WIP: device tree MVP

dts/bindings/modem/openisa,rv32m1-genfsk.yaml

@@ -0,0 +1,15 @@
+# Copyright 2019, NXP
+# SPDX-License-Identifier: Apache-2.0
+
+description: RV32M1 Generic FSK programmable modem node
+
+compatible: "openisa,rv32m1-genfsk"
+
+include: base.yaml
+
+properties:
+    reg:
+      required: true
+
+    interrupts:
+      required: true

dts/bindings/modem/quectel,bg9x.yaml

@@ -0,0 +1,28 @@
+# Copyright (c) 2020 Analog Life LLC
+# SPDX-License-Identifier: Apache-2.0
+
+description: quectel BG9x modem
+
+compatible: "quectel,bg9x"
+
+include: uart-device.yaml
+
+properties:
+    label:
+      required: true
+
+    mdm-power-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-reset-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-dtr-gpios:
+      type: phandle-array
+      required: false
+
+    mdm-wdisable-gpios:
+      type: phandle-array
+      required: false

dts/bindings/modem/simcom,sim7080.yaml

@@ -0,0 +1,16 @@
+# Copyright (C) 2021 metraTec GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+description: Simcom Sim7080 modem
+
+compatible: "simcom,sim7080"
+
+include: uart-device.yaml
+
+properties:
+  label:
+    required: true
+
+  mdm-power-gpios:
+    type: phandle-array
+    required: true

dts/bindings/modem/swir,hl7800.yaml

@@ -0,0 +1,51 @@
+#
+# Copyright (c) 2020, Laird Connectivity
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: Sierra Wireless HL7800 Modem
+
+compatible: "swir,hl7800"
+
+include: uart-device.yaml
+
+properties:
+    label:
+      required: true
+
+    mdm-wake-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-reset-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-pwr-on-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-fast-shutd-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-vgpio-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-uart-dsr-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-uart-cts-gpios:
+        type: phandle-array
+        required: true
+
+    mdm-gpio2-gpios:
+        type: phandle-array
+        required: false
+
+    mdm-gpio6-gpios:
+        type: phandle-array
+        required: true

dts/bindings/modem/u-blox,sara-r4.yaml

@@ -0,0 +1,24 @@
+# Copyright (c) 2019, Foundries.io
+# SPDX-License-Identifier: Apache-2.0
+
+description: u-blox SARA-R4 modem
+
+compatible: "u-blox,sara-r4"
+
+include: uart-device.yaml
+
+properties:
+    label:
+      required: true
+
+    mdm-power-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-reset-gpios:
+      type: phandle-array
+      required: false
+
+    mdm-vint-gpios:
+      type: phandle-array
+      required: false

dts/bindings/modem/wnc,m14a2a.yaml

@@ -0,0 +1,37 @@
+# Copyright (c) 2018, Foundries.io
+# SPDX-License-Identifier: Apache-2.0
+
+description: WNC-M14A2A LTE-M modem
+
+compatible: "wnc,m14a2a"
+
+include: uart-device.yaml
+
+properties:
+    label:
+      required: true
+
+    mdm-boot-mode-sel-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-power-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-keep-awake-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-reset-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-shld-trans-ena-gpios:
+      type: phandle-array
+      required: true
+
+    mdm-send-ok-gpios:
+      type: phandle-array
+      required: false
+      description: UART RTS pin if no HW flow control (set to always enabled)

dts/bindings/modem/zephyr,gsm-ppp.yaml

@@ -0,0 +1,8 @@
+# Copyright (c) 2021 G-Technologies Sdn. Bhd.
+# SPDX-License-Identifier: Apache-2.0
+
+description: GSM PPP modem
+
+compatible: "zephyr,gsm-ppp"
+
+include: uart-device.yaml