Quelle  stm32mp157a-iot-box.dts   Sprache: unbekannt

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2020 Manivannan Sadhasivam
 */

/dts-v1/;
#include "stm32mp157a-stinger96.dtsi"

/ {
 model = "Shiratech STM32MP157A IoT Box";
 compatible = "shiratech,stm32mp157a-iot-box", "st,stm32mp157";

 wlan_pwr: regulator-wlan {
  compatible = "regulator-fixed";

  regulator-name = "wl-reg";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;

  gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>;
  enable-active-high;
 };
};

&i2c2 {
 ccs811@5b {
  compatible = "ams,ccs811";
  reg = <0x5b>;
  wakeup-gpios = <&gpioa 12 GPIO_ACTIVE_LOW>;
  reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>;
 };
};

/* WiFi */
&sdmmc2 {
 pinctrl-names = "default", "opendrain", "sleep";
 pinctrl-0 = <&sdmmc2_b4_pins_a>;
 pinctrl-1 = <&sdmmc2_b4_od_pins_b>;
 pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
 broken-cd;
 non-removable;
 st,neg-edge;
 bus-width = <1>;
 vmmc-supply = <&wlan_pwr>;
 status = "okay";

 #address-cells = <1>;
 #size-cells = <0>;
 brcmf: wifi@1 {
  reg = <1>;
  compatible = "brcm,bcm4329-fmac";
 };
};

/* Bluetooth */
&uart4 {
 /* Note: HW flow control is broken, hence using custom CTS/RTS gpios */
 /delete-property/st,hw-flow-ctrl;
 cts-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>;
 rts-gpios = <&gpiob 0 GPIO_ACTIVE_LOW>;
 /delete-property/dmas;
 /delete-property/dma-names;
 status = "okay";

 bluetooth {
  shutdown-gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>;
  compatible = "brcm,bcm43438-bt";
  max-speed = <115200>;
 };
};