Add node for dvi bridge and the endpoint nodes to
describe connection from
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector.
Also add the required pinmux for HDMI hotplug and
powerdown
Signed-off-by: Rahul T R <r-ravikumar@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 80 +++++++++++++++++++++++++-
1 file changed, 79 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index 07b1e40fbc47..27a5911dfa8f 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -225,6 +225,59 @@
};
};
};
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ label = "hdmi";
+ type = "a";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_hpd_pins_default>;
+
+ ddc-i2c-bus = <&main_i2c1>;
+
+ /* HDMI_HPD */
+ hpd-gpios = <&main_gpio1 0 GPIO_ACTIVE_HIGH>;
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&tfp410_out>;
+ };
+ };
+ };
+
+ dvi-bridge {
+ compatible = "ti,tfp410";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_pdn_pins_default>;
+
+ powerdown-gpios = <&main_gpio0 127 GPIO_ACTIVE_LOW>;
+ ti,deskew = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ tfp410_in: endpoint {
+ remote-endpoint = <&dpi_out0>;
+ pclk-sample = <1>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ tfp410_out: endpoint {
+ remote-endpoint =
+ <&hdmi_connector_in>;
+ };
+ };
+ };
+ };
};
&main_pmx0 {
@@ -329,6 +382,18 @@
>;
};
+ hdmi_hpd_pins_default: hdmi-hpd-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x204, PIN_INPUT, 7) /* (AD5) UART1_RTSn.GPIO1_0 */
+ >;
+ };
+
+ hdmi_pdn_pins_default: hdmi-pdn-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x200, PIN_INPUT, 7) /* (AC4) UART1_CTSn.GPIO0_127 */
+ >;
+ };
+
/* Reset for M.2 E Key slot on PCIe0 */
ekey_reset_pins_default: ekey-reset-pns-pins-default {
pinctrl-single,pins = <
@@ -733,11 +798,24 @@
};
&dss_ports {
- port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
dpi0_out: endpoint {
remote-endpoint = <&dp0_in>;
};
};
+
+ port@1 {
+ reg = <1>;
+
+ dpi_out0: endpoint {
+ remote-endpoint = <&tfp410_in>;
+ };
+ };
};
&dp0_ports {
--
2.17.1
