refactor: Move drivers into properly module.

* Align our driver module layout to properly match Zephyr conventions,
  allowing proper CMake setup to amend the library for each type of driver.

app/module/dts/bindings/display/gooddisplay,il0323.yaml

@@ -0,0 +1,61 @@
+# Copyright (c) 2020, Phytec Messtechnik GmbH, Peter Johanson
+# SPDX-License-Identifier: Apache-2.0
+
+description: IL0323 EPD display controller
+
+compatible: "gooddisplay,il0323"
+
+include: spi-device.yaml
+
+properties:
+  height:
+    type: int
+    required: true
+    description: Height in pixel of the panel driven by the controller
+
+  width:
+    type: int
+    required: true
+    description: Width in pixel of the panel driven by the controller
+
+  reset-gpios:
+    type: phandle-array
+    required: true
+    description: RESET pin.
+
+      The RESET pin of GD7965 is active low.
+      If connected directly the MCU pin should be configured
+      as active low.
+
+  dc-gpios:
+    type: phandle-array
+    required: true
+    description: DC pin.
+
+      The DC pin of GD7965 is active low (transmission command byte).
+      If connected directly the MCU pin should be configured
+      as active low.
+
+  busy-gpios:
+    type: phandle-array
+    required: true
+    description: BUSY pin.
+
+      The BUSY pin of GD7965 is active low.
+      If connected directly the MCU pin should be configured
+      as active low.
+
+  pwr:
+    type: uint8-array
+    required: true
+    description: Power Setting (PWR) values
+
+  cdi:
+    type: int
+    required: true
+    description: VCOM and data interval value
+
+  tcon:
+    type: int
+    required: true
+    description: TCON setting value

app/module/dts/bindings/gpio/maxim,max7318.yaml

@@ -0,0 +1,29 @@
+#
+# Copyright (c) 2022 The ZMK Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+description: >
+  This is a representation of the Maxim MAX7318 I2C Gpio Expander.
+
+compatible: "maxim,max7318"
+
+include: [gpio-controller.yaml, i2c-device.yaml]
+
+properties:
+  label:
+    required: true
+
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    type: int
+    required: true
+    const: 16
+    description: Number of gpios supported
+
+gpio-cells:
+  - pin
+  - flags

app/module/dts/bindings/gpio/zmk,gpio-595.yaml

@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2022 The ZMK Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+description: >
+  This is a representation of the 595 Shift Register.
+
+compatible: "zmk,gpio-595"
+
+include: [gpio-controller.yaml, spi-device.yaml]
+
+properties:
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    type: int
+    required: true
+    enum:
+      - 8
+      - 16
+      - 24
+      - 32
+    description: Number of gpios supported
+
+gpio-cells:
+  - pin
+  - flags

app/module/dts/bindings/kscan/zmk,kscan-gpio-demux.yaml

@@ -0,0 +1,22 @@
+# Copyright (c) 2020, The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+description: GPIO keyboard demux controller
+
+compatible: "zmk,kscan-gpio-demux"
+
+include: kscan.yaml
+
+properties:
+  input-gpios:
+    type: phandle-array
+    required: true
+  output-gpios:
+    type: phandle-array
+    required: true
+  debounce-period:
+    type: int
+    default: 5
+  polling-interval-msec:
+    type: int
+    default: 25

app/module/dts/bindings/kscan/zmk,kscan-gpio-direct.yaml

@@ -0,0 +1,37 @@
+# Copyright (c) 2020, Pete Johanson
+# SPDX-License-Identifier: MIT
+
+description: Direct GPIO keyboard KSCAN controller
+
+compatible: "zmk,kscan-gpio-direct"
+
+include: kscan.yaml
+
+properties:
+  input-gpios:
+    type: phandle-array
+    required: true
+  debounce-period:
+    type: int
+    required: false
+    deprecated: true
+    description: Deprecated. Use debounce-press-ms and debounce-release-ms instead.
+  debounce-press-ms:
+    type: int
+    default: 5
+    description: Debounce time for key press in milliseconds. Use 0 for eager debouncing.
+  debounce-release-ms:
+    type: int
+    default: 5
+    description: Debounce time for key release in milliseconds.
+  debounce-scan-period-ms:
+    type: int
+    default: 1
+    description: Time between reads in milliseconds when any key is pressed.
+  poll-period-ms:
+    type: int
+    default: 10
+    description: Time between reads in milliseconds when no key is pressed and ZMK_KSCAN_DIRECT_POLLING is enabled.
+  toggle-mode:
+    type: boolean
+    description: Enable toggle-switch mode.

app/module/dts/bindings/kscan/zmk,kscan-gpio-matrix.yaml

@@ -0,0 +1,43 @@
+# Copyright (c) 2020, Pete Johanson
+# SPDX-License-Identifier: MIT
+
+description: GPIO keyboard matrix controller
+
+compatible: "zmk,kscan-gpio-matrix"
+
+include: kscan.yaml
+
+properties:
+  row-gpios:
+    type: phandle-array
+    required: true
+  col-gpios:
+    type: phandle-array
+    required: true
+  debounce-period:
+    type: int
+    required: false
+    deprecated: true
+    description: Deprecated. Use debounce-press-ms and debounce-release-ms instead.
+  debounce-press-ms:
+    type: int
+    default: 5
+    description: Debounce time for key press in milliseconds. Use 0 for eager debouncing.
+  debounce-release-ms:
+    type: int
+    default: 5
+    description: Debounce time for key release in milliseconds.
+  debounce-scan-period-ms:
+    type: int
+    default: 1
+    description: Time between reads in milliseconds when any key is pressed.
+  poll-period-ms:
+    type: int
+    default: 10
+    description: Time between reads in milliseconds when no key is pressed and ZMK_KSCAN_MATRIX_POLLING is enabled.
+  diode-direction:
+    type: string
+    default: row2col
+    enum:
+      - row2col
+      - col2row

app/module/dts/bindings/sensor/alps,ec11.yaml

@@ -0,0 +1,26 @@
+description: |
+  Sensor driver for the Alps EC11 rotary encoder
+
+compatible: "alps,ec11"
+
+properties:
+  label:
+    type: string
+    required: true
+  a-gpios:
+    type: phandle-array
+    required: true
+    description: A pin for the encoder
+  b-gpios:
+    type: phandle-array
+    required: true
+    description: A pin for the encoder
+  resolution:
+    type: int
+    description: Number of pulses per tick
+    deprecated: true
+    required: false
+  steps:
+    type: int
+    description: Number of pulses in one full rotation
+    required: false

app/module/dts/bindings/sensor/zmk,battery-nrf-vddh.yaml

@@ -0,0 +1,6 @@
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+description: Battery SoC monitoring using nRF VDDH
+
+compatible: "zmk,battery-nrf-vddh"

app/module/dts/bindings/sensor/zmk,battery-voltage-divider.yaml

@@ -0,0 +1,8 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+description: Battery SoC monitoring using voltage divider
+
+compatible: "zmk,battery-voltage-divider"
+
+include: voltage-divider.yaml