added custom device tree for mikroPhoneHEADmaster

1 files changed, 110 insertions, 0 deletions

diff --git a/yocto/meta-mikrophone/recipes-kernel/linux/device-tree-overlays/mikroPhone-panel_overlay.dts b/yocto/meta-mikrophone/recipes-kernel/linux/device-tree-overlays/mikroPhone-panel_overlay.dts
new file mode 100644
index 0000000..bee2682
--- /dev/null
+++ b/yocto/meta-mikrophone/recipes-kernel/linux/device-tree-overlays/mikroPhone-panel_overlay.dts
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2025 Uros Majstorovic
+ */
+
+// adapted from: https://git.toradex.com/cgit/device-tree-overlays.git/tree/overlays/verdin-imx8mp_panel-cap-touch-10inch-lvds_overlay.dts?h=toradex_6.6-2.2.x-imx
+// Verdin iMX8M Plus single-channel LVDS
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+#include "freescale/imx8mp-pinfunc.h"
+
+/ {
+	compatible = "toradex,verdin-imx8mp";
+};
+
+&{/} {
+	backlight_lvds_native: backlight-lvds-native {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
+		/* Verdin PWM_1 (SODIMM 15) */
+		pwms = <&pwm1 0 6666667>;
+	};
+
+	panel-lvds-native {
+		compatible = "panel-lvds";
+		backlight = <&backlight_lvds_native>;
+		data-mapping = "vesa-24";
+		height-mm = <110>;
+		width-mm = <62>;
+
+		panel-timing {
+			clock-frequency = <36000000>;
+			hactive = <480>;
+			hfront-porch = <23 60 71>;
+			hsync-len = <15 40 47>;
+			hback-porch = <23 60 71>;
+
+			vactive = <854>;
+			vfront-porch = <5 7 10>;
+			vsync-len = <6 9 12>;
+			vback-porch = <5 7 10>;
+
+			hsync-active = <0>;
+			vsync-active = <0>;
+			de-active = <0>;
+			pixelclk-active = <1>; /* positive edge */
+		};
+
+		port {
+			panel_lvds_native_in: endpoint {
+				remote-endpoint = <&lvds_out>;
+			};
+		};
+	};
+};
+
+/* Verdin I2C_1 */
+&i2c4 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	gt911@5d {
+		compatible = "goodix,gt911";
+		reg = <0x5d>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio1>;
+		/* Verdin GPIO_3 (SODIMM 210) */
+		interrupt-parent = <&gpio1>;
+		interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+		/* Verdin GPIO_4 (SODIMM 212) */
+		reset-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+		status = "okay";
+	};
+};
+
+&lcdif2 {
+	status = "okay";
+};
+
+&ldb {
+	status = "okay";
+
+	lvds-channel@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		fsl,data-mapping = "spwg";
+		fsl,data-width = <24>;
+		status = "okay";
+
+		port@1 {
+			reg = <1>;
+
+			lvds_out: endpoint {
+				remote-endpoint = <&panel_lvds_native_in>;
+			};
+		};
+	};
+};
+
+&ldb_phy {
+	status = "okay";
+};