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authorAnnette Kobou <annette.kobou@kontron.de>2025-07-08 14:24:41 +0200
committerShawn Guo <shawnguo@kernel.org>2025-07-11 16:05:24 +0800
commit47ef5256124fb939d8157b13ca048c902435cf23 (patch)
tree32f6e0ea732acf73bdc65bfa948cdbde8e32762d
parentdb05490d417d75802955978f3b615e85e9293f5b (diff)
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 <annette.kobou@kontron.de> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards") Signed-off-by: Shawn Guo <shawnguo@kernel.org>
-rw-r--r--arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi1
1 files changed, 0 insertions, 1 deletions
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 29d2f86d5e34..f4c45e964daf 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";
};