ARM: dts: colibri-imx6ull-lcdif: add lcdif interface device tree

Isolate LCD related interfaces  lcdif, backlight, pwm4
into separate device tree. Keep these interfaces disabled by default

Enable interfaces in colibri specific device tree.

Related-to: ELB-3868
Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>

1 files changed, 188 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6ull-colibri-lcdif.dtsi b/arch/arm/boot/dts/imx6ull-colibri-lcdif.dtsi
new file mode 100644
index 000000000000..c7ca5b7cc126
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-lcdif.dtsi
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2021 Toradex AG
+ */
+#include "imx6ull.dtsi"
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_bl_on>;
+		enable-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
+		pwms = <&pwm4 0 6666667 PWM_POLARITY_INVERTED>;
+		status = "disabled";
+	};
+};
+
+&iomuxc {
+	pinctrl_lcdif_dat: lcdif-dat-grp {
+		fsl,pins = <
+			MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x00079	/* SODIMM 76 */
+			MX6UL_PAD_LCD_DATA01__LCDIF_DATA01 0x00079	/* SODIMM 70 */
+			MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x00079	/* SODIMM 60 */
+			MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x00079	/* SODIMM 58 */
+			MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x00079	/* SODIMM 78 */
+			MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x00079	/* SODIMM 72 */
+			MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x00079	/* SODIMM 80 */
+			MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x00079	/* SODIMM 46 */
+			MX6UL_PAD_LCD_DATA08__LCDIF_DATA08 0x00079	/* SODIMM 62 */
+			MX6UL_PAD_LCD_DATA09__LCDIF_DATA09 0x00079	/* SODIMM 48 */
+			MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x00079	/* SODIMM 74 */
+			MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x00079	/* SODIMM 50 */
+			MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x00079	/* SODIMM 52 */
+			MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x00079	/* SODIMM 54 */
+			MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x00079	/* SODIMM 66 */
+			MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x00079	/* SODIMM 64 */
+			MX6UL_PAD_LCD_DATA16__LCDIF_DATA16 0x00079	/* SODIMM 57 */
+			MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x00079	/* SODIMM 61 */
+		>;
+	};
+
+	pinctrl_lcdif_ctrl: lcdif-ctrl-grp {
+		fsl,pins = <
+			MX6UL_PAD_LCD_CLK__LCDIF_CLK	    0x00079	/* SODIMM 56 */
+			MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE  0x00079	/* SODIMM 44 */
+			MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC    0x00079	/* SODIMM 68 */
+			MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC    0x00079	/* SODIMM 82 */
+		>;
+	};
+
+	pinctrl_pwm4: pwm4-grp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_WP_B__PWM4_OUT	0x00079		/* SODIMM 59 */
+		>;
+	};
+};
+
+&pwm4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm4>;
+	#pwm-cells = <3>;
+	status = "disabled";
+};
+
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif_dat
+		     &pinctrl_lcdif_ctrl>;
+
+	display = <&display0>;
+	status = "disabled";
+
+	display0: lcd-display {
+		bits-per-pixel = <16>;
+		bus-width = <18>;
+
+		display-timings {
+			native-mode = <&timing_vga>;
+
+			/* Standard VGA timing */
+			timing_vga: 640x480 {
+				clock-frequency = <25175000>;
+				hactive = <640>;
+				vactive = <480>;
+				hback-porch = <40>;
+				hfront-porch = <24>;
+				vback-porch = <32>;
+				vfront-porch = <11>;
+				hsync-len = <96>;
+				vsync-len = <2>;
+
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <0>;
+			};
+
+			/* WVGA Timing, e.g. EDT ET070080DH6 */
+			timing_wvga: 800x480 {
+				clock-frequency = <33260000>;
+				hactive = <800>;
+				vactive = <480>;
+				hback-porch = <216>;
+				hfront-porch = <40>;
+				vback-porch = <35>;
+				vfront-porch = <10>;
+				hsync-len = <128>;
+				vsync-len = <2>;
+
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <0>;
+			};
+			/* WVGA Timing, TouchRevolution Fusion 7" */
+			timing_wvga2: 800x480pixclkact {
+				clock-frequency = <33260000>;
+				hactive = <800>;
+				vactive = <480>;
+				hback-porch = <216>;
+				hfront-porch = <40>;
+				vback-porch = <35>;
+				vfront-porch = <10>;
+				hsync-len = <128>;
+				vsync-len = <2>;
+
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <1>;
+			};
+			/* Standard SVGA timing */
+			timing_svga: 800x600 {
+				clock-frequency = <40000000>;
+				hactive = <800>;
+				vactive = <600>;
+				hback-porch = <88>;
+				hfront-porch = <40>;
+				vback-porch = <23>;
+				vfront-porch = <1>;
+				hsync-len = <128>;
+				vsync-len = <4>;
+
+				de-active = <1>;
+				hsync-active = <1>;
+				vsync-active = <1>;
+				pixelclk-active = <0>;
+			};
+			/* TouchRevolution Fusion 10"/CLAA101NC05 10.1 inch */
+			timing_wsvga: 1024x600 {
+				clock-frequency = <48000000>;
+				hactive = <1024>;
+				vactive = <600>;
+				hback-porch = <104>;
+				hfront-porch = <43>;
+				vback-porch = <24>;
+				vfront-porch = <20>;
+				hsync-len = <5>;
+				vsync-len = <5>;
+
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <0>;
+			};
+			/* Standard XGA timing */
+			timing_xga: 1024x768 {
+				clock-frequency = <65000000>;
+				hactive = <1024>;
+				vactive = <768>;
+				hback-porch = <160>;
+				hfront-porch = <24>;
+				vback-porch = <29>;
+				vfront-porch = <3>;
+				hsync-len = <136>;
+				vsync-len = <6>;
+
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <0>;
+			};
+		};
+	};
+};