From: Annette Kobou Date: Tue, 8 Jul 2025 12:24:41 +0000 (+0200) Subject: ARM: dts: imx6ul-kontron-bl-common: Fix RTS polarity for RS485 interface X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=47ef5256124fb939d8157b13ca048c902435cf23;p=users%2Fjedix%2Flinux-maple.git ARM: dts: imx6ul-kontron-bl-common: Fix RTS polarity for RS485 interface The polarity of the DE signal of the transceiver is active-high for sending. Therefore rs485-rts-active-low is wrong and needs to be removed to make RS485 transmissions work. Signed-off-by: Annette Kobou Signed-off-by: Frieder Schrempf Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards") Signed-off-by: Shawn Guo --- diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi index 29d2f86d5e34a..f4c45e964daf8 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi @@ -168,7 +168,6 @@ pinctrl-0 = <&pinctrl_uart2>; linux,rs485-enabled-at-boot-time; rs485-rx-during-tx; - rs485-rts-active-low; uart-has-rtscts; status = "okay"; };