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Subject[PATCH 2/2] arm64: dts: ti: k3-j721e-common-proc-board: add DP to j7 evm
Date
From: Tomi Valkeinen <tomi.valkeinen@ti.com>

Add the endpoint nodes to describe connection from
DSS => MHDP => DisplayPort connector.
Also add the required pinmux nodes for hotplug.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
---
.../dts/ti/k3-j721e-common-proc-board.dts | 66 +++++++++++++++++--
1 file changed, 62 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 2d7596911b27..fe20c193f299 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -148,6 +148,28 @@
pinctrl-0 = <&main_mcan2_gpio_pins_default>;
standby-gpios = <&main_gpio0 127 GPIO_ACTIVE_HIGH>;
};
+
+ dp_pwr_3v3: fixedregulator-dp-prw {
+ compatible = "regulator-fixed";
+ regulator-name = "dp-pwr";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&exp4 0 0>; /* P0 - DP0_PWR_SW_EN */
+ enable-active-high;
+ };
+
+ dp0: connector {
+ compatible = "dp-connector";
+ label = "DP0";
+ type = "full-size";
+ dp-pwr-supply = <&dp_pwr_3v3>;
+
+ port {
+ dp_connector_in: endpoint {
+ remote-endpoint = <&dp0_out>;
+ };
+ };
+ };
};

&main_pmx0 {
@@ -190,6 +212,12 @@
>;
};

+ dp0_pins_default: dp0-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x1c4, PIN_INPUT, 5) /* SPI0_CS1.DP0_HPD */
+ >;
+ };
+
main_i2c1_exp4_pins_default: main-i2c1-exp4-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0x230, PIN_INPUT, 7) /* (U2) ECAP0_IN_APWM_OUT.GPIO1_11 */
@@ -660,6 +688,40 @@
<&k3_clks 152 18>; /* PLL23_HSDIV0 */
};

+&dss_ports {
+ port@0 {
+ reg = <0>;
+
+ dpi0_out: endpoint {
+ remote-endpoint = <&dp0_in>;
+ };
+ };
+};
+
+&mhdp {
+ pinctrl-names = "default";
+ pinctrl-0 = <&dp0_pins_default>;
+};
+
+&dp0_ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dp0_in: endpoint {
+ remote-endpoint = <&dpi0_out>;
+ };
+ };
+
+ port@4 {
+ reg = <4>;
+ dp0_out: endpoint {
+ remote-endpoint = <&dp_connector_in>;
+ };
+ };
+};
+
&mcasp0 {
status = "disabled";
};
@@ -845,10 +907,6 @@
status = "disabled";
};

-&dss {
- status = "disabled";
-};
-
&icssg0_mdio {
status = "disabled";
};
--
2.17.1
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