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Diffstat (limited to 'arch/arm/boot/dts/stm32mp157a-iot-box.dts')
-rw-r--r--arch/arm/boot/dts/stm32mp157a-iot-box.dts70
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>;
+ };
+};