From f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 04 Dec 2023 07:10:27 +0000
Subject: [PATCH] add gpio

---
 kernel/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kernel/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt b/kernel/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
index b6bb84a..b57d9cc 100644
--- a/kernel/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
+++ b/kernel/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
@@ -17,6 +17,10 @@
  - #mbox-cells: Common mailbox binding property to identify the number
 	of cells required for the mailbox specifier. Should be 1
 
+Optional properties :
+
+ - rockchip,txpoll-period-ms: TX Done polling interval in milliseconds.
+
 Example:
 --------
 

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