From 95bde7f1893017b9de14e106c0830faecccda85d Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Sat, 5 Nov 2022 23:50:39 +0100 Subject: verdin-imx8mm: add dsi-to-hdmi overlay Add Verdin DSI to HDMI Adapter (dsi-to-hdmi) with Lontium LT8912B MIPI DSI to HDMI bridge chip device tree overlay compatible with mainline/ master/upstream v6.5-rc2 Linux kernel and device trees. Signed-off-by: Marcel Ziswiler --- overlays/Makefile | 1 + overlays/verdin-imx8mm_dsi-to-hdmi_overlay.dts | 81 ++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) create mode 100644 overlays/verdin-imx8mm_dsi-to-hdmi_overlay.dts diff --git a/overlays/Makefile b/overlays/Makefile index 9ad76e0..43d6980 100644 --- a/overlays/Makefile +++ b/overlays/Makefile @@ -52,6 +52,7 @@ dtb-y += colibri-imx7_panel-cap-touch-10inch-lvds_overlay.dtbo dtb-y += colibri-imx7_panel-res-touch-7inch_overlay.dtbo dtb-y += colibri-imx7_spidev_overlay.dtbo dtb-y += colibri-imx7_vga-640x480_overlay.dtbo +dtb-y += verdin-imx8mm_dsi-to-hdmi_overlay.dtbo dtb-y += verdin-imx8mm_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dtbo dtb-y += verdin-imx8mm_nau8822-btl_overlay.dtbo dtb-y += verdin-imx8mm_spidev_overlay.dtbo diff --git a/overlays/verdin-imx8mm_dsi-to-hdmi_overlay.dts b/overlays/verdin-imx8mm_dsi-to-hdmi_overlay.dts new file mode 100644 index 0000000..5edfbd0 --- /dev/null +++ b/overlays/verdin-imx8mm_dsi-to-hdmi_overlay.dts @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2022 Toradex + */ + +// Verdin DSI to HDMI Adapter orderable at Toradex. + +/dts-v1/; +/plugin/; + +/ { + compatible = "toradex,verdin-imx8mm"; +}; + +&mipi_dsi { + samsung,esc-clock-frequency = <16000000>; + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + mipi_dsi_bridge1_out: endpoint { + attach-bridge; + remote-endpoint = <<8912_1_in>; + }; + }; + }; +}; + +&hdmi_lontium_lt8912 { + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lt8912_1_in: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&mipi_dsi_bridge1_out>; + }; + }; + + port@1 { + reg = <1>; + + lt8912_1_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; +}; + +&hdmi_connector { + status = "okay"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <<8912_1_out>; + }; + }; +}; + +/* Verdin I2C_2_DSI */ +&i2c2 { + status = "okay"; +}; + +&lcdif { + status = "okay"; +}; + +&pwm1 { + status = "disabled"; +}; -- cgit v1.2.3