[PATCH 1/2] dt-bindings: serial: add Broadcom's BCM63138 High Speed UART

["Rafał Miłecki" <zajec5@gmail.com>]

From: Rafał Miłecki <rafal@milecki.pl>

It's an UART controller that first appeared on BCM63138 SoC and then was
reused on other bcmbca familiy chipsets.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 .../serial/brcm,bcm63138-hs-uart.yaml         | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm63138-hs-uart.yaml

diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm63138-hs-uart.yaml b/Documentation/devicetree/bindings/serial/brcm,bcm63138-hs-uart.yaml
new file mode 100644
index 000000000000..91a7e945be39
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/brcm,bcm63138-hs-uart.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/brcm,bcm63138-hs-uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom's BCM63138 High Speed UART
+
+description:
+  High speed serial port controller that was designed to handle Bluetooth
+  devices communication. It supports sending custom frames that need to be
+  processed by a host system.
+
+maintainers:
+  - Rafał Miłecki <rafal@milecki.pl>
+
+allOf:
+  - $ref: serial.yaml#
+
+properties:
+  compatible:
+    const: brcm,bcm63138-hs-uart
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    serial@fffec400 {
+        compatible = "brcm,bcm63138-hs-uart";
+        reg = <0xfffec400 0x1e0>;
+        interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+    };
-- 
2.35.3