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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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60c833d566
There might be headless setups of the Compute Module without HDMI, so better enable HDMI at board level. Btw this allows moving HDMI base definition into upcoming bcm2835-common.dtsi. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Reviewed-by: Eric Anholt <eric@anholt.net>
182 lines
3.3 KiB
Plaintext
182 lines
3.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include "bcm2837.dtsi"
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#include "bcm2836-rpi.dtsi"
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#include "bcm283x-rpi-lan7515.dtsi"
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#include "bcm283x-rpi-usb-host.dtsi"
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/ {
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compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
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model = "Raspberry Pi 3 Model B+";
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chosen {
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/* 8250 auxiliary UART instead of pl011 */
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stdout-path = "serial1:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0 0x40000000>;
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};
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leds {
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act {
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gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
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};
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pwr {
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label = "PWR";
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gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
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};
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};
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wifi_pwrseq: wifi-pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
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};
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};
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&firmware {
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names = "BT_ON",
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"WL_ON",
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"STATUS_LED_R",
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"LAN_RUN",
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"",
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"CAM_GPIO0",
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"CAM_GPIO1",
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"";
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status = "okay";
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};
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};
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&gpio {
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/*
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* Taken from rpi_SCH_3bplus_1p0_reduced.pdf and
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* the official GPU firmware DT blob.
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*
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* Legend:
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* "NC" = not connected (no rail from the SoC)
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* "FOO" = GPIO line named "FOO" on the schematic
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* "FOO_N" = GPIO line named "FOO" on schematic, active low
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*/
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gpio-line-names = "ID_SDA",
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"ID_SCL",
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"SDA1",
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"SCL1",
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"GPIO_GCLK",
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"GPIO5",
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"GPIO6",
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"SPI_CE1_N",
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"SPI_CE0_N",
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"SPI_MISO",
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"SPI_MOSI",
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"SPI_SCLK",
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"GPIO12",
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"GPIO13",
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/* Serial port */
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"TXD1",
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"RXD1",
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"GPIO16",
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"GPIO17",
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"GPIO18",
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"GPIO19",
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"GPIO20",
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"GPIO21",
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"GPIO22",
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"GPIO23",
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"GPIO24",
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"GPIO25",
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"GPIO26",
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"GPIO27",
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"HDMI_HPD_N",
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"STATUS_LED_G",
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/* Used by BT module */
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"CTS0",
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"RTS0",
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"TXD0",
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"RXD0",
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/* Used by Wifi */
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"SD1_CLK",
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"SD1_CMD",
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"SD1_DATA0",
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"SD1_DATA1",
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"SD1_DATA2",
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"SD1_DATA3",
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"PWM0_OUT",
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"PWM1_OUT",
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"ETHCLK",
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"WIFI_CLK",
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"SDA0",
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"SCL0",
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"SMPS_SCL",
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"SMPS_SDA",
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/* Used by SD Card */
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"SD_CLK_R",
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"SD_CMD_R",
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"SD_DATA0_R",
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"SD_DATA1_R",
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"SD_DATA2_R",
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"SD_DATA3_R";
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};
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&hdmi {
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hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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status = "okay";
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};
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
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status = "okay";
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};
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/* SDHCI is used to control the SDIO for wireless */
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&sdhci {
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&emmc_gpio34>;
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status = "okay";
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bus-width = <4>;
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non-removable;
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mmc-pwrseq = <&wifi_pwrseq>;
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brcmf: wifi@1 {
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reg = <1>;
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compatible = "brcm,bcm4329-fmac";
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};
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};
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/* SDHOST is used to drive the SD card */
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&sdhost {
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pinctrl-names = "default";
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pinctrl-0 = <&sdhost_gpio48>;
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status = "okay";
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bus-width = <4>;
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};
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
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status = "okay";
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bluetooth {
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compatible = "brcm,bcm43438-bt";
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max-speed = <2000000>;
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shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
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};
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};
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/* uart1 is mapped to the pin header */
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_gpio14>;
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status = "okay";
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};
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