From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Date: Fri, 18 Sep 2020 11:29:40 +0000 (+0200)
Subject: ARM: dts: imx7-mba7: enable RS485 on UART7
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9af6702fa1e3ecdbed8c297e3c08103c2ceda112;p=linux.git

ARM: dts: imx7-mba7: enable RS485 on UART7

The UART7 interface is connected to a full-duplex RS485 transceiver.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi
index 9cfaf0a911002..ea9f0a4ac4b51 100644
--- a/arch/arm/boot/dts/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/imx7-mba7.dtsi
@@ -561,6 +561,9 @@
 	assigned-clocks = <&clks IMX7D_UART7_ROOT_SRC>;
 	assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
 	uart-has-rtscts;
+	linux,rs485-enabled-at-boot-time;
+	rs485-rts-active-low;
+	rs485-rx-during-tx;
 	status = "okay";
 };