ARM: dts: add support for Gatwick board based on WB50N

Add support for the LoRa gateway from Laird, the RG1xx.
This board houses the WB50NBT CPU module along with a Semtech SX1301 based
concentrator card.
https://www.lairdtech.com/products/rg1xx-lora-gateway

Signed-off-by: Ben Whitten <ben.whitten@lairdtech.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f39aa108e1021bb30296872f88b86e158d1d0c33..adb48a10ae0898a2187958a402e1468477fa3115 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -51,6 +51,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
        at91-sama5d2_ptc_ek.dtb \
        at91-sama5d2_xplained.dtb \
        at91-sama5d3_xplained.dtb \
+       at91-gatwick.dtb \
        at91-tse850-3.dtb \
        at91-wb50n.dtb \
        sama5d31ek.dtb \

diff --git a/arch/arm/boot/dts/at91-gatwick.dts b/arch/arm/boot/dts/at91-gatwick.dts
new file mode 100644 (file)
index 0000000..5a81cab
--- /dev/null
+++ b/arch/arm/boot/dts/at91-gatwick.dts
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-gatwick.dts - Device Tree file for the Gatwick board
+ *
+ *  Copyright (C) 2018 Laird
+ *
+ */
+/dts-v1/;
+#include "at91-wb50n.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Laird Workgroup Bridge 50N - Project Gatwick";
+       compatible = "laird,gatwick", "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
+
+       gpio_keys {
+               compatible = "gpio-keys";
+               autorepeat;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_key_gpio>;
+
+               reset-button {
+                       label = "Reset Button";
+                       linux,code = <KEY_SETUP>;
+                       gpios = <&pioE 31 GPIO_ACTIVE_LOW>;
+                       wakeup-source;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               ethernet {
+                       label = "gatwick:yellow:ethernet";
+                       gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+
+               wifi {
+                       label = "gatwick:green:wifi";
+                       gpios = <&pioA 28 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+
+               ble {
+                       label = "gatwick:blue:ble";
+                       gpios = <&pioA 22 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+
+               lora {
+                       label = "gatwick:orange:lora";
+                       gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+
+               blank {
+                       label = "gatwick:green:blank";
+                       gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+
+               user {
+                       label = "gatwick:yellow:user";
+                       gpios = <&pioA 12 GPIO_ACTIVE_LOW>;
+                       default-state = "off";
+               };
+       };
+};
+
+&pinctrl {
+       board {
+               pinctrl_key_gpio: key_gpio_0 {
+                 atmel,pins =
+                         <AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PE31 GPIO with pullup deglitch */
+         };
+       };
+};
+
+&mmc0 {
+       status = "okay";
+};
+
+&macb1 {
+       status = "okay";
+};
+
+&dbgu {
+       status = "okay";
+};
+
+/* FTDI USART */
+&usart0 {
+       status = "okay";
+};
+
+/* GPS USART */
+&usart1 {
+       pinctrl-0 = <&pinctrl_usart1>;
+       status = "okay";
+};
+
+&spi1 {
+       status = "okay";
+
+       spidev@0 {
+               compatible = "semtech,sx1301";
+               reg = <0>;
+               spi-max-frequency = <8000000>;
+       };
+};
+
+&usb1 {
+       status = "okay";
+       /delete-property/atmel,oc-gpio;
+};
+
+&usb2 {
+       status = "okay";
+};