diff options
Diffstat (limited to 'arch/arm/boot/dts/stm32mp157a-iot-box.dts')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157a-iot-box.dts | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157a-iot-box.dts b/arch/arm/boot/dts/stm32mp157a-iot-box.dts new file mode 100644 index 000000000..6a5a4af25 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157a-iot-box.dts @@ -0,0 +1,70 @@ +// 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: bcrmf@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>; + }; +}; |