This is the device tree for the MNT Reform 2.0 open hardware laptop which is based on NXP i.MX8MQ. It is designed around the Boundary Devices Nitrogen8M SoM.
Technical details: https://mntre.com/reform Signed-off-by: Lukas F. Hartmann <lu...@mntre.com> --- .../boot/dts/freescale/imx8mq-mnt-reform2.dts | 783 ++++++++++++++++++ 1 file changed, 783 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts diff --git a/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts new file mode 100644 index 000000000..c95a22a1e --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts @@ -0,1 +1,782 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2018 Boundary Devices + * Copyright 2019-2020 MNT Research GmbH + */ + +/dts-v1/; + +#include "dt-bindings/input/input.h" +#include "dt-bindings/pwm/pwm.h" +#include "dt-bindings/usb/pd.h" +#include "dt-bindings/gpio/gpio.h" +#include "imx8mq.dtsi" + +/ { + model = "MNT Reform 2"; + compatible = "fsl,imx8mq"; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + // 4GB of RAM + memory@40000000 { + device_type = "memory"; + reg = <0x00000000 0x40000000 0 0xc0000000>; + }; + + reg_vref_0v9: regulator-vref-0v9 { + compatible = "regulator-fixed"; + regulator-name = "vref-0v9"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-always-on; + }; + + reg_vref_1v2: regulator-vref-1v2 { + compatible = "regulator-fixed"; + regulator-name = "vref-1v2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + }; + + reg_vref_1v8: regulator-vref-1v8 { + compatible = "regulator-fixed"; + regulator-name = "vref-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + reg_vref_2v5: regulator-vref-2v5 { + compatible = "regulator-fixed"; + regulator-name = "vref-2v5"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + }; + + reg_vref_3v3: regulator-vref-3v3 { + compatible = "regulator-fixed"; + regulator-name = "vref-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + reg_vref_5v: regulator-vref-5v { + compatible = "regulator-fixed"; + regulator-name = "vref-5v"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm2 0 10000>; + enable-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; + brightness-levels = <0 32 64 128 160 200 255>; + default-brightness-level = <6>; + }; + + panel { + compatible = "innolux,n125hce-gn1"; + power = <®_vref_3v3>; + backlight = <&backlight>; + no-hpd; + + port@0 { + panel_in: endpoint { + remote-endpoint = <&edp_bridge_out>; + }; + }; + }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "wm8960-audio"; + simple-audio-card,format = "i2s"; + simple-audio-card,frame-master = <&dai_cpu_master>; + simple-audio-card,bitclock-master = <&dai_cpu_master>; + + simple-audio-card,widgets = + "Microphone", "Mic Jack", + "Line", "Line In", + "Line", "Line Out", + "Speaker", "Speaker", + "Headphone", "Headphone Jack"; + simple-audio-card,routing = + "Headphone Jack", "HP_L", + "Headphone Jack", "HP_R", + "Speaker", "SPK_LP", + "Speaker", "SPK_LN", + "Speaker", "SPK_RP", + "Speaker", "SPK_RN", + "Mic Jack", "MICB", + "LINPUT1", "Mic Jack", + "LINPUT2", "Line In", + "RINPUT2", "Line In"; + + dai_cpu_master: simple-audio-card,cpu { + sound-dai = <&sai2>; + }; + + dailink0: simple-audio-card,codec { + sound-dai = <&codec>; + }; + }; + + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + + pcie1_refclk: pcie1-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; +}; + +&A53_0 { + cpu-supply = <®_arm_dram>; +}; + +&A53_1 { + cpu-supply = <®_arm_dram>; +}; + +&A53_2 { + cpu-supply = <®_arm_dram>; +}; + +&A53_3 { + cpu-supply = <®_arm_dram>; +}; + +/ { + soc@0 { + bus@32c00000 { + dcss: display-controller@32e00000 { + status = "okay"; + + compatible = "nxp,imx8mq-dcss"; + reg = <0x32e00000 0x2d000>, <0x32e2f000 0x1000>; + interrupts = <6>, <8>, <9>; + interrupt-names = "ctxld", "ctxld_kick", "vblank"; + interrupt-parent = <&irqsteer>; + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>, + <&clk IMX8MQ_CLK_DISP_AXI_ROOT>, + <&clk IMX8MQ_CLK_DISP_RTRM_ROOT>, + <&clk IMX8MQ_CLK_DC_PIXEL>, + <&clk IMX8MQ_CLK_DISP_DTRC>; + clock-names = "apb", "axi", "rtrm", "pix", "dtrc"; + assigned-clocks = <&clk IMX8MQ_CLK_DISP_AXI>, + <&clk IMX8MQ_CLK_DISP_RTRM>, + <&clk IMX8MQ_VIDEO2_PLL1_REF_SEL>, + <&clk IMX8MQ_VIDEO_PLL1_REF_SEL>, + <&clk IMX8MQ_CLK_DC_PIXEL>; + assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_800M>, + <&clk IMX8MQ_SYS1_PLL_800M>, + <&clk IMX8MQ_CLK_27M>, + <&clk IMX8MQ_CLK_25M>, + <&clk IMX8MQ_VIDEO_PLL1_OUT>; + assigned-clock-rates = <800000000>, + <400000000>, + <27000000>, + <25000000>, + <594000000>; + + port { + dcss_dsi_out: endpoint { + remote-endpoint = <&mipi_dsi_in>; + }; + }; + }; + }; + }; +}; + +// LCDIF is not used, but has to be active or DCSS won't work +&lcdif { + status = "okay"; + /delete-node/ port@0; +}; + +&dphy { + status = "okay"; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fec1>; + phy-mode = "rgmii-id"; + phy-handle = <ðphy0>; + fsl,magic-packet; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy0: ethernet-phy@4 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <4>; + interrupts = <&gpio1 11 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&i2c1 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + // I2C Mux on Nitrogen8M_SOM + i2cmux@70 { + compatible = "nxp,pca9546"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1_pca9546>; + reg = <0x70>; + reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + #address-cells = <1>; + #size-cells = <0>; + + i2c1a: i2c1@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + // Regulator on Nitrogen8M_SOM + reg_arm_dram: fan53555@60 { + compatible = "fcs,fan53555"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_arm_dram>; + reg = <0x60>; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1000000>; + regulator-ramp-delay = <8000>; + regulator-always-on; + vsel-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; + }; + }; + + i2c1b: i2c1@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + // Regulator on Nitrogen8M_SOM + reg_dram_1p1v: fan53555@60 { + compatible = "fcs,fan53555"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_dram_1p1v>; + reg = <0x60>; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-ramp-delay = <8000>; + regulator-always-on; + vsel-gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>; + }; + }; + + i2c1c: i2c1@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; + + // Regulator on Nitrogen8M_SOM + reg_soc_gpu_vpu: fan53555@60 { + compatible = "fcs,fan53555"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_soc_gpu_vpu>; + reg = <0x60>; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1000000>; + regulator-ramp-delay = <8000>; + regulator-always-on; + vsel-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>; + }; + }; + + // No peripheral connected, available on DSI connector + i2c1d: i2c1@3 { + reg = <3>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +// No peripheral connected, available on CSI connector +&i2c2 { + status = "disabled"; +}; + +&i2c3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + // Audio chip on motherboard + codec: wm8960@1a { + compatible = "wlf,wm8960"; + reg = <0x1a>; + clocks = <&clk IMX8MQ_CLK_SAI2>; + clock-names = "mclk"; + #sound-dai-cells = <0>; + }; + + // Realtime clock chip on motherboard + pcf8523: pcf8523@68 { + compatible = "nxp,pcf8523"; + reg = <0x68>; + }; +}; + +&i2c4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; + status = "okay"; + + // DSI to eDP converter on motherboard + edp_bridge: sn65dsi86@2c { + compatible = "ti,sn65dsi86"; + reg = <0x2c>; + enable-gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + edp_bridge_in: endpoint { + remote-endpoint = <&mipi_dsi_out>; + }; + }; + + port@1 { + reg = <1>; + + edp_bridge_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; +}; + +&iomuxc { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hog>; + + pinctrl_hog: hoggrp { + fsl,pins = < + // WL_EN on Nitrogen8M_SOM, pin 38, goes to /EN input of SN65DSI86 + MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20 0x19 + MX8MQ_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x56 + >; + }; + + pinctrl_fec1: fec1grp { + fsl,pins = < + MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC 0x3 + MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO 0x23 + MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f + MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f + MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f + MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f + MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f + MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f + MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91 + MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91 + MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91 + MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91 + MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91 + MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91 + MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19 + MX8MQ_IOMUXC_GPIO1_IO11_GPIO1_IO11 0x59 + >; + }; + + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f + MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA 0x4000007f + >; + }; + + pinctrl_i2c1_pca9546: i2c1-pca9546grp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x46 + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL 0x4000007f + MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA 0x4000007f + >; + }; + + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL 0x4000007f + MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA 0x4000007f + >; + }; + + pinctrl_i2c4: i2c4grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL 0x4000007f + MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA 0x4000007f + >; + }; + + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MQ_IOMUXC_ECSPI1_MOSI_GPIO5_IO7 0x16 + >; + }; + + pinctrl_pcie1: pcie1grp { + fsl,pins = < + MX8MQ_IOMUXC_SAI5_RXD2_GPIO3_IO23 0x16 + >; + }; + + pinctrl_pwm2: pwm2grp { + fsl,pins = < + MX8MQ_IOMUXC_SPDIF_RX_PWM2_OUT 0x16 + >; + }; + + pinctrl_pwm3: pwm3grp { + fsl,pins = < + MX8MQ_IOMUXC_SPDIF_TX_PWM3_OUT 0x16 + >; + }; + + // Backlight + pinctrl_pwm4: pwm4grp { + fsl,pins = < + MX8MQ_IOMUXC_SAI3_MCLK_PWM4_OUT 0x16 + >; + }; + + pinctrl_reg_arm_dram: reg-arm-dram { + fsl,pins = < + MX8MQ_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x16 + >; + }; + + pinctrl_reg_dram_1p1v: reg-dram-1p1v { + fsl,pins = < + MX8MQ_IOMUXC_SD1_STROBE_GPIO2_IO11 0x16 + >; + }; + + pinctrl_reg_soc_gpu_vpu: reg-soc-gpu-vpu { + fsl,pins = < + MX8MQ_IOMUXC_SD2_WP_GPIO2_IO20 0x16 + >; + }; + + pinctrl_sai2: sai2grp { + fsl,pins = < + MX8MQ_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0 0xd6 /* Pin 166 */ + MX8MQ_IOMUXC_SAI2_RXFS_SAI2_RX_SYNC 0xd6 /* Pin 168 */ + MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK 0xd6 /* Pin 170 */ + MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0xd6 /* Pin 172 */ + MX8MQ_IOMUXC_SAI2_RXC_SAI2_RX_BCLK 0xd6 /* Pin 174 */ + MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK 0xd6 /* Pin 176 */ + MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0xd6 /* Pin 168 */ + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x45 + MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX 0x45 + >; + }; + + pinctrl_uart2: uart2grp { + fsl,pins = < + MX8MQ_IOMUXC_UART2_RXD_UART2_DCE_RX 0x45 + MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX 0x45 + >; + }; + + pinctrl_uart3: uart3grp { + fsl,pins = < + MX8MQ_IOMUXC_UART3_RXD_UART3_DCE_RX 0x45 + MX8MQ_IOMUXC_UART3_TXD_UART3_DCE_TX 0x45 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83 + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xc3 + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xc3 + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xc3 + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xc3 + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xc3 + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xc3 + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xc3 + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xc3 + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xc3 + MX8MQ_IOMUXC_SD1_RESET_B_GPIO2_IO10 0x41 + >; + }; + + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x8d + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xcd + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xcd + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xcd + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xcd + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xcd + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xcd + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xcd + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xcd + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xcd + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x9f + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xdf + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xdf + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xdf + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xdf + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xdf + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xdf + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xdf + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xdf + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xdf + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x03 + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xc3 + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xc3 + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xc3 + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xc3 + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xc + >; + }; + + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x0d + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xcd + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xcd + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xcd + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xcd + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xcd + >; + }; + + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x1e + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xce + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xce + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xce + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xce + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xce + >; + }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6 + >; + }; +}; + +&mipi_dsi { + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + // We don't want input from LCDIF + /delete-node/ endpoint@0; + + mipi_dsi_in: endpoint@1 { + reg = <1>; + remote-endpoint = <&dcss_dsi_out>; + }; + }; + port@1 { + reg = <1>; + mipi_dsi_out: endpoint { + remote-endpoint = <&edp_bridge_in>; + }; + }; + }; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio5 7 GPIO_ACTIVE_LOW>; + internal-refclk; + + clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>, + <&clk IMX8MQ_CLK_PCIE1_AUX>, + <&clk IMX8MQ_CLK_PCIE1_PHY>, + <&pcie0_refclk>; + + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + + assigned-clocks = <&clk IMX8MQ_CLK_PCIE1_CTRL>, + <&clk IMX8MQ_CLK_PCIE1_PHY>; + assigned-clock-parents = <&clk IMX8MQ_SYS2_PLL_250M>, + <&clk IMX8MQ_SYS2_PLL_100M>; + + status = "okay"; +}; + +&pcie1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie1>; + reset-gpio = <&gpio3 23 GPIO_ACTIVE_LOW>; + + clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>, + <&clk IMX8MQ_CLK_PCIE2_AUX>, + <&clk IMX8MQ_CLK_PCIE2_PHY>, + <&pcie1_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + status = "okay"; +}; + +&pwm2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm2>; + status = "okay"; +}; + +&pwm3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm3>; + status = "okay"; +}; + +// Backlight control +&pwm4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm4>; + status = "okay"; +}; + +&sai2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai2>; + assigned-clocks = <&clk IMX8MQ_CLK_SAI2>; + assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL2_OUT>; + assigned-clock-rates = <12288000>; + status = "okay"; +}; + +// Don't use i.MX8M internal RTC because we have a dedicated one +&snvs_rtc { + status = "disabled"; +}; + +// Console +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +// Auxiliary serial port on motherboard +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; + status = "okay"; +}; + +// connected to LPC11U24 chip on the motherboard +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + status = "okay"; +}; + +&usb_dwc3_0 { + status = "okay"; + dr_mode = "host"; +}; + +&usb_dwc3_1 { + status = "okay"; + dr_mode = "host"; +}; + +&usb3_phy0 { + vbus-supply = <®_vref_5v>; + status = "okay"; +}; + +&usb3_phy1 { + vbus-supply = <®_vref_5v>; + status = "okay"; +}; + +// eMMC on Nitrogen8M_SOM +&usdhc1 { + assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>; + assigned-clock-rates = <400000000>; + bus-width = <8>; + no-mmc-hs400; + non-removable; + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; + status = "disabled"; +}; + +// SD Card on motherboard +&usdhc2 { + assigned-clocks = <&clk IMX8MQ_CLK_USDHC2>; + assigned-clock-rates = <200000000>; + bus-width = <4>; + no-1-8-v; // We don't support 1.8V signaling + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc2>; + pinctrl-1 = <&pinctrl_usdhc2_100mhz>; + pinctrl-2 = <&pinctrl_usdhc2_200mhz>; + vmmc-supply = <®_vref_3v3>; + status = "okay"; +}; + +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; + status = "okay"; +}; -- 2.28.0
