From 51ded7cdf26deea7dd875047c2f005b81e80bdf4 Mon Sep 17 00:00:00 2001
From: Minghao Xue <quic_mingxue@quicinc.com>
Date: Fri, 10 Jun 2022 16:58:26 +0800
Subject: dt-bindings: virtio: mmio: add optional wakeup-source property

Some systems want to set the interrupt of virtio_mmio device
as a wakeup source. On such systems, we'll use the existence
of the "wakeup-source" property as a signal of requirement.

Signed-off-by: Minghao Xue <quic_mingxue@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <1654851507-13891-2-git-send-email-quic_mingxue@quicinc.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 Documentation/devicetree/bindings/virtio/mmio.yaml | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Documentation')

diff --git a/Documentation/devicetree/bindings/virtio/mmio.yaml b/Documentation/devicetree/bindings/virtio/mmio.yaml
index 10c22b5bd16a..0aa8433f0a5e 100644
--- a/Documentation/devicetree/bindings/virtio/mmio.yaml
+++ b/Documentation/devicetree/bindings/virtio/mmio.yaml
@@ -33,6 +33,10 @@ properties:
     description: Required for devices making accesses thru an IOMMU.
     maxItems: 1
 
+  wakeup-source:
+    type: boolean
+    description: Required for setting irq of a virtio_mmio device as wakeup source.
+
 required:
   - compatible
   - reg
-- 
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