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Message-ID: <20250106085051.50861-1-andre.werner@systec-electronic.com>
Date: Mon, 6 Jan 2025 09:50:50 +0100
From: Andre Werner <andre.werner@...tec-electronic.com>
To: gregkh@...uxfoundation.org,
jirislaby@...nel.org,
hvilleneuve@...onoff.com,
andy@...nel.org,
devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org,
lech.perczak@...lingroup.com,
krzk+dt@...nel.org,
conor+dt@...nel.org,
robh@...nel.org,
Andre Werner <andre.werner@...tec-electronic.com>
Subject: [PATCH v2 1/2] dt-bindings: serial: sc16is7xx: Add description for polling mode
Polling mode is enabled if the "interrupts" property is missing.
Thus, this commit deletes "interrupts" entry from "required" section
and adds a description for the fallback to polling mode at the
"interrupts" entry.
Signed-off-by: Andre Werner <andre.werner@...tec-electronic.com>
---
Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
index 88871480018e..ab39b95dae40 100644
--- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
+++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
@@ -23,6 +23,8 @@ properties:
maxItems: 1
interrupts:
+ description:
+ When missing, device driver uses polling instead.
maxItems: 1
clocks:
@@ -76,7 +78,6 @@ properties:
required:
- compatible
- reg
- - interrupts
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
--
2.47.1
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