ARM: dts: imx6: Add GE B1x5v2

This adds device tree files for the General Electric Healthcare
(GEHC) B1x5v2 series. All models make use of Congatec's QMX6
system on module, which is described in its own device tree include,
so that it can also be used by other boards.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 413 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6dl-b1x5pv2.dtsi b/arch/arm/boot/dts/imx6dl-b1x5pv2.dtsi
new file mode 100644
index 000000000000..ec5b66453156
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-b1x5pv2.dtsi
@@ -0,0 +1,413 @@
+// 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-press {
+			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>;
+
+		alarm1 {
+			label = "alarm:red";
+			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
+		};
+
+		alarm2 {
+			label = "alarm:yellow";
+			gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
+		};
+
+		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>;
+	};
+};