// SPDX-License-Identifier: GPL-2.0+
/*
 * Support for Variscite VAR-SOM-MX6 Module
 *
 * Copyright 2011 Linaro Ltd.
 * Copyright 2012 Freescale Semiconductor, Inc.
 * Copyright (C) 2014-2016 Variscite, Ltd.
 * Author: Donio Ron <ron.d@variscite.com>
 * Copyright 2022 Bootlin
 */

/dts-v1/;

#include "imx6q.dtsi"
#include <dt-bindings/clock/imx6qdl-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/sound/fsl-imx-audmux.h>

/ {
	model = "Variscite VAR-SOM-MX6 module";
	compatible = "variscite,var-som-imx6q", "fsl,imx6q";

	chosen {
		stdout-path = &uart1;
	};

	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0x40000000>;
	};

	reg_usb_otg_vbus: regulator-usb-otg-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usb_h1_vbus: regulator-usb-h1-vbud {
		compatible = "regulator-fixed";
		regulator-name = "usb_h1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_1p8v: regulator-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "1P8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	reg_wl18xx_vmmc: regulator-wl18xx {
		compatible = "regulator-fixed";
		regulator-name = "vwl1807";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		gpio = <&gpio7 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <70000>;
	};

	sound: sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "var-som-audio";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound_codec>;
		simple-audio-card,frame-master = <&sound_codec>;
		simple-audio-card,widgets = "Headphone", "Headphone Jack",
					    "Line", "Line In", "Microphone", "Mic Jack";
		simple-audio-card,routing = "Headphone Jack", "HPLOUT",
					    "Headphone Jack", "HPROUT",
					    "LINE1L", "Line In",
					    "LINE1R", "Line In";

		sound_cpu: simple-audio-card,cpu {
			sound-dai = <&ssi2>;
		};

		sound_codec: simple-audio-card,codec {
			sound-dai = <&tlv320aic3106>;
			clocks = <&clks IMX6QDL_CLK_CKO>;
		};
	};

	rfkill {
		compatible = "rfkill-gpio";
		name = "rfkill";
		radio-type = "bluetooth";
		shutdown-gpios = <&gpio6 18 GPIO_ACTIVE_HIGH>;
	};
};

&audmux {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_audmux>;
	status = "okay";

	mux-ssi2 {
		fsl,audmux-port = <1>;
		fsl,port-config = <
			(IMX_AUDMUX_V2_PTCR_SYN |
			IMX_AUDMUX_V2_PTCR_TFSDIR |
			IMX_AUDMUX_V2_PTCR_TFSEL(2) |
			IMX_AUDMUX_V2_PTCR_TCLKDIR |
			IMX_AUDMUX_V2_PTCR_TCSEL(2))
			IMX_AUDMUX_V2_PDCR_RXDSEL(2)
		>;
	};

	mux-aud3 {
		fsl,audmux-port = <2>;
		fsl,port-config = <
			IMX_AUDMUX_V2_PTCR_SYN
			IMX_AUDMUX_V2_PDCR_RXDSEL(1)
		>;
	};
};

&ecspi3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi3>;
	cs-gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet>;
	phy-mode = "rgmii";
	phy-handle = <&rgmii_phy>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		rgmii_phy: ethernet-phy@7 {
			reg = <7>;
			reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
			reset-assert-us = <10000>;
		};
	};
};

&gpmi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpmi_nand>;
	status = "okay";
};

&i2c2 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	pmic@8 {
		compatible = "fsl,pfuze100";
		reg = <0x08>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;

		regulators {
			sw1a_reg: sw1ab {
				regulator-min-microvolt = <300000>;
				regulator-max-microvolt = <1875000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			sw1c_reg: sw1c {
				regulator-min-microvolt = <300000>;
				regulator-max-microvolt = <1875000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			sw2_reg: sw2 {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw3a_reg: sw3a {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw3b_reg: sw3b {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw4_reg: sw4 {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			snvs_reg: vsnvs {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <3000000>;
				regulator-boot-on;
				regulator-always-on;
			};

			vref_reg: vrefddr {
				regulator-boot-on;
				regulator-always-on;
			};

			vgen1_reg: vgen1 {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1550000>;
			};

			vgen2_reg: vgen2 {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1550000>;
			};

			vgen3_reg: vgen3 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				regulator-boot-on;
			};

			vgen4_reg: vgen4 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				regulator-boot-on;
			};

			vgen5_reg: vgen5 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
				regulator-boot-on;
			};

			vgen6_reg: vgen6 {
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
				regulator-always-on;
				regulator-boot-on;
			};
		};
	};

	tlv320aic3106: audio-codec@1b {
		compatible = "ti,tlv320aic3106";
		reg = <0x1b>;
		#sound-dai-cells = <0>;
		DRVDD-supply = <&reg_3p3v>;
		AVDD-supply = <&reg_3p3v>;
		IOVDD-supply = <&reg_3p3v>;
		DVDD-supply = <&reg_1p8v>;
		ai3x-ocmv = <0>;
		reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>;
		ai3x-gpio-func = <
			0 /* AIC3X_GPIO1_FUNC_DISABLED */
			5 /* AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT */
		>;
	};
};

&iomuxc {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_hog>;

	pinctrl_audmux: audmuxgrp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT7__AUD3_RXD		0x130b0
			MX6QDL_PAD_CSI0_DAT4__AUD3_TXC		0x130b0
			MX6QDL_PAD_CSI0_DAT5__AUD3_TXD		0x110b0
			MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS		0x130b0
			/* Audio Clock */
			MX6QDL_PAD_GPIO_0__CCM_CLKO1		0x130b0
		>;
	};

	pinctrl_bt: btgrp {
		fsl,pins = <
			/* Bluetooth/wifi enable */
			MX6QDL_PAD_SD3_DAT6__GPIO6_IO18		0x1b0b1
			/* Wifi Slow Clock */
			MX6QDL_PAD_ENET_RXD0__OSC32K_32K_OUT	0x000b0
		>;
	};

	pinctrl_ecspi3: ecspi3grp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO	0x100b1
			MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI	0x100b1
			MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK	0x100b1
		>;
	};

	pinctrl_enet: enetgrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b0b0
			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b0b0
			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b0b0
			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b0b0
			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b0b0
			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b0b0
			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x1b0b0
			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b0b0
			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x1b0b0
			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x1b0b0
			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b0b0
			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b0b0
			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x1b0b0
		>;
	};

	pinctrl_enet_irq: enetirqgrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_6__ENET_IRQ	0x000b1
		>;
	};

	pinctrl_gpmi_nand: gpminandgrp {
		fsl,pins = <
			MX6QDL_PAD_NANDF_CLE__NAND_CLE		0xb0b1
			MX6QDL_PAD_NANDF_ALE__NAND_ALE		0xb0b1
			MX6QDL_PAD_NANDF_CS0__NAND_CE0_B	0xb0b1
			MX6QDL_PAD_NANDF_CS1__NAND_CE1_B	0xb0b1
			MX6QDL_PAD_NANDF_RB0__NAND_READY_B	0xb0b1
			MX6QDL_PAD_NANDF_D0__NAND_DATA00	0xb0b1
			MX6QDL_PAD_NANDF_D1__NAND_DATA01	0xb0b1
			MX6QDL_PAD_NANDF_D2__NAND_DATA02	0xb0b1
			MX6QDL_PAD_NANDF_D3__NAND_DATA03	0xb0b1
			MX6QDL_PAD_NANDF_D4__NAND_DATA04	0xb0b1
			MX6QDL_PAD_NANDF_D5__NAND_DATA05	0xb0b1
			MX6QDL_PAD_NANDF_D6__NAND_DATA06	0xb0b1
			MX6QDL_PAD_NANDF_D7__NAND_DATA07	0xb0b1
			MX6QDL_PAD_SD4_CMD__NAND_RE_B		0xb0b1
			MX6QDL_PAD_SD4_CLK__NAND_WE_B		0xb0b1
			MX6QDL_PAD_NANDF_WP_B__NAND_WP_B	0xb0b1
		>;
	};

	pinctrl_hog: hoggrp {
		fsl,pins = <
			/* CTW6120 IRQ */
			MX6QDL_PAD_EIM_DA7__GPIO3_IO07		0xb0b1
			/* SDMMC2 CD/WP */
			MX6QDL_PAD_KEY_COL4__GPIO4_IO14		0x1b0b0
			MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x1b0b0
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA	0x4001b8b1
			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL	0x4001b8b1
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL3__I2C2_SCL	0x4001b8b1
			MX6QDL_PAD_KEY_ROW3__I2C2_SDA	0x4001b8b1
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_5__I2C3_SCL	0x4001b8b1
			MX6QDL_PAD_GPIO_16__I2C3_SDA	0x4001b8b1
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			/* PMIC INT */
			MX6QDL_PAD_GPIO_17__GPIO7_IO12	0x1b0b0
		>;
	};

	pinctrl_pwm2: pwm2grp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT9__PWM2_OUT	0x1b0b1
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_DAT4__UART2_RX_DATA	0x1b0b1
			MX6QDL_PAD_SD3_DAT5__UART2_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D28__UART2_CTS_B		0x1b0b1
			MX6QDL_PAD_EIM_D29__UART2_RTS_B		0x1b0b1
		>;
	};

	pinctrl_usdhc3: usdhc3grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_CMD__SD3_CMD	0x17069
			MX6QDL_PAD_SD3_CLK__SD3_CLK	0x10069
			MX6QDL_PAD_SD3_DAT0__SD3_DATA0	0x17069
			MX6QDL_PAD_SD3_DAT1__SD3_DATA1	0x17069
			MX6QDL_PAD_SD3_DAT2__SD3_DATA2	0x17069
			MX6QDL_PAD_SD3_DAT3__SD3_DATA3	0x17069
			/* WL_EN */
			MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x13059
			/* WL_IRQ */
			MX6QDL_PAD_SD3_RST__GPIO7_IO08  0x13059
		>;
	};

	pinctrl_usdhc3_100mhz: usdhc3-100mhz-grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_CMD__SD3_CMD	0x170B9
			MX6QDL_PAD_SD3_CLK__SD3_CLK	0x100B9
			MX6QDL_PAD_SD3_DAT0__SD3_DATA0	0x170B9
			MX6QDL_PAD_SD3_DAT1__SD3_DATA1	0x170B9
			MX6QDL_PAD_SD3_DAT3__SD3_DATA3	0x170B9
			MX6QDL_PAD_SD3_DAT3__SD3_DATA3	0x170B9
			/* WL_EN */
			MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x130B9
			/* WL_IRQ */
			MX6QDL_PAD_SD3_RST__GPIO7_IO08  0x130B9
		>;
	};

	pinctrl_usdhc3_200mhz: usdhc3-200mhz-grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_CMD__SD3_CMD	0x170F9
			MX6QDL_PAD_SD3_CLK__SD3_CLK	0x100F9
			MX6QDL_PAD_SD3_DAT0__SD3_DATA0	0x170F9
			MX6QDL_PAD_SD3_DAT1__SD3_DATA1	0x170F9
			MX6QDL_PAD_SD3_DAT2__SD3_DATA2	0x170F9
			MX6QDL_PAD_SD3_DAT3__SD3_DATA3	0x170F9
			/* WL_EN */
			MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x130F9
			/* WL_IRQ */
			MX6QDL_PAD_SD3_RST__GPIO7_IO08  0x130F9
		>;
	};
};

&pwm2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm2>;
	status = "okay";
};

&reg_arm {
	vin-supply = <&sw1a_reg>;
};

&reg_pu {
	vin-supply = <&sw1c_reg>;
};

&reg_soc {
	vin-supply = <&sw1c_reg>;
};

&reg_vdd1p1 {
	vin-supply = <&vgen5_reg>;
};

&reg_vdd2p5 {
	vin-supply = <&vgen5_reg>;
};

&snvs_poweroff {
	status = "okay";
};

&ssi2 {
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2 &pinctrl_bt>;
	uart-has-rtscts;
	status = "okay";
};

&usbh1 {
	vbus-supply = <&reg_usb_h1_vbus>;
	status = "okay";
};

&usbotg {
	vbus-supply = <&reg_usb_otg_vbus>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbotg_var>;
	disable-over-current;
	dr_mode = "host";
	status = "okay";
};

&usbphy1 {
	fsl,tx-d-cal = <0x5>;
};

&usbphy2 {
	fsl,tx-d-cal = <0x5>;
};

&usdhc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc1>;
	non-removable;
	keep-power-in-suspend;
	status = "okay";
};

&usdhc3 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc3>;
	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
	bus-width = <4>;
	vmmc-supply = <&reg_wl18xx_vmmc>;
	non-removable;
	wakeup-source;
	keep-power-in-suspend;
	cap-power-off-card;
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	wifi: wifi@2 {
		compatible = "ti,wl1835";
		reg = <2>;
		interrupt-parent = <&gpio6>;
		interrupts = <17 IRQ_TYPE_EDGE_RISING>;
		ref-clock-frequency = <38400000>;
	};
};
