[PATCH 3/3] arm64: dts: imx91-9x9-qsb: Add tianma,tm050rdh03 panel

Support tianma,tm050rdh03 DPI panel on i.MX91 9x9 QSB.

Signed-off-by: Liu Ying <[email protected]>
---
 arch/arm64/boot/dts/freescale/Makefile             |   4 +
 .../freescale/imx91-9x9-qsb-tianma-tm050rdh03.dtso | 104 +++++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts    |  51 ++++++++++
 3 files changed, 159 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 95ae85ab4adf..ff8cbe1c20a6 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -610,6 +610,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-9x9-qsb.dtb
+
+imx91-9x9-qsb-tianma-tm050rdh03-dtbs += imx91-9x9-qsb.dtb imx91-9x9-qsb-tianma-tm050rdh03.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx91-9x9-qsb-tianma-tm050rdh03.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm-s.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb-tianma-tm050rdh03.dtso b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb-tianma-tm050rdh03.dtso
new file mode 100644
index 000000000000..01c22f92e0d8
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb-tianma-tm050rdh03.dtso
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 NXP
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
+#include "imx91-pinfunc.h"
+
+&{/} {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&tpm1 3 40000 PWM_POLARITY_INVERTED>;	/* 25KHz PWM */
+		brightness-levels = <0 100>;
+		num-interpolated-steps = <100>;
+		default-brightness-level = <80>;
+		power-supply = <&reg_exp_5v>;
+	};
+
+	panel {
+		compatible = "tianma,tm050rdh03";
+		backlight = <&backlight>;
+		enable-gpios = <&pcal6524 8 GPIO_ACTIVE_HIGH>;
+		power-supply = <&reg_exp_3v3>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&dpi_to_panel>;
+			};
+		};
+	};
+};
+
+&dpi_bridge {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif>, <&gpio_fun>, <&sai3_tx_fun>, <&sai3_enable>;
+	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 = <
+			MX91_PAD_GPIO_IO00__MEDIAMIX_DISP_CLK		0x31e
+			MX91_PAD_GPIO_IO01__MEDIAMIX_DISP_DE		0x31e
+			MX91_PAD_GPIO_IO02__MEDIAMIX_DISP_VSYNC		0x31e
+			MX91_PAD_GPIO_IO03__MEDIAMIX_DISP_HSYNC		0x31e
+			MX91_PAD_GPIO_IO04__MEDIAMIX_DISP_DATA0		0x31e
+			MX91_PAD_GPIO_IO05__MEDIAMIX_DISP_DATA1		0x31e
+			MX91_PAD_GPIO_IO06__MEDIAMIX_DISP_DATA2		0x31e
+			MX91_PAD_GPIO_IO07__MEDIAMIX_DISP_DATA3		0x31e
+			MX91_PAD_GPIO_IO08__MEDIAMIX_DISP_DATA4		0x31e
+			MX91_PAD_GPIO_IO09__MEDIAMIX_DISP_DATA5		0x31e
+			MX91_PAD_GPIO_IO10__MEDIAMIX_DISP_DATA6		0x31e
+			MX91_PAD_GPIO_IO11__MEDIAMIX_DISP_DATA7		0x31e
+			MX91_PAD_GPIO_IO12__MEDIAMIX_DISP_DATA8		0x31e
+			MX91_PAD_GPIO_IO13__MEDIAMIX_DISP_DATA9		0x31e
+			MX91_PAD_GPIO_IO14__MEDIAMIX_DISP_DATA10	0x31e
+			MX91_PAD_GPIO_IO15__MEDIAMIX_DISP_DATA11	0x31e
+			MX91_PAD_GPIO_IO16__MEDIAMIX_DISP_DATA12	0x31e
+			MX91_PAD_GPIO_IO17__MEDIAMIX_DISP_DATA13	0x31e
+			MX91_PAD_GPIO_IO18__MEDIAMIX_DISP_DATA14	0x31e
+			MX91_PAD_GPIO_IO19__MEDIAMIX_DISP_DATA15	0x31e
+			MX91_PAD_GPIO_IO20__MEDIAMIX_DISP_DATA16	0x31e
+			MX91_PAD_GPIO_IO21__MEDIAMIX_DISP_DATA17	0x31e
+		>;
+	};
+
+	pinctrl_tpm1_ch3: tpm1ch3grp {
+		fsl,pins = <
+			MX91_PAD_UART2_TXD__TPM1_CH3			0x31e
+		>;
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&media_blk_ctrl {
+	status = "okay";
+};
+
+&tpm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_tpm1_ch3>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
index 044b37fcc0ba..f1ed7983226b 100644
--- a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
@@ -75,6 +75,27 @@ sai1_en_mux: mux-controller-2 {
 		mux-gpios = <&pcal6524 9 GPIO_ACTIVE_HIGH>;
 	};
 
+	exp_mux: mux-controller-3 {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+		#mux-state-cells = <1>;
+		mux-gpios = <&pcal6524 22 GPIO_ACTIVE_HIGH>;
+	};
+
+	sai3_tx_rx_mux: mux-controller-4 {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+		#mux-state-cells = <1>;
+		mux-gpios = <&pcal6524 14 GPIO_ACTIVE_HIGH>;
+	};
+
+	sai3_en_mux: mux-controller-5 {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+		#mux-state-cells = <1>;
+		mux-gpios = <&pcal6524 23 GPIO_ACTIVE_HIGH>;
+	};
+
 	pinctrl-gpiomux {
 		compatible = "pinctrl-multiplexer";
 
@@ -82,6 +103,10 @@ can_fun: can-grp {
 			mux-states = <&can_mux 1>;
 		};
 
+		gpio_fun: exp-grp {
+			mux-states = <&exp_mux 0>;
+		};
+
 		m2_fun: m2-grp {
 			mux-states = <&sai1_mux 1>;
 		};
@@ -101,6 +126,32 @@ sai1_enable: sai1-enable-grp {
 		sai1_fun: sai1-grp {
 			mux-states = <&sai1_mux 0>;
 		};
+
+		sai3_enable: sai3-enable-grp {
+			mux-states = <&sai3_en_mux 0>;
+		};
+
+		sai3_tx_fun: sai3-tx-grp {
+			mux-states = <&sai3_tx_rx_mux 0>;
+		};
+	};
+
+	reg_exp_3v3: regulator-exp-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "EXP_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pcal6524 21 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_exp_5v: regulator-exp-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "EXP_5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pcal6524 4 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
 	};
 
 	reg_vref_1v8: regulator-adc-vref {

-- 
2.43.0