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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bcm2837-rpi-zero-2-w.dts (2525B)

      1// SPDX-License-Identifier: GPL-2.0+
      2/*
      3 * Copyright (C) 2022 Stefan Wahren <stefan.wahren@i2se.com>
      4 */
      5
      6/dts-v1/;
      7#include "bcm2837.dtsi"
      8#include "bcm2836-rpi.dtsi"
      9#include "bcm283x-rpi-usb-otg.dtsi"
     10#include "bcm283x-rpi-wifi-bt.dtsi"
     11
     12/ {
     13	compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837";
     14	model = "Raspberry Pi Zero 2 W";
     15
     16	memory@0 {
     17		device_type = "memory";
     18		reg = <0 0x20000000>;
     19	};
     20
     21	chosen {
     22		/* 8250 auxiliary UART instead of pl011 */
     23		stdout-path = "serial1:115200n8";
     24	};
     25
     26	leds {
     27		led-act {
     28			gpios = <&gpio 29 GPIO_ACTIVE_LOW>;
     29		};
     30	};
     31};
     32
     33&bt {
     34	shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
     35};
     36
     37&gpio {
     38	/*
     39	 * This is based on the official GPU firmware DT blob.
     40	 *
     41	 * Legend:
     42	 * "NC" = not connected (no rail from the SoC)
     43	 * "FOO" = GPIO line named "FOO" on the schematic
     44	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
     45	 */
     46	gpio-line-names = "ID_SDA",
     47			  "ID_SCL",
     48			  "SDA1",
     49			  "SCL1",
     50			  "GPIO_GCLK",
     51			  "GPIO5",
     52			  "GPIO6",
     53			  "SPI_CE1_N",
     54			  "SPI_CE0_N",
     55			  "SPI_MISO",
     56			  "SPI_MOSI",
     57			  "SPI_SCLK",
     58			  "GPIO12",
     59			  "GPIO13",
     60			  /* Serial port */
     61			  "TXD0",
     62			  "RXD0",
     63			  "GPIO16",
     64			  "GPIO17",
     65			  "GPIO18",
     66			  "GPIO19",
     67			  "GPIO20",
     68			  "GPIO21",
     69			  "GPIO22",
     70			  "GPIO23",
     71			  "GPIO24",
     72			  "GPIO25",
     73			  "GPIO26",
     74			  "GPIO27",
     75			  "HDMI_HPD_N",
     76			  "STATUS_LED_N",
     77			  "NC", /* GPIO30 */
     78			  "NC", /* GPIO31 */
     79			  "NC", /* GPIO32 */
     80			  "NC", /* GPIO33 */
     81			  "NC", /* GPIO34 */
     82			  "NC", /* GPIO35 */
     83			  "NC", /* GPIO36 */
     84			  "NC", /* GPIO37 */
     85			  "NC", /* GPIO38 */
     86			  "NC", /* GPIO39 */
     87			  "CAM_GPIO0", /* GPIO40 */
     88			  "WL_ON", /* GPIO41 */
     89			  "BT_ON", /* GPIO42 */
     90			  "WIFI_CLK", /* GPIO43 */
     91			  "SDA0", /* GPIO44 */
     92			  "SCL0", /* GPIO45 */
     93			  "SMPS_SCL",
     94			  "SMPS_SDA",
     95			  /* Used by SD Card */
     96			  "SD_CLK_R",
     97			  "SD_CMD_R",
     98			  "SD_DATA0_R",
     99			  "SD_DATA1_R",
    100			  "SD_DATA2_R",
    101			  "SD_DATA3_R";
    102
    103	pinctrl-0 = <&gpioout &alt0>;
    104};
    105
    106&hdmi {
    107	hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
    108	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
    109	status = "okay";
    110};
    111
    112&sdhci {
    113	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
    114};
    115
    116&sdhost {
    117	pinctrl-names = "default";
    118	pinctrl-0 = <&sdhost_gpio48>;
    119	bus-width = <4>;
    120	status = "okay";
    121};
    122
    123&uart0 {
    124	pinctrl-names = "default";
    125	pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
    126};
    127
    128&uart1 {
    129	pinctrl-names = "default";
    130	pinctrl-0 = <&uart1_gpio14>;
    131	status = "okay";
    132};
    133
    134&wifi_pwrseq {
    135	reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
    136};