From: "Hui.Liu" <redacted>

Add the pinctrl header file on MediaTek mt8188.
Add the new binding document for pinctrl on MediaTek mt8188.

Signed-off-by: Hui.Liu <redacted>
---
  .../pinctrl/mediatek,mt8188-pinctrl.yaml      |  224 +++
  .../pinctrl/mediatek,mt8188-pinfunc.h         | 1280 +++++++++++++++++
  2 files changed, 1504 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt8188-pinctrl.yaml
  create mode 100644 include/dt-bindings/pinctrl/mediatek,mt8188-pinfunc.h

diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8188-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8188-pinctrl.yaml
new file mode 100644
index 000000000000..87c72b621188
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8188-pinctrl.yaml

@@ -0,0 +1,224 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/mediatek,mt8188-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT8188 Pin Controller
+
+maintainers:
+  - Hui Liu <hui.liu@mediatek.com>
+
+description: |
+  The MediaTek's MT8188 Pin controller is used to control SoC pins.
+
+properties:
+  compatible:
+    const: mediatek,mt8188-pinctrl
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    description: |
+      Number of cells in GPIO specifier, should be two. The first cell
+      is the pin number, the second cell is used to specify optional
+      parameters which are defined in <dt-bindings/gpio/gpio.h>.
+    const: 2
+
+  gpio-ranges:
+    maxItems: 1
+