apalis-imx8: lvds: move to one overlay per panel

- Move to use only one overlay file for each panel/connection variant
- Move lvds overlays to new naming
- Adapt to dtb changes used in BSP6, 5.15-2.1.x kernel
- Rename *mezzanine-can* to *mezzanine_can*

Related-to: ELB-4896 ELB-4901
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts b/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts
new file mode 100644
index 0000000..84f485b
--- /dev/null
+++ b/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2020-2022 Toradex
+ */
+
+/*
+ * Apalis iMX8 driving the Capacitive Touch Display 10.1" LVDS connected to
+ * the Apalis Evaluation board Mezzanine.
+ */
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+/ {
+	compatible = "toradex,apalis-imx8", "toradex,apalis-imx8-v1.1";
+};
+
+&ldb1 {
+	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>;
+
+			lvds2_out: endpoint {
+				remote-endpoint = <&panel2_lvds_in>;
+			};
+		};
+	};
+};
+
+&ldb1_phy {
+	status = "okay";
+};
+
+&{/} {
+	panel2_lvds: panel2-lvds {
+		compatible = "panel-lvds";
+		data-mapping = "vesa-24";
+		height-mm = <136>;
+		width-mm = <217>;
+		status = "okay";
+
+		panel-timing {
+			clock-frequency = <68900000 71100000 73400000>;
+			de-active = <1>;
+			hactive = <1280 1280 1280>;
+			hback-porch = <23 60 71>;
+			hfront-porch = <23 60 71>;
+			hsync-len = <15 40 47>;
+			pixelclk-active = <1>; /* positive edge */
+			vactive = <800 800 800>;
+			vback-porch = <5 7 10>;
+			vfront-porch = <5 7 10>;
+			vsync-len = <6 9 12>;
+		};
+
+		port {
+			panel2_lvds_in: endpoint {
+				remote-endpoint = <&lvds2_out>;
+			};
+		};
+	};
+};
+
+/* Enable 10" LVDS backlight LVDS_0_BKL1_ON */
+&lsio_gpio1 {
+	LVDS_0_BKL1_ON {
+		gpio-hog;
+		gpios = <22 GPIO_ACTIVE_HIGH>;
+		line-name = "LVDS_0_BKL1_ON";
+		output-high;
+	};
+};
+
+/*
+ * Put LVDS_0_PWM_BKL1 (GPIO8) low. GPIO8 is shared with gpio-fan.
+ * JP20 should be set to 1-2 (automatic) instead of GPIO8 (2-3).
+ */
+&lsio_gpio3 {
+	PWM_BKL1 {
+		gpio-hog;
+		gpios = <28 GPIO_ACTIVE_HIGH>;
+		line-name = "LVDS_0_PWM_BKL1";
+		output-low;
+	};
+};
+
+&gpio_fan {
+	status = "disabled";
+};