1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (C) 2020 Manivannan Sadhasivam 4 */ 5 6/dts-v1/; 7#include "stm32mp157a-stinger96.dtsi" 8 9/ { 10 model = "Shiratech STM32MP157A IoT Box"; 11 compatible = "shiratech,stm32mp157a-iot-box", "st,stm32mp157"; 12 13 wlan_pwr: regulator-wlan { 14 compatible = "regulator-fixed"; 15 16 regulator-name = "wl-reg"; 17 regulator-min-microvolt = <3300000>; 18 regulator-max-microvolt = <3300000>; 19 20 gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>; 21 enable-active-high; 22 }; 23}; 24 25&i2c2 { 26 ccs811@5b { 27 compatible = "ams,ccs811"; 28 reg = <0x5b>; 29 wakeup-gpios = <&gpioa 12 GPIO_ACTIVE_LOW>; 30 reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>; 31 }; 32}; 33 34/* WiFi */ 35&sdmmc2 { 36 pinctrl-names = "default", "opendrain", "sleep"; 37 pinctrl-0 = <&sdmmc2_b4_pins_a>; 38 pinctrl-1 = <&sdmmc2_b4_od_pins_b>; 39 pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>; 40 broken-cd; 41 non-removable; 42 st,neg-edge; 43 bus-width = <1>; 44 vmmc-supply = <&wlan_pwr>; 45 status = "okay"; 46 47 #address-cells = <1>; 48 #size-cells = <0>; 49 brcmf: bcrmf@1 { 50 reg = <1>; 51 compatible = "brcm,bcm4329-fmac"; 52 }; 53}; 54 55/* Bluetooth */ 56&uart4 { 57 /* Note: HW flow control is broken, hence using custom CTS/RTS gpios */ 58 /delete-property/st,hw-flow-ctrl; 59 cts-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>; 60 rts-gpios = <&gpiob 0 GPIO_ACTIVE_LOW>; 61 /delete-property/dmas; 62 /delete-property/dma-names; 63 status = "okay"; 64 65 bluetooth { 66 shutdown-gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>; 67 compatible = "brcm,bcm43438-bt"; 68 max-speed = <115200>; 69 }; 70}; 71