MLK-23252-12 arm64: dts: imx8mp-evk: Add it6263 LVDS2HDMI dual chan support

This patch adds it6263 LVDS to HDMI transmitter dual channel support
on the i.MX8mp EVK platform.

Reviewed-by: Sandor Yu <Sandor.yu@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 1526109..5d54a88 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -36,7 +36,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb imx8mn-evk-rm67191.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb imx8mn-ddr4-evk-ak5558.dtb imx8mn-ddr4-evk-rm67191.dtb \
                          imx8mn-ddr4-evk-rpmsg.dtb imx8mn-ddr4-evk-root.dtb imx8mn-ddr4-evk-inmate.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
-dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb imx8mp-evk-rm67191.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb imx8mp-evk-rm67191.dtb imx8mp-evk-it6263-lvds-dual-channel.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb imx8mq-evk-rpmsg.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb imx8mq-evk-rpmsg.dtb imx8mq-evk-pcie1-m2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-ak4497.dtb imx8mq-evk-audio-tdm.dtb imx8mq-evk-pdm.dtb

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk-it6263-lvds-dual-channel.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk-it6263-lvds-dual-channel.dts
new file mode 100644 (file)
index 0000000..4e922be
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-it6263-lvds-dual-channel.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 NXP
+ */
+
+#include "imx8mp-evk.dts"
+
+/ {
+       display-subsystem {
+               compatible = "fsl,imx-display-subsystem";
+               ports = <&lcdif2_disp>;
+       };
+};
+
+&i2c2 {
+       lvds_bridge: lvds-to-hdmi-bridge@4c {
+               compatible = "ite,it6263";
+               reg = <0x4c>;
+               reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+               split-mode;
+
+               port {
+                       it6263_in: endpoint {
+                               remote-endpoint = <&lvds_out>;
+                       };
+               };
+       };
+};
+
+&lcdif2 {
+       status = "okay";
+};
+
+&ldb {
+       status = "okay";
+       fsl,dual-channel;
+
+       lvds-channel@0 {
+               fsl,data-mapping = "jeida";
+               fsl,data-width = <24>;
+               status = "okay";
+
+               port@1 {
+                       reg = <1>;
+
+                       lvds_out: endpoint {
+                               remote-endpoint = <&it6263_in>;
+                       };
+               };
+       };
+};
+
+&ldb_phy {
+       status = "okay";
+};