arm64: dts: imx93-9x9-qsb: Add ontat,kd50g21-40nt-a1 panel

Support ontat,kd50g21-40nt-a1 DPI panel on i.MX93 9x9 QSB.

The panel connects with the QSB board through Adafruit DPI Display
Kippah adapter board[1].

Link: https://learn.adafruit.com/adafruit-dpi-display-kippah-ttl-tft/downloads
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index c74e5b9269171aae3e83f48ab0892b37c7150724..a6fe56bb93aa12040d184aa576623951515a8469 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -421,8 +421,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
 
 imx93-9x9-qsb-can1-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-can1.dtbo
 imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
+imx93-9x9-qsb-ontat-kd50g21-40nt-a1-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-can1.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-i3c.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm.dtb

diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtso b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtso
new file mode 100644 (file)
index 0000000..d167c9f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtso
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 NXP
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "imx93-pinfunc.h"
+
+&{/} {
+       backlight: backlight {
+               compatible = "gpio-backlight";
+               gpios = <&pcal6524 2 GPIO_ACTIVE_HIGH>;
+       };
+
+       panel {
+               compatible = "ontat,kd50g21-40nt-a1";
+               backlight = <&backlight>;
+               power-supply = <&reg_rpi_3v3>;
+
+               port {
+                       panel_in: endpoint {
+                               remote-endpoint = <&dpi_to_panel>;
+                       };
+               };
+       };
+};
+
+&dpi_bridge {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_lcdif>;
+       status = "okay";
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@1 {
+                       reg = <1>;
+
+                       dpi_to_panel: endpoint {
+                               remote-endpoint = <&panel_in>;
+                               bus-width = <18>;
+                       };
+               };
+       };
+};
+
+&iomuxc {
+       pinctrl_lcdif: lcdifgrp {
+               fsl,pins = <
+                       MX93_PAD_GPIO_IO00__MEDIAMIX_DISP_CLK           0x31e
+                       MX93_PAD_GPIO_IO01__MEDIAMIX_DISP_DE            0x31e
+                       MX93_PAD_GPIO_IO02__MEDIAMIX_DISP_VSYNC         0x31e
+                       MX93_PAD_GPIO_IO03__MEDIAMIX_DISP_HSYNC         0x31e
+                       MX93_PAD_GPIO_IO04__MEDIAMIX_DISP_DATA00        0x31e
+                       MX93_PAD_GPIO_IO05__MEDIAMIX_DISP_DATA01        0x31e
+                       MX93_PAD_GPIO_IO06__MEDIAMIX_DISP_DATA02        0x31e
+                       MX93_PAD_GPIO_IO07__MEDIAMIX_DISP_DATA03        0x31e
+                       MX93_PAD_GPIO_IO08__MEDIAMIX_DISP_DATA04        0x31e
+                       MX93_PAD_GPIO_IO09__MEDIAMIX_DISP_DATA05        0x31e
+                       MX93_PAD_GPIO_IO10__MEDIAMIX_DISP_DATA06        0x31e
+                       MX93_PAD_GPIO_IO11__MEDIAMIX_DISP_DATA07        0x31e
+                       MX93_PAD_GPIO_IO12__MEDIAMIX_DISP_DATA08        0x31e
+                       MX93_PAD_GPIO_IO13__MEDIAMIX_DISP_DATA09        0x31e
+                       MX93_PAD_GPIO_IO14__MEDIAMIX_DISP_DATA10        0x31e
+                       MX93_PAD_GPIO_IO15__MEDIAMIX_DISP_DATA11        0x31e
+                       MX93_PAD_GPIO_IO16__MEDIAMIX_DISP_DATA12        0x31e
+                       MX93_PAD_GPIO_IO17__MEDIAMIX_DISP_DATA13        0x31e
+                       MX93_PAD_GPIO_IO18__MEDIAMIX_DISP_DATA14        0x31e
+                       MX93_PAD_GPIO_IO19__MEDIAMIX_DISP_DATA15        0x31e
+                       MX93_PAD_GPIO_IO20__MEDIAMIX_DISP_DATA16        0x31e
+                       MX93_PAD_GPIO_IO21__MEDIAMIX_DISP_DATA17        0x31e
+               >;
+       };
+};
+
+&lcdif {
+       status = "okay";
+};
+
+&media_blk_ctrl {
+       status = "okay";
+};
+
+&pcal6524 {
+       /*
+        * exp-sel-hog has property 'output-low' while DT overlay doesn't
+        * support /delete-property/. Both 'output-low' and 'output-high'
+        * will exist under hog nodes if DT overlay file sets 'output-high'.
+        * Workaround is to disable this hog and create new hog with
+        * 'output-high'.
+        */
+       exp-sel-hog {
+               status = "disabled";
+       };
+
+       exp-high-sel-hog {
+               gpio-hog;
+               gpios = <22 GPIO_ACTIVE_HIGH>;
+               output-high;
+       };
+};
+
+&sai3 {
+       /* disable due to GPIO12 and GPIO17~20 pin conflicts with LCDIF */
+       status = "disabled";
+};