[PATCH 5/7] arm64: dts: ti: k3-j721s2-som-p0: add DSI to eDP
Jayesh Choudhary
j-choudhary at ti.com
Fri Apr 11 03:51:53 PDT 2025
From: Rahul T R <r-ravikumar at ti.com>
Add DT nodes for DSI to eDP bridge. The DSI to eDP
bridge is SN65DSI86 on SOM.
Signed-off-by: Rahul T R <r-ravikumar at ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
---
arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 52 ++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
index 6adb2bbe4066..421c1468ba90 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
@@ -160,6 +160,30 @@ transceiver0: can-phy0 {
#phy-cells = <0>;
max-bitrate = <5000000>;
};
+
+ vsys_io_1v8: regulator-vsys-io-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_io_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vsys_io_1v2: regulator-vsys-io-1v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_io_1v2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ edp1_refclk: clock-edp1-refclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <19200000>;
+ };
};
&wkup_pmx0 {
@@ -638,3 +662,31 @@ &c71_1 {
memory-region = <&c71_1_dma_memory_region>,
<&c71_1_memory_region>;
};
+
+&main_i2c4 {
+ dsi_edp_bridge: dsi-edp-bridge at 2c {
+ compatible = "ti,sn65dsi86";
+ reg = <0x2c>;
+
+ clock-names = "refclk";
+ clocks = <&edp1_refclk>;
+
+ enable-gpios = <&exp_som 5 0>;
+
+ vpll-supply = <&vsys_io_1v8>;
+ vccio-supply = <&vsys_io_1v8>;
+ vcca-supply = <&vsys_io_1v2>;
+ vcc-supply = <&vsys_io_1v2>;
+
+ dsi_edp_bridge_ports: ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port at 0 {
+ reg = <0>;
+ };
+ port at 1 {
+ reg = <1>;
+ };
+ };
+ };
+};
--
2.34.1
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