[PATCH 2/2] arm64: dts: ti: k3-am625: Add OLDI support

Swamil Jain s-jain1 at ti.com
Fri Sep 12 23:42:05 PDT 2025


From: Aradhya Bhatia <a-bhatia1 at ti.com>

The AM625 SoC has 2 OLDI TXes under the DSS. Add their support.

Signed-off-by: Aradhya Bhatia <a-bhatia1 at ti.com>
Signed-off-by: Swamil Jain <s-jain1 at ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 47 ++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index dcc71db8afd4..d240c157d819 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -793,6 +793,53 @@ dss: dss at 30200000 {
 		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 
+		oldi-transmitters {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			oldi0: oldi at 0 {
+				reg = <0>;
+				clocks = <&k3_clks 186 0>;
+				clock-names = "serial";
+				ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					oldi0_port0: port at 0 {
+						reg = <0>;
+					};
+
+					oldi0_port1: port at 1 {
+						reg = <1>;
+					};
+				};
+			};
+
+			oldi1: oldi at 1 {
+				reg = <1>;
+				clocks = <&k3_clks 186 0>;
+				clock-names = "serial";
+				ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					oldi1_port0: port at 0 {
+						reg = <0>;
+					};
+
+					oldi1_port1: port at 1 {
+						reg = <1>;
+					};
+				};
+			};
+		};
+
 		dss_ports: ports {
 			#address-cells = <1>;
 			#size-cells = <0>;



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