ MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d4
+ MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d4
+ MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d4
+ MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d4
+ MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d4
+ MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d4
+ MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d4
+ MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d4
+ MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x194
+ >;
+ };
+
+ pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x196
+ MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d6
+ MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d6
+ MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d6
+ MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d6
+ MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d6
+ MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d6
+ MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d6
+ MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d6
+ MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d6
+ MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x196
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0x166
+ >;
+ };
+};
--
2.51.0.178.g2462961280
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