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arm64: dts: ti: k3-j721e-sk: Enable HDMI 

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@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220505090709.9252-3-r-ravikumar@ti.com
This commit is contained in:
Rahul T R 2022-05-05 14:37:09 +05:30 committed by Vignesh Raghavendra
parent d4f3c8a169
commit 7d4686fc3c
1 changed files with 79 additions and 1 deletions
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80
arch/arm64/boot/dts/ti/k3-j721e-sk.dts
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@ -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 = <&dpi1_out>;
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>;
dpi1_out: endpoint {
remote-endpoint = <&tfp410_in>;
};
};
};
&dp0_ports {