[PATCH 2/3] arm64: dts: ti: k3-am625: Add OLDI support

From: Wadim Egorov
Date: Wed Sep 24 2025 - 10:39:52 EST


From: Aradhya Bhatia <a-bhatia1@xxxxxx>

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

Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
Signed-off-by: Swamil Jain <s-jain1@xxxxxx>
Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 32 ++++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index ffa485545a5f..fbb49d9c70af 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -793,6 +793,38 @@ dss: dss@30200000 {
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";

+ oldi-transmitters {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oldi0: oldi@0 {
+ reg = <0>;
+ clocks = <&k3_clks 186 0>;
+ clock-names = "serial";
+ ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
+ status = "disabled";
+
+ oldi0_ports: ports {
+ };
+ };
+
+ /*
+ * OLDI1 in AM625 SoC can only act as a secondary OLDI, if
+ * required, hence the clock and io-ctrl properties are not
+ * required at the moment.
+ */
+ oldi1: oldi@1 {
+ reg = <1>;
+ clocks = <&k3_clks 186 0>;
+ clock-names = "serial";
+ ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
+ status = "disabled";
+
+ oldi1_ports: ports {
+ };
+ };
+ };
+
dss_ports: ports {
#address-cells = <1>;
#size-cells = <0>;
--
2.48.1