From 5bbfe45b8f774650ba5c980b45022cb901acac01 Mon Sep 17 00:00:00 2001 From: Francesco Dolcini Date: Wed, 19 Apr 2023 19:31:47 +0200 Subject: verdin-am62: add DSI to HDMI overlay Add Verdin DSI to HDMI adapter overlay. Related-to: ELB-5026 Signed-off-by: Francesco Dolcini --- overlays/Makefile | 1 + overlays/verdin-am62_dsi-to-hdmi_overlay.dts | 107 +++++++++++++++++++++++++++ 2 files changed, 108 insertions(+) create mode 100644 overlays/verdin-am62_dsi-to-hdmi_overlay.dts diff --git a/overlays/Makefile b/overlays/Makefile index 546f381..9efffeb 100644 --- a/overlays/Makefile +++ b/overlays/Makefile @@ -50,6 +50,7 @@ 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-am62_dsi-to-hdmi_overlay.dtbo dtb-y += verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dtbo dtb-y += verdin-am62_mezzanine_panel-cap-touch-10inch-lvds_overlay.dtbo dtb-y += verdin-am62_mezzanine_panel-lvds-dual-channel-1080p_overlay.dtbo diff --git a/overlays/verdin-am62_dsi-to-hdmi_overlay.dts b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts new file mode 100644 index 0000000..365b26c --- /dev/null +++ b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2023 Toradex + */ + +// Verdin DSI to HDMI Adapter orderable at Toradex. + +/dts-v1/; +/plugin/; + +#include +#include + +/ { + compatible = "toradex,verdin-am62"; +}; + +&{/} { + hdmi_connector: hdmi-connector { + compatible = "hdmi-connector"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm3_dsi_gpio>; + ddc-i2c-bus = <&main_i2c2>; + /* Verdin PWM_3_DSI (SODIMM 19) */ + hpd-gpios = <&main_gpio1 17 GPIO_ACTIVE_HIGH>; + label = "hdmi"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <<8912_1_out>; + }; + }; + }; + +}; + +&dsi_bridge { + status = "okay"; +}; + +&dsi_bridge_ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + mipi_dsi_bridge1_out: endpoint { + remote-endpoint = <<8912_1_in>; + }; + }; +}; + +&dss { + status = "okay"; +}; + +/* Verdin I2C_1 */ +&main_i2c1 { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + hdmi_lontium_lt8912: hdmi@48 { + compatible = "lontium,lt8912b"; + reg = <0x48>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dsi1_bkl_en>; + /* Verdin GPIO_9_DSI (LT8912 INT, SODIMM 17, unused) */ + /* Verdin GPIO_10_DSI (SODIMM 21) */ + reset-gpios = <&main_gpio0 30 GPIO_ACTIVE_LOW>; + + 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>; + }; + }; + }; + }; +}; + +/* Verdin I2C_2_DSI */ +&main_i2c2 { + status = "okay"; +}; + +/* Verdin PWM_3_DSI */ +&epwm1 { + /* Verdin PWM_3_DSI (SODIMM 19) is used as HDMI HPD / GPIO, disable to avoid conflicts */ + status = "disabled"; +}; -- cgit v1.2.3