xref: /linux/scripts/dtc/include-prefixes/arm64/freescale/imx91-var-som.dtsi (revision b2128290c29902315e632ea59e0504d6bc9e9b42)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Common dtsi for Variscite VAR-SOM-MX91
 *
 * Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/var-som-mx91/
 *
 * Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/
 *
 */

/dts-v1/;

#include "imx91.dtsi"

/{
	model = "Variscite VAR-SOM-MX91 module";
	compatible = "variscite,var-som-mx91", "fsl,imx91";

	usdhc3_pwrseq: mmc-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 */
	};

	sound {
		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,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";
		simple-audio-card,mclk-fs = <256>;

		codec_dai: simple-audio-card,codec {
			sound-dai = <&wm8904>;
		};

		simple-audio-card,cpu {
			sound-dai = <&sai1>;
		};
	};
};

&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 = <&ethphy0>;
	snps,clk-csr = <5>;
	status = "okay";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <0>;
			eee-broken-1000t;
			reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
			reset-assert-us = <15000>;
			reset-deassert-us = <100000>;
		};
	};
};

&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>;
	sda-gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
	status = "okay";

	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;
			};
		};
	};

	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>;
	};
};

&lpspi8 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_lpspi8>;
	cs-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
	status = "okay";
};

/* BT module */
&lpuart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_lpuart5>, <&pinctrl_bluetooth>;
	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>;
	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>;
	bus-width = <4>;
	keep-power-in-suspend;
	mmc-pwrseq = <&usdhc3_pwrseq>;
	non-removable;
	wakeup-source;
	status = "okay";
};

&iomuxc {
	pinctrl_bluetooth: bluetoothgrp {
		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: lpi2c3-gpiogrp {
		fsl,pins = <
			MX91_PAD_GPIO_IO28__GPIO2_IO28				0x40000b9e
			MX91_PAD_GPIO_IO29__GPIO2_IO29				0x40000b9e
		>;
	};

	pinctrl_lpspi8: lpspi8grp {
		fsl,pins = <
			MX91_PAD_GPIO_IO12__GPIO2_IO12				0x31e
			MX91_PAD_GPIO_IO13__LPSPI8_SIN				0x31e
			MX91_PAD_GPIO_IO14__LPSPI8_SOUT				0x31e
			MX91_PAD_GPIO_IO15__LPSPI8_SCK				0x31e
		>;
	};

	pinctrl_lpuart5: lpuart5grp {
		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_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_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: usdhc3-wlangrp {
		fsl,pins = <
			MX91_PAD_ENET2_MDC__GPIO4_IO14				0x51e
			MX91_PAD_SD2_RESET_B__GPIO3_IO7				0x51e
		>;
	};
};