ath79: generalize ubnt_xm dtsi for ar7240 and ar7241

* Prepare to support the AR7240 variant of ubiquiti bullet m, by
  reorganizing the related dtsi files.

* Distribute SOC variable across ubnt-xm devices.

Signed-off-by: Russell Senior <russell@personaltelco.net>

1 files changed, 94 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi b/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi
new file mode 100644
index 0000000000..b36b0d4fe2
--- /dev/null
+++ b/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+};
+
+&uart {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+
+	num-cs = <1>;
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x000000 0x040000>;
+				read-only;
+			};
+
+			partition@40000 {
+				label = "u-boot-env";
+				reg = <0x040000 0x010000>;
+			};
+
+			partition@50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x050000 0x750000>;
+			};
+
+			partition@7a0000 {
+				label = "board_config";
+				reg = <0x7a0000 0x010000>;
+				read-only;
+			};
+
+			partition@7b0000 {
+				label = "cfg";
+				reg = <0x7b0000 0x040000>;
+				read-only;
+			};
+
+			art: partition@7f0000 {
+				label = "art";
+				reg = <0x7f0000 0x010000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+
+	wifi: wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		qca,no-eeprom;
+	};
+};
+
+&eth0 {
+	status = "okay";
+
+	mtd-mac-address = <&art 0x0>;
+};
+
+&eth1 {
+	status = "okay";
+
+	mtd-mac-address = <&art 0x6>;
+};