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authorMatthias Schiffer <matthias.schiffer@ew.tq-group.com>2020-09-18 13:29:40 +0200
committerShawn Guo <shawnguo@kernel.org>2020-10-28 16:37:03 +0800
commit9af6702fa1e3ecdbed8c297e3c08103c2ceda112 (patch)
treea049134c2b540755f8864f17c0275ed78b243917
parent0d5e50cf30d7c6ec56013234595ddefdaba64593 (diff)
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>
-rw-r--r--arch/arm/boot/dts/imx7-mba7.dtsi3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi
index 9cfaf0a91100..ea9f0a4ac4b5 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";
};