0001 // SPDX-License-Identifier: GPL-2.0 or MIT
0002 //
0003 // Device Tree Source for General Electric B1x5Pv2
0004 // patient monitor series
0005 //
0006 // Copyright 2018-2021 General Electric Company
0007 // Copyright 2018-2021 Collabora
0008
0009 #include <dt-bindings/input/input.h>
0010 #include "imx6dl-qmx6.dtsi"
0011
0012 / {
0013 chosen {
0014 stdout-path = &uart3;
0015 };
0016
0017 /* Do not allow frequencies above 800MHz */
0018 cpus {
0019 cpu@0 {
0020 operating-points = <
0021 /* kHz uV */
0022 792000 1175000
0023 396000 1150000
0024 >;
0025 fsl,soc-operating-points = <
0026 /* ARM kHz SOC-PU uV */
0027 792000 1175000
0028 396000 1175000
0029 >;
0030 };
0031
0032 cpu@1 {
0033 operating-points = <
0034 /* kHz uV */
0035 792000 1175000
0036 396000 1150000
0037 >;
0038 fsl,soc-operating-points = <
0039 /* ARM kHz SOC-PU uV */
0040 792000 1175000
0041 396000 1175000
0042 >;
0043 };
0044 };
0045
0046 reg_syspwr: regulator-12v {
0047 compatible = "regulator-fixed";
0048 regulator-name = "SYS_PWR";
0049 regulator-min-microvolt = <12000000>;
0050 regulator-max-microvolt = <12000000>;
0051 };
0052
0053 reg_5v_pmc: regulator-5v-pmc {
0054 compatible = "regulator-fixed";
0055 regulator-name = "5V PMC";
0056 regulator-min-microvolt = <5000000>;
0057 regulator-max-microvolt = <5000000>;
0058 vin-supply = <®_syspwr>;
0059 };
0060
0061 reg_5v: regulator-5v {
0062 compatible = "regulator-fixed";
0063 regulator-name = "5V";
0064 regulator-min-microvolt = <5000000>;
0065 regulator-max-microvolt = <5000000>;
0066 vin-supply = <®_syspwr>;
0067 };
0068
0069 reg_3v3: regulator-3v3 {
0070 compatible = "regulator-fixed";
0071 regulator-name = "3V3";
0072 regulator-min-microvolt = <3300000>;
0073 regulator-max-microvolt = <3300000>;
0074 vin-supply = <®_syspwr>;
0075 };
0076
0077 reg_5v0_audio: regulator-5v0-audio {
0078 compatible = "regulator-fixed";
0079 regulator-name = "5V0_AUDIO";
0080 regulator-min-microvolt = <5000000>;
0081 regulator-max-microvolt = <5000000>;
0082 vin-supply = <®_5v>;
0083 gpio = <&tca6424a 16 GPIO_ACTIVE_HIGH>;
0084 enable-active-high;
0085 /*
0086 * This must be always-on for da7212, which has some not
0087 * properly documented dependencies for it's speaker supply
0088 * pin. The issue manifests as speaker volume being very low.
0089 */
0090 regulator-always-on;
0091 };
0092
0093
0094 reg_3v3_audio: regulator-3v3-audio {
0095 compatible = "regulator-fixed";
0096 regulator-name = "3V3_AUDIO";
0097 regulator-min-microvolt = <3300000>;
0098 regulator-max-microvolt = <3300000>;
0099 vin-supply = <®_3v3>;
0100 pinctrl-0 = <&pinctrl_q7_hda_reset>;
0101 pinctrl-names = "default";
0102 gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>;
0103 enable-active-high;
0104 };
0105
0106 reg_2v5_audio: regulator-2v5-audio {
0107 compatible = "regulator-fixed";
0108 regulator-name = "2V5_AUDIO";
0109 regulator-min-microvolt = <2500000>;
0110 regulator-max-microvolt = <2500000>;
0111 regulator-always-on;
0112 vin-supply = <®_3v3_audio>;
0113
0114 };
0115
0116 reg_wlan: regulator-wlan {
0117 compatible = "regulator-fixed";
0118 regulator-name = "WLAN";
0119 regulator-min-microvolt = <3300000>;
0120 regulator-max-microvolt = <3300000>;
0121 vin-supply = <®_3v3>;
0122 pinctrl-names = "default";
0123 pinctrl-0 = <&pinctrl_q7_sdio_power>;
0124 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
0125 enable-active-high;
0126 startup-delay-us = <70000>;
0127 };
0128
0129 reg_bl: regulator-backlight {
0130 compatible = "regulator-fixed";
0131 regulator-name = "LED_VCC";
0132 regulator-min-microvolt = <12000000>;
0133 regulator-max-microvolt = <12000000>;
0134 vin-supply = <®_syspwr>;
0135 pinctrl-0 = <&pinctrl_q7_lcd_power>;
0136 pinctrl-names = "default";
0137 gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
0138 enable-active-high;
0139 };
0140
0141 reg_lcd: regulator-lcd {
0142 compatible = "regulator-fixed";
0143 regulator-name = "LCD_5V";
0144 regulator-min-microvolt = <5000000>;
0145 regulator-max-microvolt = <5000000>;
0146 vin-supply = <®_5v>;
0147 };
0148
0149 usb_power: regulator-usb-power {
0150 compatible = "regulator-fixed";
0151 regulator-name = "USB POWER";
0152 regulator-min-microvolt = <5000000>;
0153 regulator-max-microvolt = <5000000>;
0154 vin-supply = <®_5v>;
0155 };
0156
0157 charger: battery-charger {
0158 compatible = "gpio-charger"; /* ti,bq24172 */
0159 charger-type = "mains";
0160 gpios = <&tca6424a 3 GPIO_ACTIVE_LOW>;
0161 charge-current-limit-gpios = <&tca6424a 11 GPIO_ACTIVE_HIGH>,
0162 <&tca6424a 12 GPIO_ACTIVE_HIGH>;
0163 charge-current-limit-mapping = <1300000 0x0>,
0164 <700000 0x1>,
0165 <0 0x2>;
0166 charge-status-gpios = <&tca6424a 6 GPIO_ACTIVE_HIGH>;
0167 };
0168
0169 poweroff {
0170 compatible = "gpio-poweroff";
0171 pinctrl-names = "default";
0172 pinctrl-0 = <&pinctrl_q7_spi_cs1>;
0173 gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
0174 };
0175
0176 power-button-key {
0177 compatible = "gpio-keys";
0178 pinctrl-names = "default";
0179 pinctrl-0 = <&pinctrl_q7_sleep_button>;
0180
0181 power-button {
0182 label = "power button";
0183 gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
0184 linux,code = <KEY_POWER>;
0185 };
0186 };
0187
0188 rotary-encoder-key {
0189 compatible = "gpio-keys";
0190
0191 rotary-encoder-press {
0192 label = "rotary-encoder press";
0193 gpios = <&tca6424a 0 GPIO_ACTIVE_HIGH>;
0194 linux,code = <KEY_ENTER>;
0195 linux,can-disable;
0196 };
0197 };
0198
0199 rotary-encoder {
0200 compatible = "rotary-encoder";
0201 pinctrl-names = "default";
0202 pinctrl-0 = <&pinctrl_q7_gpio2 &pinctrl_q7_gpio4>;
0203 gpios = <&gpio4 26 GPIO_ACTIVE_LOW>, <&gpio1 0 GPIO_ACTIVE_LOW>;
0204 rotary-encoder,relative-axis;
0205 rotary-encoder,steps-per-period = <2>;
0206 wakeup-source;
0207 };
0208
0209 leds {
0210 compatible = "gpio-leds";
0211 pinctrl-names = "default";
0212 pinctrl-0 = <&pinctrl_q7_gpio1 &pinctrl_q7_gpio3 &pinctrl_q7_gpio5>;
0213
0214 alarm1 {
0215 label = "alarm:red";
0216 gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
0217 };
0218
0219 alarm2 {
0220 label = "alarm:yellow";
0221 gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
0222 };
0223
0224 alarm3 {
0225 label = "alarm:blue";
0226 gpios = <&gpio4 15 GPIO_ACTIVE_HIGH>;
0227 };
0228 };
0229
0230 backlight: backlight {
0231 compatible = "pwm-backlight";
0232 pinctrl-names = "default";
0233 pinctrl-0 = <&pinctrl_q7_backlight_enable>;
0234 power-supply = <®_bl>;
0235 pwms = <&pwm4 0 5000000 0>;
0236 brightness-levels = <0 255>;
0237 num-interpolated-steps = <255>;
0238 default-brightness-level = <179>;
0239 enable-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
0240 };
0241
0242 panel {
0243 backlight = <&backlight>;
0244 power-supply = <®_lcd>;
0245
0246 port {
0247 panel_in: endpoint {
0248 remote-endpoint = <&lvds0_out>;
0249 };
0250 };
0251 };
0252
0253 sound {
0254 compatible = "simple-audio-card";
0255 simple-audio-card,name = "audio-card";
0256 simple-audio-card,format = "i2s";
0257 simple-audio-card,bitclock-master = <&dailink_master>;
0258 simple-audio-card,frame-master = <&dailink_master>;
0259 simple-audio-card,widgets = "Speaker", "Ext Spk";
0260 simple-audio-card,audio-routing = "Ext Spk", "LINE";
0261
0262 simple-audio-card,cpu {
0263 sound-dai = <&ssi1>;
0264 };
0265
0266 dailink_master: simple-audio-card,codec {
0267 sound-dai = <&codec>;
0268 };
0269 };
0270
0271 clk_ext_audio_codec: clock-codec {
0272 compatible = "fixed-clock";
0273 #clock-cells = <0>;
0274 clock-frequency = <12288000>;
0275 };
0276 };
0277
0278 &audmux {
0279 status = "okay";
0280 };
0281
0282 &fec {
0283 status = "okay";
0284 };
0285
0286 &hdmi {
0287 status = "okay";
0288 };
0289
0290 &i2c1 {
0291 battery: battery@b {
0292 compatible = "ti,bq20z65", "sbs,sbs-battery";
0293 reg = <0x0b>;
0294 sbs,battery-detect-gpios = <&tca6424a 5 GPIO_ACTIVE_LOW>;
0295 sbs,i2c-retry-count = <5>;
0296 power-supplies = <&charger>;
0297 };
0298
0299 codec: audio-codec@1a {
0300 compatible = "dlg,da7212";
0301 reg = <0x1a>;
0302 #sound-dai-cells = <0>;
0303 VDDA-supply = <®_2v5_audio>;
0304 VDDSP-supply = <®_5v0_audio>;
0305 VDDMIC-supply = <®_3v3_audio>;
0306 VDDIO-supply = <®_3v3_audio>;
0307 clocks = <&clk_ext_audio_codec>;
0308 clock-names = "mclk";
0309 };
0310 };
0311
0312 &i2c5 {
0313 tca6424a: gpio-controller@22 {
0314 compatible = "ti,tca6424";
0315 reg = <0x22>;
0316 gpio-controller;
0317 #gpio-cells = <2>;
0318 vcc-supply = <®_3v3>;
0319 interrupt-parent = <&gpio7>;
0320 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
0321 pinctrl-names = "default";
0322 pinctrl-0 = <&pinctrl_q7_gpio6>;
0323 interrupt-controller;
0324 #interrupt-cells = <2>;
0325 gpio-line-names = "GPIO_ROTOR#", "ACM_IO_INT", "TMP_SENSOR_IRQ", "AC_IN",
0326 "TF_S", "BATT_T", "LED_INC_CHAR", "ACM1_OCF",
0327 "ACM2_OCF", "ACM_IO_RST", "USB1_POWER_EN", "EGPIO_CC_CTL0",
0328 "EGPIO_CC_CTL1", "12V_OEMNBP_EN", "CP2105_RST", "",
0329 "SPEAKER_PA_EN", "ARM7_UPI_RESET", "ARM7_PWR_RST", "NURSE_CALL",
0330 "MARKER_EN", "EGPIO_TOUCH_RST", "PRESSURE_INT1", "PRESSURE_INT2";
0331
0332 };
0333
0334 tmp75: temperature-sensor@48 {
0335 compatible = "ti,tmp75";
0336 reg = <0x48>;
0337 vs-supply = <®_3v3>;
0338 interrupt-parent = <&tca6424a>;
0339 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
0340 };
0341 };
0342
0343 &ldb {
0344 status = "okay";
0345
0346 lvds0: lvds-channel@0 {
0347 status = "okay";
0348 fsl,data-mapping = "spwg";
0349 fsl,data-width = <24>;
0350
0351 port@4 {
0352 reg = <4>;
0353
0354 lvds0_out: endpoint {
0355 remote-endpoint = <&panel_in>;
0356 };
0357 };
0358 };
0359 };
0360
0361 &pwm4 {
0362 status = "okay";
0363 };
0364
0365 &ssi1 {
0366 fsl,mode = "i2s-slave";
0367 status = "okay";
0368 };
0369
0370 &usbotg {
0371 vbus-supply = <&usb_power>;
0372 disable-over-current;
0373 dr_mode = "host";
0374 status = "okay";
0375
0376 /*
0377 * TPS2051BDGN fault-gpio is connected to Q7[86] USB_0_1_OC_N.
0378 * On QMX6 this is not connceted to the i.MX6, but to the USB Hub
0379 * from &usbh1. This means, that we cannot easily detect and handle
0380 * over-current events. Fortunately the regulator limits the current
0381 * automatically, so the hardware is still protected.
0382 */
0383 };
0384
0385 &usdhc4 {
0386 /* WiFi module */
0387 pinctrl-names = "default";
0388 pinctrl-0 = <&pinctrl_usdhc4>;
0389 bus-width = <4>;
0390 no-1-8-v;
0391 non-removable;
0392 wakeup-source;
0393 keep-power-in-suspend;
0394 cap-power-off-card;
0395 max-frequency = <25000000>;
0396 vmmc-supply = <®_wlan>;
0397 #address-cells = <1>;
0398 #size-cells = <0>;
0399 status = "okay";
0400
0401 wlcore: wlcore@2 {
0402 compatible = "ti,wl1837";
0403 reg = <2>;
0404
0405 pinctrl-names = "default";
0406 pinctrl-0 = <&pinctrl_q7_gpio7>;
0407
0408 interrupt-parent = <&gpio4>;
0409 interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
0410
0411 tcxo-clock-frequency = <26000000>;
0412 };
0413 };