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[7/9] ARM: dts/imx: ensure UARTs used for rs485 specify rs485-rts-delay

Message ID 20170621102130.21024-8-u.kleine-koenig@pengutronix.de
State New
Headers show

Commit Message

Uwe Kleine-König June 21, 2017, 10:21 a.m. UTC 
According to Documentation/devicetree/bindings/serial/rs485.txt the
rs485-rts-delay parameter is required. To prepare making use of
of_get_rs485_mode which is strict here, add this property to all imx
compatible devices that make use of one of the optional properties.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <fabio.estevam@nxp.com>

 arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 5d94b5ee6aa0..669bb8446574 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -288,6 +288,7 @@ 
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart3>;
 	uart-has-rtscts;
+	rs485-rts-delay = <0 0>;
 	linux,rs485-enabled-at-boot-time;
 	status = "okay";
 };