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arm64: dts: imx8mq-nitrogen: add lt8912 MIPI-DSI to HDMI 

Add support of the lt8912b in the DTB.
This adds the support of the DB_DSIHD daugther board from
Boundary Devices.

Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Adrien Grassein 2021-05-11 21:36:00 +02:00 committed by Shawn Guo
parent 4a085de205
commit 4b82e1f839
1 changed files with 121 additions and 0 deletions
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121
arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
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@ -34,6 +34,19 @@
};
};
hdmi-connector {
compatible = "hdmi-connector";
ddc-i2c-bus = <&ddc_i2c_bus>;
label = "hdmi";
type = "a";
port {
hdmi_connector_in: endpoint {
remote-endpoint = <&lt8912_out>;
};
};
};
reg_usb_otg_vbus: regulator-usb-otg-vbus {
compatible = "regulator-fixed";
pinctrl-names = "default";
@ -81,6 +94,9 @@
};
};
&dphy {
status = "okay";
};
&fec1 {
pinctrl-names = "default";
@ -194,6 +210,98 @@
};
};
&i2c4 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c4>;
status = "okay";
pca9546: i2cmux@70 {
compatible = "nxp,pca9546";
reg = <0x70>;
#address-cells = <1>;
#size-cells = <0>;
i2c4@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <100000>;
hdmi-bridge@48 {
compatible = "lontium,lt8912b";
reg = <0x48> ;
reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
hdmi_out_in: endpoint {
data-lanes = <1 2 3 4>;
remote-endpoint = <&mipi_dsi_out>;
};
};
port@1 {
reg = <1>;
lt8912_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
};
};
};
ddc_i2c_bus: i2c4@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <100000>;
};
i2c4@3 {
reg = <3>;
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <100000>;
max7323: gpio-expander@68 {
compatible = "maxim,max7323";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_max7323>;
gpio-controller;
reg = <0x68>;
#gpio-cells = <2>;
};
};
};
};
&lcdif {
status = "okay";
};
&mipi_dsi {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
ports {
port@1 {
reg = <1>;
mipi_dsi_out: endpoint {
remote-endpoint = <&hdmi_out_in>;
};
};
};
};
&uart1 { /* console */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
@ -364,6 +472,19 @@
>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL 0x4000007f
MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA 0x4000007f
>;
};
pinctrl_max7323: max7323grp {
fsl,pins = <
MX8MQ_IOMUXC_NAND_RE_B_GPIO3_IO15 0x19
>;
};
pinctrl_reg_arm_dram: reg-arm-dramgrp {
fsl,pins = <
MX8MQ_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x16