cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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imx8mm-verdin-dev.dtsi (1442B)

      1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
      2/*
      3 * Copyright 2022 Toradex
      4 */
      5
      6#include "imx8mm-verdin-dahlia.dtsi"
      7
      8/ {
      9	sound_card: sound-card {
     10		compatible = "simple-audio-card";
     11		simple-audio-card,bitclock-master = <&dailink_master>;
     12		simple-audio-card,format = "i2s";
     13		simple-audio-card,frame-master = <&dailink_master>;
     14		simple-audio-card,name = "imx8mm-nau8822";
     15		simple-audio-card,routing =
     16			"Headphones", "LHP",
     17			"Headphones", "RHP",
     18			"Speaker", "LSPK",
     19			"Speaker", "RSPK",
     20			"Line Out", "AUXOUT1",
     21			"Line Out", "AUXOUT2",
     22			"LAUX", "Line In",
     23			"RAUX", "Line In",
     24			"LMICP", "Mic In",
     25			"RMICP", "Mic In";
     26		simple-audio-card,widgets =
     27			"Headphones", "Headphones",
     28			"Line Out", "Line Out",
     29			"Speaker", "Speaker",
     30			"Microphone", "Mic In",
     31			"Line", "Line In";
     32
     33		dailink_master: simple-audio-card,codec {
     34			clocks = <&clk IMX8MM_CLK_SAI2_ROOT>;
     35			sound-dai = <&nau8822_1a>;
     36		};
     37
     38		simple-audio-card,cpu {
     39			sound-dai = <&sai2>;
     40		};
     41	};
     42};
     43
     44&gpio_expander_21 {
     45	status = "okay";
     46};
     47
     48/* Verdin I2C_1 */
     49&i2c4 {
     50	/* Audio Codec */
     51	nau8822_1a: audio-codec@1a {
     52		compatible = "nuvoton,nau8822";
     53		reg = <0x1a>;
     54	};
     55};
     56
     57/* Verdin UART_1, connector X50 through RS485 transceiver */
     58&uart2 {
     59	linux,rs485-enabled-at-boot-time;
     60	rs485-rts-active-low;
     61	rs485-rx-during-tx;
     62};
     63
     64/* Limit frequency on dev board due to long traces and bad signal integrity */
     65&usdhc2 {
     66	max-frequency = <100000000>;
     67};