xref: /linux/arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi (revision ec71f661a572a770d7c861cd52a50cbbb0e1a8d1)

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
 * Copyright 2024
 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
 */
/dts-v1/;
#include "imx28-lwe.dtsi"

/ {
	model = "BTT3";

	compatible = "lwn,imx28-btt3", "fsl,imx28";

	chosen {
	       bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1 quiet";
	};

	memory@40000000 {
		reg = <0x40000000 0x10000000>;
		device_type = "memory";
	};

	panel {
		compatible = "powertip,hx8238a", "panel-dpi";
		power-supply = <&reg_3v3>;
		width-mm = <70>;
		height-mm = <52>;

		panel-timing {
			clock-frequency = <6500000>;
			hactive = <320>;
			vactive = <240>;
			hfront-porch = <20>;
			hback-porch = <38>;
			hsync-len = <30>;
			vfront-porch = <4>;
			vback-porch = <14>;
			vsync-len = <4>;
			hsync-active = <0>;
			vsync-active = <0>;
			de-active = <0>;
			pixelclk-active = <1>;
		};

		port {
			panel_in: endpoint {
				remote-endpoint = <&display_out>;
			};
		};
	};

	poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "BTTC Audio";
		simple-audio-card,widgets = "Speaker", "BTTC Speaker";
		simple-audio-card,routing = "BTTC Speaker", "SPKOUTN", "BTTC Speaker", "SPKOUTP";

		simple-audio-card,dai-link@0 {
			format = "left_j";
			bitclock-master = <&dai0_master>;
			frame-master = <&dai0_master>;
			mclk-fs = <256>;

			dai0_master: cpu {
				sound-dai = <&saif0>;
			};

			codec {
				sound-dai = <&wm89xx>;
				clocks = <&saif0>;
			};
		};
	};

	wifi_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_en_pin_bttc>;
		reset-gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
		/* W1-163 needs 60us for WL_EN to be low and */
		/* 150ms after high before downloading FW is possible */
		post-power-on-delay-ms = <200>;
		power-off-delay-us = <100>;
	};
};

&auart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart0_2pins_a>;
	status = "okay";
};

&auart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart3_pins_a>;
	uart-has-rtscts;
	status = "okay";
};

&i2c0 {
	wm89xx: audio-codec@1a {
		compatible = "wlf,wm8940";
		reg = <0x1a>;
		#sound-dai-cells = <0>;
	};
};

&lcdif {
	pinctrl-names = "default";
	pinctrl-0 = <&lcdif_24bit_pins_a>, <&lcdif_sync_pins_bttc>,
		    <&lcdif_reset_pins_bttc>;
	status = "okay";

	port {
		display_out: endpoint {
			remote-endpoint = <&panel_in>;
		};
	};
};

&mac0 {
	clocks = <&clks 57>, <&clks 57>, <&clks 64>;
	clock-names = "ipg", "ahb", "enet_out";
	phy-handle = <&mac0_phy>;
	phy-mode = "rmii";
	phy-supply = <&reg_3v3>;
	/*
	 * This MAC address is adjusted during production.
	 * Value specified below is used as a fallback during recovery.
	 */
	local-mac-address = [ 00 11 B8 00 BF 8A ];
	status = "okay";

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

		mac0_phy: ethernet-phy@0 {
			/* LAN8720Ai - PHY ID */
			compatible = "ethernet-phy-id0007.c0f0","ethernet-phy-ieee802.3-c22";
			reg = <0>;
			smsc,disable-energy-detect;
			max-speed = <100>;
			reset-gpios = <&gpio4 12 GPIO_ACTIVE_LOW>;
			reset-assert-us = <1000>;
			reset-deassert-us = <1000>;
		};
	};
};

&pinctrl {
	pinctrl-names = "default";
	pinctrl-0 = <&hog_pins_a>, <&hog_pins_rev>;

	hog_pins_a: hog@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_GPMI_RDY2__GPIO_0_22
			MX28_PAD_GPMI_RDY3__GPIO_0_23
			MX28_PAD_GPMI_RDN__GPIO_0_24
			MX28_PAD_LCD_VSYNC__GPIO_1_28
			MX28_PAD_SSP2_SS1__GPIO_2_20
			MX28_PAD_SSP2_SS2__GPIO_2_21
			MX28_PAD_AUART2_CTS__GPIO_3_10
			MX28_PAD_AUART2_RTS__GPIO_3_11
			MX28_PAD_GPMI_WRN__GPIO_0_25
			MX28_PAD_ENET0_RXD2__GPIO_4_9
			MX28_PAD_ENET0_TXD2__GPIO_4_11
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
	};

	hog_pins_rev: hog@1 {
		reg = <1>;
		fsl,pinmux-ids = <
			MX28_PAD_ENET0_RXD3__GPIO_4_10
			MX28_PAD_ENET0_TX_CLK__GPIO_4_5
			MX28_PAD_ENET0_COL__GPIO_4_14
			MX28_PAD_ENET0_CRS__GPIO_4_15
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
	};

	keypad_pins_bttc: keypad-bttc@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_GPMI_D00__GPIO_0_0
			MX28_PAD_AUART0_CTS__GPIO_3_2
			MX28_PAD_AUART0_RTS__GPIO_3_3
			MX28_PAD_GPMI_D03__GPIO_0_3
			MX28_PAD_GPMI_D04__GPIO_0_4
			MX28_PAD_GPMI_D05__GPIO_0_5
			MX28_PAD_GPMI_D06__GPIO_0_6
			MX28_PAD_GPMI_D07__GPIO_0_7
			MX28_PAD_GPMI_CE1N__GPIO_0_17
			MX28_PAD_GPMI_CE2N__GPIO_0_18
			MX28_PAD_GPMI_CE3N__GPIO_0_19
			MX28_PAD_GPMI_RDY0__GPIO_0_20
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
	};

	lcdif_sync_pins_bttc: lcdif-bttc@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_LCD_DOTCLK__LCD_DOTCLK
			MX28_PAD_LCD_ENABLE__LCD_ENABLE
			MX28_PAD_LCD_HSYNC__LCD_HSYNC
			MX28_PAD_LCD_RD_E__LCD_VSYNC
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
	};

	lcdif_reset_pins_bttc: lcdif-bttc@1 {
		reg = <1>;
		fsl,pinmux-ids = <
			MX28_PAD_LCD_RESET__GPIO_3_30
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_ENABLE>;
	};

	ssp1_sdio_pins_a: ssp1-sdio@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_SSP1_DATA0__SSP1_D0
			MX28_PAD_GPMI_D01__SSP1_D1
			MX28_PAD_GPMI_D02__SSP1_D2
			MX28_PAD_SSP1_DATA3__SSP1_D3
			MX28_PAD_SSP1_CMD__SSP1_CMD
			MX28_PAD_SSP1_SCK__SSP1_SCK
		>;
		fsl,drive-strength = <MXS_DRIVE_8mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_ENABLE>;
	};

	wifi_en_pin_bttc: wifi-en-pin@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_GPMI_CLE__GPIO_0_27
		>;
		fsl,drive-strength = <MXS_DRIVE_8mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_ENABLE>;
	};
};

&pwm {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm3_pins_a>;
	status = "okay";
};

&reg_usb_5v {
	gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
};

&saif0 {
	pinctrl-names = "default";
	pinctrl-0 = <&saif0_pins_a>;
	#sound-dai-cells = <0>;
	assigned-clocks = <&clks 53>;
	assigned-clock-rates = <12000000>;
	status = "okay";
};

&saif1 {
	pinctrl-names = "default";
	pinctrl-0 = <&saif1_pins_a>;
	#sound-dai-cells = <0>;
	fsl,saif-master = <&saif0>;
	status = "okay";
};

&ssp1 {
	compatible = "fsl,imx28-mmc";
	pinctrl-names = "default";
	pinctrl-0 = <&ssp1_sdio_pins_a>;
	bus-width = <4>;
	no-1-8-v;       /* force 3.3V VIO */
	non-removable;
	vmmc-supply = <&reg_3v3>;
	mmc-pwrseq = <&wifi_pwrseq>;
	keep-power-in-suspend;
	status = "okay";

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

&ssp2 {
	compatible = "fsl,imx28-spi";
	pinctrl-names = "default";
	pinctrl-0 = <&spi2_pins_a>;
	status = "okay";
};