// SPDX-License-Identifier: (GPL-2.0 OR MIT) /* * Copyright 2020 Compass Electronics Group, LLC */ /dts-v1/; #include "imx8mn.dtsi" #include "imx8mn-beacon-som.dtsi" #include "imx8mn-beacon-baseboard.dtsi" / { model = "Beacon EmbeddedWorks i.MX8M Nano Development Kit"; compatible = "beacon,imx8mn-beacon-kit", "fsl,imx8mn"; chosen { stdout-path = &uart2; }; connector { compatible = "hdmi-connector"; type = "a"; port { hdmi_connector_in: endpoint { remote-endpoint = <&adv7535_out>; }; }; }; reg_hdmi: regulator-hdmi-dvdd { compatible = "regulator-fixed"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_reg_hdmi>; regulator-name = "hdmi_pwr_en"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; enable-active-high; startup-delay-us = <70000>; regulator-always-on; }; sound-hdmi { compatible = "simple-audio-card"; simple-audio-card,name = "sound-hdmi"; simple-audio-card,format = "i2s"; simple-audio-card,cpu { sound-dai = <&sai5>; system-clock-direction-out; }; simple-audio-card,codec { sound-dai = <&adv_bridge>; }; }; }; &i2c2 { adv_bridge: hdmi@3d { compatible = "adi,adv7535"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_hdmi_bridge>; reg = <0x3d>, <0x3e>, <0x3c>, <0x3f>; reg-names = "main", "edid", "cec", "packet"; adi,dsi-lanes = <4>; avdd-supply = <®_hdmi>; a2vdd-supply = <®_hdmi>; dvdd-supply = <®_hdmi>; pvdd-supply = <®_hdmi>; v1p2-supply = <®_hdmi>; v3p3-supply = <®_hdmi>; interrupt-parent = <&gpio1>; interrupts = <9 IRQ_TYPE_LEVEL_LOW>; #sound-dai-cells = <0>; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; adv7535_in: endpoint { remote-endpoint = <&dsi_out>; }; }; port@1 { reg = <1>; adv7535_out: endpoint { remote-endpoint = <&hdmi_connector_in>; }; }; }; }; }; &lcdif { status = "okay"; }; &mipi_dsi { samsung,esc-clock-frequency = <20000000>; status = "okay"; ports { port@1 { reg = <1>; dsi_out: endpoint { remote-endpoint = <&adv7535_in>; }; }; }; }; &sai5 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai5>; assigned-clocks = <&clk IMX8MN_CLK_SAI5>; assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>; assigned-clock-rates = <24576000>; #sound-dai-cells = <0>; status = "okay"; }; &iomuxc { pinctrl_hdmi_bridge: hdmibridgegrp { fsl,pins = < MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19 >; }; pinctrl_reg_hdmi: reghdmigrp { fsl,pins = < MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11 0x16 >; }; pinctrl_sai5: sai5grp { fsl,pins = < MX8MN_IOMUXC_SAI5_RXD3_SAI5_TX_DATA0 0xd6 MX8MN_IOMUXC_SAI5_RXD2_SAI5_TX_BCLK 0xd6 MX8MN_IOMUXC_SAI5_RXD1_SAI5_TX_SYNC 0xd6 >; }; };