From 653cb21b42a735b8dca99489837c0baa61ec1503 Mon Sep 17 00:00:00 2001
From: Oleksii Bidnichenko <oleksii.bidnichenko@toradex.com>
Date: Sun, 22 Aug 2021 13:38:22 +0300
Subject: imx6ull-emmc: add overlays

Add following overlays:
 - Parallel RGB support
 - Parallel RGB LVDS support
 - Atmel MXT TS for boards with Capacitive Touch Connector
 - Atmel MXT TS for Capacitive Touch Adapter
 - Toradex 7" resistive touchscreen ad7879

Related-to: ELB-4065
Related-to: ELB-4080

Signed-off-by: Oleksii Bidnichenko <oleksii.bidnichenko@toradex.com>
---
 .../colibri-imx6ull_parallel-rgb-lvds_overlay.dts  | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 overlays/colibri-imx6ull_parallel-rgb-lvds_overlay.dts

(limited to 'overlays/colibri-imx6ull_parallel-rgb-lvds_overlay.dts')

diff --git a/overlays/colibri-imx6ull_parallel-rgb-lvds_overlay.dts b/overlays/colibri-imx6ull_parallel-rgb-lvds_overlay.dts
new file mode 100644
index 0000000..e4a740e
--- /dev/null
+++ b/overlays/colibri-imx6ull_parallel-rgb-lvds_overlay.dts
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2020-2021 Toradex
+ */
+
+// Enable the parallel RGB interface on the Colibri iMX6ULL and the LVDS
+// trasceiver on the Iris v2.0A.
+
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "toradex,colibri-imx6ull-emmc";
+};
+
+&backlight {
+	status = "okay";
+};
+
+&can1 {
+	// Disabled due to the SODIMM 55 and 63 pins overlapping
+	status = "disabled";
+};
+
+&gpio1 {
+	// This turns the LVDS transceiver on
+	LVDS_PWRDWN {
+		gpio-hog;
+		gpios = <14 GPIO_ACTIVE_HIGH>; /* SODIMM 99 */
+		line-name = "LVDS_PWRDWN";
+		output-high;
+	};
+};
+
+&gpio2 {
+	// This switches the LVDS transceiver to the single-channel output mode
+	LVDS_MODE {
+		gpio-hog;
+		gpios = <0 GPIO_ACTIVE_HIGH>; /* SODIMM 55 */
+		line-name = "LVDS_MODE";
+		output-high;
+	};
+
+	// This switches the LVDS transceiver to the 24-bit RGB mode
+	LVDS_RGB_MODE {
+		gpio-hog;
+		gpios = <1 GPIO_ACTIVE_HIGH>; /* SODIMM 63 */
+		line-name = "LVDS_RGB_MODE";
+		output-low;
+	};
+};
+
+&gpio5 {
+	// This switches the LVDS transceiver to VESA color mapping mode
+	LVDS_COLOR_MAP {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_HIGH>; /* SODIMM 95 */
+		line-name = "LVDS_COLOR_MAP";
+		output-low;
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&panel_dpi {
+	status = "okay";
+};
+
+&pwm4 {
+	status = "okay";
+};
-- 
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