arch/arm/boot/dts/imx7d-remarkable2.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 * Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/
 *
 */

/dts-v1/;

#include "imx7d.dtsi"

/ {
	model = "reMarkable 2.0";
	compatible = "remarkable,imx7d-remarkable2", "fsl,imx7d";

	chosen {
		stdout-path = &uart6;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x40000000>;
	};

	reg_brcm: regulator-brcm {
		compatible = "regulator-fixed";
		regulator-name = "brcm_reg";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_brcm_reg>;
		gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <150>;
	};

	wifi_pwrseq: wifi_pwrseq {
		compatible = "mmc-pwrseq-simple";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_wifi>;
		reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
		clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
		clock-names = "ext_clock";
	};
};

&clks {
	assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
			  <&clks IMX7D_CLKO2_ROOT_DIV>;
	assigned-clock-parents = <&clks IMX7D_CKIL>;
	assigned-clock-rates = <0>, <32768>;
};

&snvs_pwrkey {
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
	assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
	status = "okay";
};

&uart6 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart6>;
	assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
	assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
	status = "okay";
};

&usbotg2 {
	srp-disable;
	hnp-disable;
	status = "okay";
};

&usdhc2 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
	pinctrl-0 = <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
	mmc-pwrseq = <&wifi_pwrseq>;
	vmmc-supply = <&reg_brcm>;
	bus-width = <4>;
	non-removable;
	keep-power-in-suspend;
	cap-power-off-card;
	status = "okay";

	brcmf: bcrmf@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
	};
};

&usdhc3 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
	pinctrl-0 = <&pinctrl_usdhc3>;
	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
	pinctrl-3 = <&pinctrl_usdhc3>;
	assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
	assigned-clock-rates = <400000000>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
};

&iomuxc {
	pinctrl_brcm_reg: brcmreggrp {
		fsl,pins = <
			/* WIFI_PWR_EN */
			MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13	0x14
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
			MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX	0x79
		>;
	};

	pinctrl_uart6: uart6grp {
		fsl,pins = <
			MX7D_PAD_EPDC_DATA09__UART6_DCE_TX		0x79
			MX7D_PAD_EPDC_DATA08__UART6_DCE_RX		0x79
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX7D_PAD_SD2_CMD__SD2_CMD		0x59
			MX7D_PAD_SD2_CLK__SD2_CLK		0x19
			MX7D_PAD_SD2_DATA0__SD2_DATA0		0x59
			MX7D_PAD_SD2_DATA1__SD2_DATA1		0x59
			MX7D_PAD_SD2_DATA2__SD2_DATA2		0x59
			MX7D_PAD_SD2_DATA3__SD2_DATA3		0x59
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
		fsl,pins = <
			MX7D_PAD_SD2_CMD__SD2_CMD		0x5a
			MX7D_PAD_SD2_CLK__SD2_CLK		0x1a
			MX7D_PAD_SD2_DATA0__SD2_DATA0		0x5a
			MX7D_PAD_SD2_DATA1__SD2_DATA1		0x5a
			MX7D_PAD_SD2_DATA2__SD2_DATA2		0x5a
			MX7D_PAD_SD2_DATA3__SD2_DATA3		0x5a
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
		fsl,pins = <
			MX7D_PAD_SD2_CMD__SD2_CMD		0x5b
			MX7D_PAD_SD2_CLK__SD2_CLK		0x1b
			MX7D_PAD_SD2_DATA0__SD2_DATA0		0x5b
			MX7D_PAD_SD2_DATA1__SD2_DATA1		0x5b
			MX7D_PAD_SD2_DATA2__SD2_DATA2		0x5b
			MX7D_PAD_SD2_DATA3__SD2_DATA3		0x5b
		>;
	};

	pinctrl_usdhc3: usdhc3grp {
		fsl,pins = <
			MX7D_PAD_SD3_CMD__SD3_CMD		0x59
			MX7D_PAD_SD3_CLK__SD3_CLK		0x19
			MX7D_PAD_SD3_DATA0__SD3_DATA0		0x59
			MX7D_PAD_SD3_DATA1__SD3_DATA1		0x59
			MX7D_PAD_SD3_DATA2__SD3_DATA2		0x59
			MX7D_PAD_SD3_DATA3__SD3_DATA3		0x59
			MX7D_PAD_SD3_DATA4__SD3_DATA4		0x59
			MX7D_PAD_SD3_DATA5__SD3_DATA5		0x59
			MX7D_PAD_SD3_DATA6__SD3_DATA6		0x59
			MX7D_PAD_SD3_DATA7__SD3_DATA7		0x59
			MX7D_PAD_SD3_STROBE__SD3_STROBE		0x19
		>;
	};

	pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
		fsl,pins = <
			MX7D_PAD_SD3_CMD__SD3_CMD		0x5a
			MX7D_PAD_SD3_CLK__SD3_CLK		0x1a
			MX7D_PAD_SD3_DATA0__SD3_DATA0		0x5a
			MX7D_PAD_SD3_DATA1__SD3_DATA1		0x5a
			MX7D_PAD_SD3_DATA2__SD3_DATA2		0x5a
			MX7D_PAD_SD3_DATA3__SD3_DATA3		0x5a
			MX7D_PAD_SD3_DATA4__SD3_DATA4		0x5a
			MX7D_PAD_SD3_DATA5__SD3_DATA5		0x5a
			MX7D_PAD_SD3_DATA6__SD3_DATA6		0x5a
			MX7D_PAD_SD3_DATA7__SD3_DATA7		0x5a
			MX7D_PAD_SD3_STROBE__SD3_STROBE		0x1a
		>;
	};

	pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
		fsl,pins = <
			MX7D_PAD_SD3_CMD__SD3_CMD		0x5b
			MX7D_PAD_SD3_CLK__SD3_CLK		0x1b
			MX7D_PAD_SD3_DATA0__SD3_DATA0		0x5b
			MX7D_PAD_SD3_DATA1__SD3_DATA1		0x5b
			MX7D_PAD_SD3_DATA2__SD3_DATA2		0x5b
			MX7D_PAD_SD3_DATA3__SD3_DATA3		0x5b
			MX7D_PAD_SD3_DATA4__SD3_DATA4		0x5b
			MX7D_PAD_SD3_DATA5__SD3_DATA5		0x5b
			MX7D_PAD_SD3_DATA6__SD3_DATA6		0x5b
			MX7D_PAD_SD3_DATA7__SD3_DATA7		0x5b
			MX7D_PAD_SD3_STROBE__SD3_STROBE		0x1b
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY	0x74
		>;
	};

	pinctrl_wifi: wifigrp {
		fsl,pins = <
			/* WiFi Reg On */
			MX7D_PAD_SD2_CD_B__GPIO5_IO9		0x00000014
			/* WiFi Sleep 32k */
			MX7D_PAD_SD1_WP__CCM_CLKO2		0x00000014
		>;
	};
};