From 9af6702fa1e3ecdbed8c297e3c08103c2ceda112 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Fri, 18 Sep 2020 13:29:40 +0200 Subject: [PATCH] ARM: dts: imx7-mba7: enable RS485 on UART7 The UART7 interface is connected to a full-duplex RS485 transceiver. Signed-off-by: Matthias Schiffer Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7-mba7.dtsi | 3 +++ 1 file changed, 3 insertions(+) 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"; }; -- 2.30.2