Enable DSI display for J721S2 EVM.
Add the endpoint nodes to describe connection from:
DSS => DSI Bridge => DSI to eDP bridge => DisplayPort-1
Set status for all required nodes for DisplayPort-1 as 'okay'.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
.../dts/ti/k3-j721s2-common-proc-board.dts | 95 +++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index f691ae4c19e6..15a7d9b813d3 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -93,6 +93,29 @@ vdd_sd_dv: gpio-regulator-TLV71033 {
<3300000 0x1>;
};
+ dp1_pwr_3v3: regulator-dp1-prw {
+ compatible = "regulator-fixed";
+ regulator-name = "dp1-pwr";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&exp4 1 GPIO_ACTIVE_HIGH>; /* P1 - DP1_PWR_SW_EN */
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ dp1: connector-dp1 {
+ compatible = "dp-connector";
+ label = "DP1";
+ type = "full-size";
+ dp-pwr-supply = <&dp1_pwr_3v3>;
+
+ port {
+ dp1_connector_in: endpoint {
+ remote-endpoint = <&dp1_out>;
+ };
+ };
+ };
+
transceiver1: can-phy1 {
compatible = "ti,tcan1043";
#phy-cells = <0>;
@@ -560,3 +583,75 @@ &main_mcan5 {
pinctrl-0 = <&main_mcan5_pins_default>;
phys = <&transceiver4>;
};
+
+&dss {
+ /*
+ * These clock assignments are chosen to enable the following outputs:
+ *
+ * VP0 - DisplayPort SST
+ * VP1 - DPI0
+ * VP2 - DSI
+ * VP3 - DPI1
+ */
+ status = "okay";
+ assigned-clocks = <&k3_clks 158 2>,
+ <&k3_clks 158 5>,
+ <&k3_clks 158 14>,
+ <&k3_clks 158 18>;
+ assigned-clock-parents = <&k3_clks 158 3>,
+ <&k3_clks 158 7>,
+ <&k3_clks 158 16>,
+ <&k3_clks 158 22>;
+};
+
+&dss_ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@2 {
+ reg = <2>;
+ dpi2_out: endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+};
+
+&dsi0_ports {
+ port@0 {
+ reg = <0>;
+ dsi0_out: endpoint {
+ remote-endpoint = <&dp1_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dsi0_in: endpoint {
+ remote-endpoint = <&dpi2_out>;
+ };
+ };
+};
+
+&dsi_edp_bridge_ports {
+ port@0 {
+ reg = <0>;
+ dp1_in: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dp1_out: endpoint {
+ remote-endpoint = <&dp1_connector_in>;
+ };
+ };
+};
+
+&dphy_tx0 {
+ status = "okay";
+};
+
+&dsi0 {
+ status = "okay";
+};
--
2.34.1