From: Stefano Radaelli Date: Fri, 13 Mar 2026 17:47:02 +0000 (+0100) Subject: arm64: dts: freescale: Add support for Variscite DART-MX95 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bec2988b470ef278c2e7238e8d7edd097853a4ea;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: freescale: Add support for Variscite DART-MX95 Add device tree support for the Variscite DART-MX95 system on module. This SOM is designed to be used with various carrier boards. The module includes: - NXP i.MX95 MPU processor - Up to 16GB of LPDDR5 memory - Up to 128GB of eMMC storage memory - Integrated 10/100/1000 Mbps Ethernet Transceiver - Codec audio WM8904 - WIFI6 dual-band 802.11ax/ac/a/b/g/n with optional 802.15.4 and Bluetooth Only SOM-specific peripherals are enabled by default. 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-95/dart-mx95/ Signed-off-by: Stefano Radaelli Signed-off-by: Frank Li --- diff --git a/arch/arm64/boot/dts/freescale/imx95-var-dart.dtsi b/arch/arm64/boot/dts/freescale/imx95-var-dart.dtsi new file mode 100644 index 000000000000..a20fadacaa6d --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx95-var-dart.dtsi @@ -0,0 +1,425 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Common dtsi for Variscite DART-MX95 + * + * Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-95/dart-mx95/ + * + * Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/ + * + */ + +/dts-v1/; + +#include +#include +#include "imx95.dtsi" + +/ { + model = "Variscite DART-MX95 Module"; + compatible = "variscite,var-dart-mx95", "fsl,imx95"; + + memory@80000000 { + device_type = "memory"; + reg = <0x0 0x80000000 0 0x80000000>; + }; + + reg_1p8v: regulator-1p8v { + compatible = "regulator-fixed"; + regulator-max-microvolt = <1800000>; + regulator-min-microvolt = <1800000>; + regulator-name = "+V1.8_SW"; + }; + + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "+V3.3_SW"; + }; + + reg_vref_1v8: regulator-adc-vref { + compatible = "regulator-fixed"; + regulator-name = "vref_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + reg_audio: regulator-audio-vdd { + compatible = "regulator-fixed"; + regulator-name = "wm8904_supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + reserved-memory { + ranges; + #address-cells = <2>; + #size-cells = <2>; + + linux_cma: linux,cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0 0x80000000 0 0x7F000000>; + reusable; + size = <0 0x3c000000>; + linux,cma-default; + }; + }; + + 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 = <&sai3>; + }; + }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + post-power-on-delay-ms = <100>; + power-off-delay-us = <10000>; + reset-gpios = <&gpio4 29 GPIO_ACTIVE_LOW>, /* WIFI_RESET */ + <&gpio2 27 GPIO_ACTIVE_LOW>; /* WIFI_PWR_EN */ + }; +}; + +&adc1 { + vref-supply = <®_vref_1v8>; + status = "okay"; +}; + +&enetc_port0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enetc0>; + phy-handle = <ðphy0>; + /* + * 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"; + status = "okay"; +}; + +&lpi2c8 { + clock-frequency = <400000>; + pinctrl-names = "default","gpio","sleep"; + pinctrl-0 = <&pinctrl_lpi2c8>; + pinctrl-1 = <&pinctrl_lpi2c8_gpio>; + pinctrl-2 = <&pinctrl_lpi2c8_gpio>; + scl-gpios = <&gpio2 10 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio2 11 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + status = "okay"; + + wm8904: audio-codec@1a { + compatible = "wlf,wm8904"; + reg = <0x1a>; + #sound-dai-cells = <0>; + clocks = <&scmi_clk IMX95_CLK_SAI3>; + clock-names = "mclk"; + AVDD-supply = <®_audio>; + CPVDD-supply = <®_audio>; + DBVDD-supply = <®_audio>; + DCVDD-supply = <®_audio>; + MICVDD-supply = <®_audio>; + 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>; + }; +}; + +/* BT */ +&lpuart5 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart5>, <&pinctrl_bt>; + status = "okay"; + + bluetooth { + compatible = "nxp,88w8987-bt"; + }; +}; + +&mu7 { + status = "okay"; +}; + +&netc_emdio { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_emdio>, <&pinctrl_phy0res>; + status = "okay"; + + ethphy0: ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + reset-gpios = <&gpio5 16 GPIO_ACTIVE_LOW>; + reset-assert-us = <10000>; + 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"; + }; + }; + }; +}; + +&netc_timer { + status = "okay"; +}; + +&sai3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai3>; + assigned-clocks = <&scmi_clk IMX95_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX95_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX95_CLK_AUDIOPLL1>, + <&scmi_clk IMX95_CLK_AUDIOPLL2>, + <&scmi_clk IMX95_CLK_SAI3>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX95_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, + <3612672000>, <393216000>, + <361267200>, <12288000>; + #sound-dai-cells = <0>; + fsl,sai-mclk-direction-output; + status = "okay"; +}; + +/* eMMC */ +&usdhc1 { + pinctrl-names = "default","state_100mhz","state_200mhz","sleep"; + pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; + pinctrl-3 = <&pinctrl_usdhc1>; + bus-width = <8>; + non-removable; + no-sdio; + no-sd; + status = "okay"; +}; + +/* WiFi */ +&usdhc3 { + pinctrl-names = "default","state_100mhz","state_200mhz","sleep"; + pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_gpio>; + pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_gpio>; + pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_gpio>; + pinctrl-3 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_gpio>; + mmc-pwrseq = <&wifi_pwrseq>; + bus-width = <4>; + non-removable; + wakeup-source; + keep-power-in-suspend; + status = "okay"; +}; + +&wdog3 { + fsl,ext-reset-output; + status = "okay"; +}; + +&scmi_iomuxc { + pinctrl_bt: btgrp { + fsl,pins = < + IMX95_PAD_CCM_CLKO3__GPIO4_IO_BIT28 0x31e + >; + }; + + pinctrl_emdio: emdiogrp { + fsl,pins = < + IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC 0x57e + IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e + >; + }; + + pinctrl_enetc0: enetc0grp { + fsl,pins = < + IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e + IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e + IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e + IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e + IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e + IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e + IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e + IMX95_PAD_ENET1_RXC__NETCMIX_TOP_ETH0_RGMII_RX_CLK 0x58e + IMX95_PAD_ENET1_RD0__NETCMIX_TOP_ETH0_RGMII_RD0 0x57e + IMX95_PAD_ENET1_RD1__NETCMIX_TOP_ETH0_RGMII_RD1 0x57e + IMX95_PAD_ENET1_RD2__NETCMIX_TOP_ETH0_RGMII_RD2 0x57e + IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3 0x57e + >; + }; + + pinctrl_lpi2c8: lpi2c8grp { + fsl,pins = < + IMX95_PAD_GPIO_IO10__LPI2C8_SDA 0x40000b9e + IMX95_PAD_GPIO_IO11__LPI2C8_SCL 0x40000b9e + >; + }; + + pinctrl_lpi2c8_gpio: lpi2c8gpiogrp { + fsl,pins = < + IMX95_PAD_GPIO_IO10__GPIO2_IO_BIT10 0x31e + IMX95_PAD_GPIO_IO11__GPIO2_IO_BIT11 0x31e + >; + }; + + pinctrl_phy0res: phy0resgrp { + fsl,pins = < + IMX95_PAD_GPIO_IO36__GPIO5_IO_BIT16 0x31e + >; + }; + + pinctrl_sai3: sai3grp { + fsl,pins = < + IMX95_PAD_GPIO_IO17__SAI3_MCLK 0x31e + IMX95_PAD_GPIO_IO16__SAI3_TX_BCLK 0x31e + IMX95_PAD_GPIO_IO26__SAI3_TX_SYNC 0x31e + IMX95_PAD_GPIO_IO20__SAI3_RX_DATA_BIT0 0x31e + IMX95_PAD_GPIO_IO21__SAI3_TX_DATA_BIT0 0x31e + >; + }; + + pinctrl_uart5: uart5grp { + fsl,pins = < + IMX95_PAD_GPIO_IO00__LPUART5_TX 0x31e + IMX95_PAD_GPIO_IO01__LPUART5_RX 0x31e + IMX95_PAD_GPIO_IO02__LPUART5_CTS_B 0x31e + IMX95_PAD_GPIO_IO03__LPUART5_RTS_B 0x31e + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + IMX95_PAD_SD1_CLK__USDHC1_CLK 0x158e + IMX95_PAD_SD1_CMD__USDHC1_CMD 0x138e + IMX95_PAD_SD1_DATA0__USDHC1_DATA0 0x138e + IMX95_PAD_SD1_DATA1__USDHC1_DATA1 0x138e + IMX95_PAD_SD1_DATA2__USDHC1_DATA2 0x138e + IMX95_PAD_SD1_DATA3__USDHC1_DATA3 0x138e + IMX95_PAD_SD1_DATA4__USDHC1_DATA4 0x138e + IMX95_PAD_SD1_DATA5__USDHC1_DATA5 0x138e + IMX95_PAD_SD1_DATA6__USDHC1_DATA6 0x138e + IMX95_PAD_SD1_DATA7__USDHC1_DATA7 0x138e + IMX95_PAD_SD1_STROBE__USDHC1_STROBE 0x158e + >; + }; + + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp { + fsl,pins = < + IMX95_PAD_SD1_CLK__USDHC1_CLK 0x158e + IMX95_PAD_SD1_CMD__USDHC1_CMD 0x138e + IMX95_PAD_SD1_DATA0__USDHC1_DATA0 0x138e + IMX95_PAD_SD1_DATA1__USDHC1_DATA1 0x138e + IMX95_PAD_SD1_DATA2__USDHC1_DATA2 0x138e + IMX95_PAD_SD1_DATA3__USDHC1_DATA3 0x138e + IMX95_PAD_SD1_DATA4__USDHC1_DATA4 0x138e + IMX95_PAD_SD1_DATA5__USDHC1_DATA5 0x138e + IMX95_PAD_SD1_DATA6__USDHC1_DATA6 0x138e + IMX95_PAD_SD1_DATA7__USDHC1_DATA7 0x138e + IMX95_PAD_SD1_STROBE__USDHC1_STROBE 0x158e + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp { + fsl,pins = < + IMX95_PAD_SD1_CLK__USDHC1_CLK 0x15fe + IMX95_PAD_SD1_CMD__USDHC1_CMD 0x13fe + IMX95_PAD_SD1_DATA0__USDHC1_DATA0 0x13fe + IMX95_PAD_SD1_DATA1__USDHC1_DATA1 0x13fe + IMX95_PAD_SD1_DATA2__USDHC1_DATA2 0x13fe + IMX95_PAD_SD1_DATA3__USDHC1_DATA3 0x13fe + IMX95_PAD_SD1_DATA4__USDHC1_DATA4 0x13fe + IMX95_PAD_SD1_DATA5__USDHC1_DATA5 0x13fe + IMX95_PAD_SD1_DATA6__USDHC1_DATA6 0x13fe + IMX95_PAD_SD1_DATA7__USDHC1_DATA7 0x13fe + IMX95_PAD_SD1_STROBE__USDHC1_STROBE 0x15fe + >; + }; + + pinctrl_usdhc3_gpio: usdhc3gpiogrp { + fsl,pins = < + IMX95_PAD_GPIO_IO27__GPIO2_IO_BIT27 0x31e + IMX95_PAD_CCM_CLKO4__GPIO4_IO_BIT29 0x31e + >; + }; + + pinctrl_usdhc3: usdhc3grp { + fsl,pins = < + IMX95_PAD_SD3_CLK__USDHC3_CLK 0x158e + IMX95_PAD_SD3_CMD__USDHC3_CMD 0x138e + IMX95_PAD_SD3_DATA0__USDHC3_DATA0 0x138e + IMX95_PAD_SD3_DATA1__USDHC3_DATA1 0x138e + IMX95_PAD_SD3_DATA2__USDHC3_DATA2 0x138e + IMX95_PAD_SD3_DATA3__USDHC3_DATA3 0x138e + >; + }; + + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp { + fsl,pins = < + IMX95_PAD_SD3_CLK__USDHC3_CLK 0x158e + IMX95_PAD_SD3_CMD__USDHC3_CMD 0x138e + IMX95_PAD_SD3_DATA0__USDHC3_DATA0 0x138e + IMX95_PAD_SD3_DATA1__USDHC3_DATA1 0x138e + IMX95_PAD_SD3_DATA2__USDHC3_DATA2 0x138e + IMX95_PAD_SD3_DATA3__USDHC3_DATA3 0x138e + >; + }; + + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp { + fsl,pins = < + IMX95_PAD_SD3_CLK__USDHC3_CLK 0x15fe + IMX95_PAD_SD3_CMD__USDHC3_CMD 0x13fe + IMX95_PAD_SD3_DATA0__USDHC3_DATA0 0x13fe + IMX95_PAD_SD3_DATA1__USDHC3_DATA1 0x13fe + IMX95_PAD_SD3_DATA2__USDHC3_DATA2 0x13fe + IMX95_PAD_SD3_DATA3__USDHC3_DATA3 0x13fe + >; + }; +};