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Sun, 23 Nov 2025 10:14:53 -0800 (PST) From: Rogerio Pimentel To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, krzk@kernel.org Cc: kernel@pengutronix.de, festevam@gmail.com, alexander.stein@ew.tq-group.com, dario.binacchi@amarulasolutions.com, marex@denx.de, Markus.Niebel@tq-group.com, y.moog@phytec.de, joao.goncalves@toradex.com, frieder.schrempf@kontron.de, josua@solid-run.com, francesco.dolcini@toradex.com, primoz.fiser@norik.com, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rogerio Pimentel , Xiaofeng Wei Subject: [PATCH v6 2/2] arm64: dts: add support for NXP i.MX8MP FRDM board Date: Sun, 23 Nov 2025 13:14:44 -0500 Message-Id: <20251123181444.266030-2-rpimentel.silva@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20251123181444.266030-1-rpimentel.silva@gmail.com> References: <20251123181444.266030-1-rpimentel.silva@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The FRDM-i.MX8MP is an NXP development platform based on the i.MX8M Plus SoC, featuring a quad Cortex-A53, Cortex-M7 co-processor, 4GB LPDDR4, 32GB eMMC, Wi-Fi 6/Bluetooth 5.4/802.15.4 tri-radio, Ethernet, HDMI/MIPI display interfaces, camera connectors, and standard expansion headers. Based on the device tree found in the NXP repository at github https://github.com/nxp-imx-support/meta-imx-frdm and on imx8mp-evk board kernel mainline device tree. This is a basic device tree supporting: - Quad Cortex-A53 - 4GB LPDDR4 DRAM - PCA9450C PMIC with regulators - Two NXP PCAL6416 GPIO expanders - RGB LEDs via GPIO expander - I2C1, I2C2, I2C3 controllers - UART2 (console) and UART3 (with RTS/CTS) - USDHC3 (8-bit eMMC) - SNVS power key (onboard power button) Co-developed-by: Xiaofeng Wei Signed-off-by: Xiaofeng Wei Signed-off-by: Rogerio Pimentel --- Changes in v6: - Keep only Xiaofeng Wei and myself in Signed-off-by (the patch I based this on only had Xiaofeng Wei) - Clean up commit log syntax - Removing inexistent tag (Author) Changes in v5: - Replace underscores (_) in node names with dashes (-) - Added missing Co-developed-by and Signed-off-by tags from all contributors Changes in v4: - Change label pcal6416 to pcal6416_0 Changes in v3: - Removing the following tags and names added on v2 by mistake: Reviewed-by: Daniel Baluta Signed-off-by: Anson Huang Signed-off-by: Shawn Guo Changes in v2: - Fixed dt-binding schema warnings - Renamed nodes 'red, green and blue' to 'led-0, led-1 and led-2' - Renamed led labels 'led-0, led-1 and led-2' to 'red, green and blue' - Added Reviewed-by and Signed-off-by tags arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/imx8mp-frdm.dts | 355 ++++++++++++++++++ 2 files changed, 356 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-frdm.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index f30d3fd724d0..5158c3420e75 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -212,6 +212,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-picoitx.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-edm-g-wb.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-frdm.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-hummingboard-mate.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-hummingboard-pro.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-hummingboard-pulse.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-frdm.dts b/arch/arm64/boot/dts/freescale/imx8mp-frdm.dts new file mode 100644 index 000000000000..55690f5e53d7 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-frdm.dts @@ -0,0 +1,355 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2019 NXP + */ + +/dts-v1/; + +#include "imx8mp.dtsi" + +/ { + model = "NXP i.MX8MPlus FRDM board"; + compatible = "fsl,imx8mp-frdm", "fsl,imx8mp"; + + chosen { + stdout-path = &uart2; + }; + + gpio-leds { + compatible = "gpio-leds"; + + led-0 { + label = "red"; + gpios = <&pcal6416_0 13 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + led-1 { + label = "green"; + gpios = <&pcal6416_0 14 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + + led-2 { + label = "blue"; + gpios = <&pcal6416_0 15 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x0 0x40000000 0 0xc0000000>, + <0x1 0x00000000 0 0x40000000>; + }; +}; + +&A53_0 { + cpu-supply = <®_arm>; +}; + +&A53_1 { + cpu-supply = <®_arm>; +}; + +&A53_2 { + cpu-supply = <®_arm>; +}; + +&A53_3 { + cpu-supply = <®_arm>; +}; + +&i2c1 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + pmic@25 { + compatible = "nxp,pca9450c"; + reg = <0x25>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + BUCK1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <720000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + reg_arm: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <720000>; + regulator-max-microvolt = <1025000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <950000>; + nxp,dvs-standby-voltage = <850000>; + }; + + BUCK4 { + regulator-name = "BUCK4"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3600000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_buck5: BUCK5 { + regulator-name = "BUCK5"; + regulator-min-microvolt = <1650000>; + regulator-max-microvolt = <1950000>; + regulator-boot-on; + regulator-always-on; + }; + + BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <1045000>; + regulator-max-microvolt = <1155000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1650000>; + regulator-max-microvolt = <1950000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <1710000>; + regulator-max-microvolt = <1890000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + + pcal6416_0: gpio@20 { + compatible = "nxp,pcal6416"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcal6416_0_int>; + interrupt-parent = <&gpio3>; + interrupts = <16 IRQ_TYPE_LEVEL_LOW>; + gpio-line-names = "CSI1_nRST", + "CSI2_nRST", + "DSI_CTP_RST", + "EXT_PWREN1", + "CAN_STBY", + "EXP_P0_5", + "EXP_P0_6", + "P0_7", + "LVDS0_BLT_EN", + "LVDS1_BLT_EN", + "LVDS0_CTP_RST", + "LVDS1_CTP_RST", + "SPK_PWREN", + "RLED_GPIO", + "GLED_GPIO", + "BLED_GPIO"; + }; + + pcal6416_1: gpio@21 { + compatible = "nxp,pcal6416"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcal6416_1_int>; + interrupt-parent = <&gpio2>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + gpio-line-names = "P0_0", + "P0_1", + "AUD_nINT", + "RTC_nINTA", + "USB1_SS_SEL", + "USB2_PWR_EN", + "SPI_EXP_SEL", + "P0_7", + "W2_HOST_WAKE_SD_3V3", + "W2_HOST_WAKE_BT_3V3", + "EXP_WIFI_BT_PDN_3V3", + "EXP_BT_RST_3V3", + "W2_RST_IND_3V3", + "SPI_nINT_3V3", + "KEYM_PCIE_nWAKE", + "P1_7"; + }; +}; + +&i2c2 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; +}; + +&i2c3 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; +}; + +&snvs_pwrkey { + status = "okay"; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + assigned-clocks = <&clk IMX8MP_CLK_UART3>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; + uart-has-rtscts; + status = "okay"; +}; + +&usdhc3 { + assigned-clocks = <&clk IMX8MP_CLK_USDHC3>; + assigned-clock-rates = <400000000>; + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc3>; + pinctrl-1 = <&pinctrl_usdhc3_100mhz>; + pinctrl-2 = <&pinctrl_usdhc3_200mhz>; + bus-width = <8>; + non-removable; + status = "okay"; +}; + +&iomuxc { + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c2 + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2 + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2 + MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2 + >; + }; + + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2 + MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2 + >; + }; + + pinctrl_pmic: pmicgrp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x000001c0 + >; + }; + + pinctrl_pcal6416_0_int: pcal6416-0-int-grp { + fsl,pins = < + MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x146 + >; + }; + + pinctrl_pcal6416_1_int: pcal6416-1-int-grp { + fsl,pins = < + MX8MP_IOMUXC_SD1_STROBE__GPIO2_IO11 0x146 + >; + }; + + pinctrl_uart2: uart2grp { + fsl,pins = < + MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x140 + MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x140 + >; + }; + + pinctrl_uart3: uart3grp { + fsl,pins = < + MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX 0x140 + MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX 0x140 + MX8MP_IOMUXC_ECSPI1_SS0__UART3_DCE_RTS 0x140 + MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS 0x140 + >; + }; + + 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 + >; + }; +}; -- 2.25.1