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Carrier board > specific interfaces are left disabled to be enabled in the respective > carrier board device trees. > > Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/dart-mx91/ Reviewed-by: Frank Li > > Signed-off-by: Stefano Radaelli > --- > .../boot/dts/freescale/imx91-var-dart.dtsi | 468 ++++++++++++++++++ > 1 file changed, 468 insertions(+) > create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi > > diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi b/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi > new file mode 100644 > index 000000000000..e87b7abd86bb > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi > @@ -0,0 +1,468 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Common dtsi for Variscite DART-MX91 > + * > + * Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/dart-mx91/ > + * > + * Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/ > + * > + */ > + > +/dts-v1/; > + > +#include > +#include > +#include "imx91.dtsi" > + > +/ { > + model = "Variscite DART-MX91 Module"; > + compatible = "variscite,var-dart-mx91", "fsl,imx91"; > + > + sound-wm8904 { > + compatible = "simple-audio-card"; > + simple-audio-card,bitclock-master = <&codec_dai>; > + simple-audio-card,format = "i2s"; > + simple-audio-card,frame-master = <&codec_dai>; > + simple-audio-card,mclk-fs = <256>; > + simple-audio-card,name = "wm8904-audio"; > + simple-audio-card,routing = > + "Headphone Jack", "HPOUTL", > + "Headphone Jack", "HPOUTR", > + "IN2L", "Line In Jack", > + "IN2R", "Line In Jack", > + "IN1L", "Microphone Jack", > + "IN1R", "Microphone Jack"; > + simple-audio-card,widgets = > + "Microphone", "Microphone Jack", > + "Headphone", "Headphone Jack", > + "Line", "Line In Jack"; > + > + codec_dai: simple-audio-card,codec { > + sound-dai = <&wm8904>; > + }; > + > + simple-audio-card,cpu { > + sound-dai = <&sai1>; > + }; > + }; > + > + wifi_pwrseq: wifi-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + post-power-on-delay-ms = <100>; > + power-off-delay-us = <10000>; > + reset-gpios = <&gpio4 14 GPIO_ACTIVE_LOW>, /* WIFI_RESET */ > + <&gpio3 7 GPIO_ACTIVE_LOW>; /* WIFI_PWR_EN */ > + }; > +}; > + > +&eqos { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_eqos>; > + pinctrl-1 = <&pinctrl_eqos_sleep>; > + /* > + * The required RGMII TX and RX 2ns delays are implemented directly > + * in hardware via passive delay elements on the SOM PCB. > + * No delay configuration is needed in software via PHY driver. > + */ > + phy-mode = "rgmii"; > + phy-handle = <ðphy0>; > + snps,clk-csr = <5>; > + status = "okay"; > + > + mdio { > + compatible = "snps,dwmac-mdio"; > + clock-frequency = <1000000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + ethphy0: ethernet-phy@0 { > + compatible = "ethernet-phy-ieee802.3-c22"; > + reg = <0>; > + reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; > + reset-assert-us = <15000>; > + reset-deassert-us = <100000>; > + > + leds { > + #address-cells = <1>; > + #size-cells = <0>; > + > + led@0 { > + reg = <0>; > + color = ; > + function = LED_FUNCTION_LAN; > + linux,default-trigger = "netdev"; > + }; > + > + led@1 { > + reg = <1>; > + color = ; > + function = LED_FUNCTION_LAN; > + linux,default-trigger = "netdev"; > + }; > + }; > + }; > + }; > +}; > + > +&lpi2c3 { > + clock-frequency = <400000>; > + pinctrl-names = "default", "sleep", "gpio"; > + pinctrl-0 = <&pinctrl_lpi2c3>; > + pinctrl-1 = <&pinctrl_lpi2c3_gpio>; > + pinctrl-2 = <&pinctrl_lpi2c3_gpio>; > + scl-gpios = <&gpio2 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + sda-gpios = <&gpio2 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + status = "okay"; > + > + wm8904: audio-codec@1a { > + compatible = "wlf,wm8904"; > + reg = <0x1a>; > + #sound-dai-cells = <0>; > + clocks = <&clk IMX93_CLK_SAI1_GATE>; > + clock-names = "mclk"; > + AVDD-supply = <&buck5>; > + CPVDD-supply = <&buck5>; > + DBVDD-supply = <&buck4>; > + DCVDD-supply = <&buck5>; > + MICVDD-supply = <&buck5>; > + wlf,drc-cfg-names = "default", "peaklimiter", "tradition", > + "soft", "music"; > + /* > + * Config registers per name, respectively: > + * KNEE_IP = 0, KNEE_OP = 0, HI_COMP = 1, LO_COMP = 1 > + * KNEE_IP = -24, KNEE_OP = -6, HI_COMP = 1/4, LO_COMP = 1 > + * KNEE_IP = -42, KNEE_OP = -3, HI_COMP = 0, LO_COMP = 1 > + * KNEE_IP = -45, KNEE_OP = -9, HI_COMP = 1/8, LO_COMP = 1 > + * KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1 > + */ > + wlf,drc-cfg-regs = /bits/ 16 <0x01af 0x3248 0x0000 0x0000>, > + /bits/ 16 <0x04af 0x324b 0x0010 0x0408>, > + /bits/ 16 <0x04af 0x324b 0x0028 0x0704>, > + /bits/ 16 <0x04af 0x324b 0x0018 0x078c>, > + /bits/ 16 <0x04af 0x324b 0x0010 0x050e>; > + /* GPIO1 = DMIC_CLK, don't touch others */ > + wlf,gpio-cfg = <0x0018>, <0xffff>, <0xffff>, <0xffff>; > + /* DMIC is connected to IN1L */ > + wlf,in1l-as-dmicdat1; > + }; > + > + pmic@25 { > + compatible = "nxp,pca9451a"; > + reg = <0x25>; > + > + regulators { > + buck1: BUCK1 { > + regulator-name = "BUCK1"; > + regulator-min-microvolt = <650000>; > + regulator-max-microvolt = <2237500>; > + regulator-boot-on; > + regulator-always-on; > + regulator-ramp-delay = <3125>; > + }; > + > + buck2: BUCK2 { > + regulator-name = "BUCK2"; > + regulator-min-microvolt = <600000>; > + regulator-max-microvolt = <2187500>; > + regulator-boot-on; > + regulator-always-on; > + regulator-ramp-delay = <3125>; > + }; > + > + buck4: BUCK4{ > + regulator-name = "BUCK4"; > + regulator-min-microvolt = <600000>; > + regulator-max-microvolt = <3400000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + buck5: BUCK5{ > + regulator-name = "BUCK5"; > + regulator-min-microvolt = <600000>; > + regulator-max-microvolt = <3400000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + buck6: BUCK6 { > + regulator-name = "BUCK6"; > + regulator-min-microvolt = <600000>; > + regulator-max-microvolt = <3400000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + ldo1: LDO1 { > + regulator-name = "LDO1"; > + regulator-min-microvolt = <1600000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + ldo4: LDO4 { > + regulator-name = "LDO4"; > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + ldo5: LDO5 { > + regulator-name = "LDO5"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + }; > + }; > +}; > + > +/* BT module */ > +&lpuart5 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart5>, <&pinctrl_bt>; > + uart-has-rtscts; > + status = "okay"; > + > + bluetooth { > + compatible = "nxp,88w8987-bt"; > + }; > +}; > + > +&sai1 { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&pinctrl_sai1>; > + pinctrl-1 = <&pinctrl_sai1_sleep>; > + assigned-clocks = <&clk IMX93_CLK_SAI1>; > + assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>; > + assigned-clock-rates = <12288000>; > + #sound-dai-cells = <0>; > + fsl,sai-mclk-direction-output; > + status = "okay"; > +}; > + > +/* eMMC */ > +&usdhc1 { > + pinctrl-names = "default", "state_100mhz", "state_200mhz"; > + pinctrl-0 = <&pinctrl_usdhc1>; > + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; > + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; > + bus-width = <8>; > + non-removable; > + status = "okay"; > +}; > + > +/* WiFi */ > +&usdhc3 { > + pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep"; > + pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_wlan>; > + pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_wlan>; > + pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_wlan>; > + pinctrl-3 = <&pinctrl_usdhc3_sleep>, <&pinctrl_usdhc3_wlan>; > + mmc-pwrseq = <&wifi_pwrseq>; > + keep-power-in-suspend; > + bus-width = <4>; > + non-removable; > + wakeup-source; > + status = "okay"; > +}; > + > +&wdog3 { > + status = "okay"; > +}; > + > +&iomuxc { > + pinctrl_bt: btgrp { > + fsl,pins = < > + MX91_PAD_ENET2_MDIO__GPIO4_IO15 0x51e > + >; > + }; > + > + pinctrl_eqos: eqosgrp { > + fsl,pins = < > + MX91_PAD_ENET1_MDC__ENET1_MDC 0x57e > + MX91_PAD_ENET1_MDIO__ENET_QOS_MDIO 0x57e > + MX91_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0 0x57e > + MX91_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1 0x57e > + MX91_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2 0x57e > + MX91_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3 0x57e > + MX91_PAD_ENET1_RXC__ENET_QOS_RGMII_RXC 0x5fe > + MX91_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x57e > + MX91_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0 0x57e > + MX91_PAD_ENET1_TD1__ENET1_RGMII_TD1 0x57e > + MX91_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2 0x57e > + MX91_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3 0x57e > + MX91_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x5fe > + MX91_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x57e > + MX91_PAD_UART2_TXD__GPIO1_IO7 0x51e > + >; > + }; > + > + pinctrl_eqos_sleep: eqos-sleepgrp { > + fsl,pins = < > + MX91_PAD_ENET1_MDC__GPIO4_IO0 0x31e > + MX91_PAD_ENET1_MDIO__GPIO4_IO1 0x31e > + MX91_PAD_ENET1_RD0__GPIO4_IO10 0x31e > + MX91_PAD_ENET1_RD1__GPIO4_IO11 0x31e > + MX91_PAD_ENET1_RD2__GPIO4_IO12 0x31e > + MX91_PAD_ENET1_RD3__GPIO4_IO13 0x31e > + MX91_PAD_ENET1_RXC__GPIO4_IO9 0x31e > + MX91_PAD_ENET1_RX_CTL__GPIO4_IO8 0x31e > + MX91_PAD_ENET1_TD0__GPIO4_IO5 0x31e > + MX91_PAD_ENET1_TD1__GPIO4_IO4 0x31e > + MX91_PAD_ENET1_TD2__GPIO4_IO3 0x31e > + MX91_PAD_ENET1_TD3__GPIO4_IO2 0x31e > + MX91_PAD_ENET1_TXC__GPIO4_IO7 0x31e > + MX91_PAD_ENET1_TX_CTL__GPIO4_IO6 0x31e > + >; > + }; > + > + pinctrl_lpi2c3: lpi2c3grp { > + fsl,pins = < > + MX91_PAD_GPIO_IO28__LPI2C3_SDA 0x40000b9e > + MX91_PAD_GPIO_IO29__LPI2C3_SCL 0x40000b9e > + >; > + }; > + > + pinctrl_lpi2c3_gpio: lpi2c3gpiogrp { > + fsl,pins = < > + MX91_PAD_GPIO_IO28__GPIO2_IO28 0x40000b9e > + MX91_PAD_GPIO_IO29__GPIO2_IO29 0x40000b9e > + >; > + }; > + > + pinctrl_sai1: sai1grp { > + fsl,pins = < > + MX91_PAD_SAI1_TXC__SAI1_TX_BCLK 0x31e > + MX91_PAD_SAI1_TXFS__SAI1_TX_SYNC 0x31e > + MX91_PAD_SAI1_TXD0__SAI1_TX_DATA0 0x31e > + MX91_PAD_SAI1_RXD0__SAI1_RX_DATA0 0x31e > + MX91_PAD_I2C2_SDA__SAI1_RX_BCLK 0x31e > + MX91_PAD_I2C2_SCL__SAI1_RX_SYNC 0x31e > + MX91_PAD_UART2_RXD__SAI1_MCLK 0x31e > + >; > + }; > + > + pinctrl_sai1_sleep: sai1-sleepgrp { > + fsl,pins = < > + MX91_PAD_SAI1_TXC__GPIO1_IO12 0x31e > + MX91_PAD_SAI1_TXFS__GPIO1_IO11 0x31e > + MX91_PAD_SAI1_TXD0__GPIO1_IO13 0x31e > + MX91_PAD_SAI1_RXD0__GPIO1_IO14 0x31e > + MX91_PAD_UART2_RXD__GPIO1_IO6 0x31e > + MX91_PAD_I2C2_SDA__GPIO1_IO3 0x31e > + MX91_PAD_I2C2_SCL__GPIO1_IO2 0x31e > + >; > + }; > + > + pinctrl_uart5: uart5grp { > + fsl,pins = < > + MX91_PAD_DAP_TDO_TRACESWO__LPUART5_TX 0x31e > + MX91_PAD_DAP_TDI__LPUART5_RX 0x31e > + MX91_PAD_DAP_TMS_SWDIO__LPUART5_RTS_B 0x31e > + MX91_PAD_DAP_TCLK_SWCLK__LPUART5_CTS_B 0x31e > + >; > + }; > + > + pinctrl_usdhc1: usdhc1grp { > + fsl,pins = < > + MX91_PAD_SD1_CLK__USDHC1_CLK 0x1582 > + MX91_PAD_SD1_CMD__USDHC1_CMD 0x1382 > + MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x1382 > + MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x1382 > + MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x1382 > + MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x1382 > + MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x1382 > + MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x1382 > + MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x1382 > + MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x1382 > + MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x1582 > + >; > + }; > + > + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp { > + fsl,pins = < > + MX91_PAD_SD1_CLK__USDHC1_CLK 0x158e > + MX91_PAD_SD1_CMD__USDHC1_CMD 0x138e > + MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x138e > + MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x138e > + MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x138e > + MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x138e > + MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x138e > + MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x138e > + MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x138e > + MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x138e > + MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x158e > + >; > + }; > + > + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp { > + fsl,pins = < > + MX91_PAD_SD1_CLK__USDHC1_CLK 0x15fe > + MX91_PAD_SD1_CMD__USDHC1_CMD 0x13fe > + MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x13fe > + MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x13fe > + MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x13fe > + MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x13fe > + MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x13fe > + MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x13fe > + MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x13fe > + MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x13fe > + MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x15fe > + >; > + }; > + > + pinctrl_usdhc3: usdhc3grp { > + fsl,pins = < > + MX91_PAD_SD3_CLK__USDHC3_CLK 0x1582 > + MX91_PAD_SD3_CMD__USDHC3_CMD 0x1382 > + MX91_PAD_SD3_DATA0__USDHC3_DATA0 0x1382 > + MX91_PAD_SD3_DATA1__USDHC3_DATA1 0x1382 > + MX91_PAD_SD3_DATA2__USDHC3_DATA2 0x1382 > + MX91_PAD_SD3_DATA3__USDHC3_DATA3 0x1382 > + >; > + }; > + > + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp { > + fsl,pins = < > + MX91_PAD_SD3_CLK__USDHC3_CLK 0x158e > + MX91_PAD_SD3_CMD__USDHC3_CMD 0x138e > + MX91_PAD_SD3_DATA0__USDHC3_DATA0 0x138e > + MX91_PAD_SD3_DATA1__USDHC3_DATA1 0x138e > + MX91_PAD_SD3_DATA2__USDHC3_DATA2 0x138e > + MX91_PAD_SD3_DATA3__USDHC3_DATA3 0x138e > + >; > + }; > + > + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp { > + fsl,pins = < > + MX91_PAD_SD3_CLK__USDHC3_CLK 0x15fe > + MX91_PAD_SD3_CMD__USDHC3_CMD 0x13fe > + MX91_PAD_SD3_DATA0__USDHC3_DATA0 0x13fe > + MX91_PAD_SD3_DATA1__USDHC3_DATA1 0x13fe > + MX91_PAD_SD3_DATA2__USDHC3_DATA2 0x13fe > + MX91_PAD_SD3_DATA3__USDHC3_DATA3 0x13fe > + >; > + }; > + > + pinctrl_usdhc3_sleep: usdhc3-sleepgrp { > + fsl,pins = < > + MX91_PAD_SD3_CLK__GPIO3_IO20 0x31e > + MX91_PAD_SD3_CMD__GPIO3_IO21 0x31e > + MX91_PAD_SD3_DATA0__GPIO3_IO22 0x31e > + MX91_PAD_SD3_DATA1__GPIO3_IO23 0x31e > + MX91_PAD_SD3_DATA2__GPIO3_IO24 0x31e > + MX91_PAD_SD3_DATA3__GPIO3_IO25 0x31e > + >; > + }; > + > + pinctrl_usdhc3_wlan: usdhc3wlangrp { > + fsl,pins = < > + MX91_PAD_ENET2_MDC__GPIO4_IO14 0x51e > + MX91_PAD_SD2_RESET_B__GPIO3_IO7 0x51e > + >; > + }; > +}; > -- > 2.47.3 >