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diff --git a/dts/Bindings/rtc/brcm,brcmstb-waketimer.yaml b/dts/Bindings/rtc/brcm,brcmstb-waketimer.yaml
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+++ b/dts/Bindings/rtc/brcm,brcmstb-waketimer.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom STB wake-up Timer
+
+maintainers:
+  - Florian Fainelli <f.fainelli@gmail.com>
+
+description:
+  The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
+  ability to wake up the system from low-power suspend/standby modes and
+  optionally generate RTC alarm interrupts.
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    const: brcm,brcmstb-waketimer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: the TIMER interrupt
+      - description: the ALARM interrupt
+    description:
+      The TIMER interrupt wakes the system from low-power suspend/standby modes.
+      An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
+      is enabled.
+
+  clocks:
+    description: clock reference in the 27MHz domain
+    maxItems: 1
+
+additionalProperties: false
+
+examples:
+  - |
+    rtc@f041a080 {
+        compatible = "brcm,brcmstb-waketimer";
+        reg = <0xf041a080 0x14>;
+        interrupts-extended = <&aon_pm_l2_intc 0x04>,
+                              <&upg_aux_aon_intr2_intc 0x08>;
+        clocks = <&upg_fixed>;
+    };