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Message-ID: <1559638519-6128-2-git-send-email-erwan.leray@st.com>
Date: Tue, 4 Jun 2019 10:55:10 +0200
From: Erwan Le Ray <erwan.leray@...com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
"Alexandre Torgue" <alexandre.torgue@...com>,
Rob Herring <robh+dt@...nel.org>,
"Mark Rutland" <mark.rutland@....com>
CC: <linux-serial@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Erwan Le Ray <erwan.leray@...com>,
"Fabrice Gasnier" <fabrice.gasnier@...com>,
Bich Hemon <bich.hemon@...com>
Subject: [PATCH 01/10] dt-bindings: serial: stm32: add wakeup option
Add a note for enabling wakeup capabilities of usart
Signed-off-by: Bich Hemon <bich.hemon@...com>
Signed-off-by: Erwan Le Ray <erwan.leray@...com>
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 9d3efed..5ec80c1 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -19,6 +19,11 @@ Optional properties:
linux,rs485-enabled-at-boot-time: see rs485.txt.
- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
- dma-names: "rx" and/or "tx"
+- wakeup-source: bool flag to indicate this device has wakeup capabilities
+- interrupt-names, if optional wake-up interrupt is used, should be:
+ - "event": the name for the interrupt line of the USART instance
+ - "wakeup" the name for the optional wake-up interrupt
+
Examples:
usart4: serial@...04c00 {
--
1.9.1
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