diff mbox series

[SRU,jammy:linux-xilinx-zynqmp,11/14] arm64: zynqmp: dts: Add required properties for rs485 support for KD240

Message ID 20240822091117.1760423-12-portia.stephens@canonical.com
State New
Headers show
Series Backport ps uart RS485 driver | expand

Commit Message

Portia Stephens Aug. 22, 2024, 9:11 a.m. UTC 
From: Manikanta Guntupalli <manikanta.guntupalli@amd.com>

BugLink: https://bugs.launchpad.net/bugs/2055237

Add "rts-gpios" and "linux,rs485-enabled-at-boot-time" properties
to uartps node to support RS485 on KD240.

Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
State: pending
(cherry picked from git@github.com:Xilinx/linux-xlnx.git xlnx_rebase_v6.6)
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
---
 arch/arm64/boot/dts/xilinx/zynqmp-sck-kd-g-revA.dts | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kd-g-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kd-g-revA.dts
index 6bfb2594bda8c..5cd7ed12dd079 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kd-g-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kd-g-revA.dts
@@ -347,6 +347,8 @@  mux {
 
 &uart0 {
 	status = "okay";
+	rts-gpios = <&gpio 72 GPIO_ACTIVE_HIGH>;
+	linux,rs485-enabled-at-boot-time;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart0_default>;
 	assigned-clock-rates = <100000000>;