linux-zen-server/arch/arm/boot/dts/imx6dl-b1x5pv2.dtsi

// SPDX-License-Identifier: GPL-2.0 or MIT
//
// Device Tree Source for General Electric B1x5Pv2
// patient monitor series
//
// Copyright 2018-2021 General Electric Company
// Copyright 2018-2021 Collabora

#include <dt-bindings/input/input.h>
#include "imx6dl-qmx6.dtsi"

/ {
	chosen {
		stdout-path = &uart3;
	};

	/* Do not allow frequencies above 800MHz */
	cpus {
		cpu@0 {
			operating-points = <
				/* kHz    uV */
				792000  1175000
				396000  1150000
			>;
			fsl,soc-operating-points = <
				/* ARM kHz	SOC-PU uV */
				792000	1175000
				396000	1175000
			>;
		};

		cpu@1 {
			operating-points = <
				/* kHz    uV */
				792000  1175000
				396000  1150000
			>;
			fsl,soc-operating-points = <
				/* ARM kHz	SOC-PU uV */
				792000	1175000
				396000	1175000
			>;
		};
	};

	reg_syspwr: regulator-12v {
		compatible = "regulator-fixed";
		regulator-name = "SYS_PWR";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
	};

	reg_5v_pmc: regulator-5v-pmc {
		compatible = "regulator-fixed";
		regulator-name = "5V PMC";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_syspwr>;
	};

	reg_5v: regulator-5v {
		compatible = "regulator-fixed";
		regulator-name = "5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_syspwr>;
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&reg_syspwr>;
	};

	reg_5v0_audio: regulator-5v0-audio {
		compatible = "regulator-fixed";
		regulator-name = "5V0_AUDIO";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_5v>;
		gpio = <&tca6424a 16 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		/*
		 * This must be always-on for da7212, which has some not
		 * properly documented dependencies for it's speaker supply
		 * pin. The issue manifests as speaker volume being very low.
		 */
		regulator-always-on;
	};


	reg_3v3_audio: regulator-3v3-audio {
		compatible = "regulator-fixed";
		regulator-name = "3V3_AUDIO";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&reg_3v3>;
		pinctrl-0 = <&pinctrl_q7_hda_reset>;
		pinctrl-names = "default";
		gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_2v5_audio: regulator-2v5-audio {
		compatible = "regulator-fixed";
		regulator-name = "2V5_AUDIO";
		regulator-min-microvolt = <2500000>;
		regulator-max-microvolt = <2500000>;
		regulator-always-on;
		vin-supply = <&reg_3v3_audio>;

	};

	reg_wlan: regulator-wlan {
		compatible = "regulator-fixed";
		regulator-name = "WLAN";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&reg_3v3>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_sdio_power>;
		gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <70000>;
	};

	reg_bl: regulator-backlight {
		compatible = "regulator-fixed";
		regulator-name = "LED_VCC";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		vin-supply = <&reg_syspwr>;
		pinctrl-0 = <&pinctrl_q7_lcd_power>;
		pinctrl-names = "default";
		gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_lcd: regulator-lcd {
		compatible = "regulator-fixed";
		regulator-name = "LCD_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_5v>;
	};

	usb_power: regulator-usb-power {
		compatible = "regulator-fixed";
		regulator-name = "USB POWER";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_5v>;
	};

	charger: battery-charger {
		compatible = "gpio-charger"; /* ti,bq24172 */
		charger-type = "mains";
		gpios = <&tca6424a 3 GPIO_ACTIVE_LOW>;
		charge-current-limit-gpios = <&tca6424a 11 GPIO_ACTIVE_HIGH>,
					     <&tca6424a 12 GPIO_ACTIVE_HIGH>;
		charge-current-limit-mapping = <1300000 0x0>,
					       <700000 0x1>,
					       <0 0x2>;
		charge-status-gpios = <&tca6424a 6 GPIO_ACTIVE_HIGH>;
	};

	poweroff {
		compatible = "gpio-poweroff";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_spi_cs1>;
		gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
	};

	power-button-key {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_sleep_button>;

		power-button {
			label = "power button";
			gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
		};
	};

	rotary-encoder-key {
		compatible = "gpio-keys";

		rotary-encoder-event {
			label = "rotary-encoder press";
			gpios = <&tca6424a 0 GPIO_ACTIVE_HIGH>;
			linux,code = <KEY_ENTER>;
			linux,can-disable;
		};
	};

	rotary-encoder {
		compatible = "rotary-encoder";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_gpio2 &pinctrl_q7_gpio4>;
		gpios = <&gpio4 26 GPIO_ACTIVE_LOW>, <&gpio1 0 GPIO_ACTIVE_LOW>;
		rotary-encoder,relative-axis;
		rotary-encoder,steps-per-period = <2>;
		wakeup-source;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_gpio1 &pinctrl_q7_gpio3 &pinctrl_q7_gpio5>;

		led-alarm1 {
			label = "alarm:red";
			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
		};

		led-alarm2 {
			label = "alarm:yellow";
			gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
		};

		led-alarm3 {
			label = "alarm:blue";
			gpios = <&gpio4 15 GPIO_ACTIVE_HIGH>;
		};
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_backlight_enable>;
		power-supply = <&reg_bl>;
		pwms = <&pwm4 0 5000000 0>;
		brightness-levels = <0 255>;
		num-interpolated-steps = <255>;
		default-brightness-level = <179>;
		enable-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
	};

	panel {
		backlight = <&backlight>;
		power-supply = <&reg_lcd>;

		port {
			panel_in: endpoint {
				remote-endpoint = <&lvds0_out>;
			};
		};
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "audio-card";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&dailink_master>;
		simple-audio-card,frame-master = <&dailink_master>;
		simple-audio-card,widgets = "Speaker", "Ext Spk";
		simple-audio-card,audio-routing = "Ext Spk", "LINE";

		simple-audio-card,cpu {
			sound-dai = <&ssi1>;
		};

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

	clk_ext_audio_codec: clock-codec {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12288000>;
	};
};

&audmux {
	status = "okay";
};

&fec {
	status = "okay";
};

&hdmi {
	status = "okay";
};

&i2c1 {
	battery: battery@b {
		compatible = "ti,bq20z65", "sbs,sbs-battery";
		reg = <0x0b>;
		sbs,battery-detect-gpios = <&tca6424a 5 GPIO_ACTIVE_LOW>;
		sbs,i2c-retry-count = <5>;
		power-supplies = <&charger>;
	};

	codec: audio-codec@1a {
		compatible = "dlg,da7212";
		reg = <0x1a>;
		#sound-dai-cells = <0>;
		VDDA-supply = <&reg_2v5_audio>;
		VDDSP-supply = <&reg_5v0_audio>;
		VDDMIC-supply = <&reg_3v3_audio>;
		VDDIO-supply = <&reg_3v3_audio>;
		clocks = <&clk_ext_audio_codec>;
		clock-names = "mclk";
	};
};

&i2c5 {
	tca6424a: gpio-controller@22 {
		compatible = "ti,tca6424";
		reg = <0x22>;
		gpio-controller;
		#gpio-cells = <2>;
		vcc-supply = <&reg_3v3>;
		interrupt-parent = <&gpio7>;
		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_gpio6>;
		interrupt-controller;
		#interrupt-cells = <2>;
		gpio-line-names = "GPIO_ROTOR#", "ACM_IO_INT", "TMP_SENSOR_IRQ", "AC_IN",
				  "TF_S", "BATT_T", "LED_INC_CHAR", "ACM1_OCF",
				  "ACM2_OCF", "ACM_IO_RST", "USB1_POWER_EN", "EGPIO_CC_CTL0",
				  "EGPIO_CC_CTL1", "12V_OEMNBP_EN", "CP2105_RST", "",
				  "SPEAKER_PA_EN", "ARM7_UPI_RESET", "ARM7_PWR_RST", "NURSE_CALL",
				  "MARKER_EN", "EGPIO_TOUCH_RST", "PRESSURE_INT1", "PRESSURE_INT2";

	};

	tmp75: temperature-sensor@48 {
		compatible = "ti,tmp75";
		reg = <0x48>;
		vs-supply = <&reg_3v3>;
		interrupt-parent = <&tca6424a>;
		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
	};
};

&ldb {
	status = "okay";

	lvds0: lvds-channel@0 {
		status = "okay";
		fsl,data-mapping = "spwg";
		fsl,data-width = <24>;

		port@4 {
			reg = <4>;

			lvds0_out: endpoint {
				remote-endpoint = <&panel_in>;
			};
		};
	};
};

&pwm4 {
	status = "okay";
};

&ssi1 {
	fsl,mode = "i2s-slave";
	status = "okay";
};

&usbotg {
	vbus-supply = <&usb_power>;
	disable-over-current;
	dr_mode = "host";
	status = "okay";

	/*
	 * TPS2051BDGN fault-gpio is connected to Q7[86] USB_0_1_OC_N.
	 * On QMX6 this is not connceted to the i.MX6, but to the USB Hub
	 * from &usbh1. This means, that we cannot easily detect and handle
	 * over-current events. Fortunately the regulator limits the current
	 * automatically, so the hardware is still protected.
	 */
};

&usdhc4 {
	/* WiFi module */
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc4>;
	bus-width = <4>;
	no-1-8-v;
	non-removable;
	wakeup-source;
	keep-power-in-suspend;
	cap-power-off-card;
	max-frequency = <25000000>;
	vmmc-supply = <&reg_wlan>;
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	wlcore: wlcore@2 {
		compatible = "ti,wl1837";
		reg = <2>;

		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_q7_gpio7>;

		interrupt-parent = <&gpio4>;
		interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;

		tcxo-clock-frequency = <26000000>;
	};
};