[RFC PATCH 6/6] arm64: dts: imx8mq-librem5-devkit: Enable MIPI DSI panel

[Guido Günther]

Enable MIPI LCD panel output by adding nodes for the NWL DSI host
controller, the mux-input-bridge, the Rocktech panel and the eLCDIF
display controller.

Signed-off-by: Guido Günther <a...@sigxcpu.org>
---
 .../dts/freescale/imx8mq-librem5-devkit.dts   | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts 
b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 7fc31c71a626..d98f9b8dede8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -841,6 +841,87 @@ MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9 0x19 /* WWAN_RESET */
        };
 };
 
+&lcdif {
+       status = "okay";
+
+       port@0 {
+               lcdif_dpi_out: endpoint {
+                       remote-endpoint = <&dpi_mux_from_lcdif>;
+               };
+       };
+};
+
+&iomuxc_gpr {
+       mipi_mux: mipi-mux {
+               compatible = "mux-input-bridge";
+               mux-controls = <&mux 0>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               status = "okay";
+               default-input = <0>;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               dpi_mux_from_lcdif: endpoint {
+                                       remote-endpoint = <&lcdif_dpi_out>;
+                               };
+                       };
+
+                       port@1 { /* dcss */
+                               reg = <1>;
+                       };
+
+                       port@2 {
+                               reg = <2>;
+                               dpi_mux_out: endpoint {
+                                       remote-endpoint = <&nwl_dpi_in>;
+                               };
+
+                       };
+               };
+       };
+};
+
+&mipi_dsi {
+       status = "okay";
+       panel@0 {
+               compatible = "rocktech,jh057n00900";
+               reg = <0>;
+               backlight = <&backlight_dsi>;
+               reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
+               vcc-supply = <&reg_2v8_p>;
+               iovcc-supply = <&reg_1v8_p>;
+               port@0 {
+                       panel_in: endpoint {
+                               remote-endpoint = <&nwl_dsi_out>;
+                       };
+               };
+       };
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       reg = <0>;
+                       nwl_dpi_in: endpoint {
+                               remote-endpoint = <&dpi_mux_out>;
+                       };
+               };
+               port@1 {
+                       reg = <1>;
+                       nwl_dsi_out: endpoint {
+                               remote-endpoint = <&panel_in>;
+                       };
+               };
+       };
+};
+
 &pgc_gpu {
        power-supply = <&buck3_reg>;
 };
-- 
2.26.1

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