[v2,3/5] arm64: dts: imx8mn-tqma8mqnl-mba8mx: Add LVDS overlay

Commit Message

Alexander Stein Aug. 22, 2023, 12:08 p.m. UTC

This overlay enables the DSI-LVDS display chain and configures the
actual panel compatible. Also add the DSIM supply voltages.

Signed-off-by: Alexander Stein <[e-mail]>
---
 arch/arm64/boot/dts/freescale/Makefile        |  4 ++
 ...8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso | 45 +++++++++++++++++++
 .../boot/dts/freescale/imx8mn-tqma8mqnl.dtsi  |  5 +++
 3 files changed, 54 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso

Patch

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index ad86cc60da7ca..72a21aa32855e 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -95,6 +95,10 @@  dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
+
+imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso
new file mode 100644
index 0000000000000..29235e390a5d7
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso
@@ -0,0 +1,45 @@ 
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2023 TQ-Systems GmbH <[e-mail]>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	compatible = "tq,imx8mn-tqma8mqnl-mba8mx", "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
+};
+
+&backlight_lvds {
+	status = "okay";
+};
+
+&dsi_lvds_bridge {
+	status = "okay";
+};
+
+&expander0 {
+	dsi-mux-oe-hog {
+		gpio-hog;
+		gpios = <10 GPIO_ACTIVE_LOW>;
+		output-high;
+		line-name = "DSI_MUX_OE#";
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+	status = "okay";
+};
+
+&panel {
+	compatible = "tianma,tm070jvhg33";
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
index 391ca5516e4c5..fb24b9aa1b938 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
@@ -219,6 +219,11 @@  eeprom0: eeprom@57 {
 	};
 };
 
+&mipi_dsi {
+	vddcore-supply = <&ldo4_reg>;
+	vddio-supply = <&ldo3_reg>;
+};
+
 &usdhc3 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc3>;