[PATCH net-next v4 1/2] dt-bindings: arm: mediatek: add mediatek,boottrap binding

[Daniel Golle]

The boottrap is used to read implementation details from the SoC, such
as the polarity of LED pins. Add bindings for it as we are going to use
it for the LEDs connected to MediaTek built-in 1GE PHYs.

Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
 .../arm/mediatek/mediatek,boottrap.yaml       | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml
new file mode 100644
index 000000000000..460e375320a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/mediatek/mediatek,boottrap.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek boottrap
+
+maintainers:
+  - Daniel Golle <daniel at makrotopia.org>
+
+description:
+  The boottrap found in some MediaTek SoCs is used to read SoC implementation
+  details such as LED polarities.
+
+properties:
+  $nodename:
+    const: boottrap
+
+  compatible:
+    const: mediatek,boottrap
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    boottrap: boottrap at 1001f6f0 {
+      compatible = "mediatek,boottrap";
+      reg = <0 0x1001f6f0 0 0x20>;
+    };
-- 
2.40.0