mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
0b559d5c5b
The GPIO sysfs is deprecated and disabled in the defconfig files. So in order to motivate the usage of the new GPIO character device API add the missing GPIO line names for Raspberry Pi 2 and 3. In the lack of full schematics i would leave all undocumented pins as unnamed. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Tested-by: Peter Robinson <pbrobinson@gmail.com> Reviewed-by: Eric Anholt <eric@anholt.net>
179 lines
3.2 KiB
Plaintext
179 lines
3.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
|
|
/dts-v1/;
|
|
#include "bcm2837.dtsi"
|
|
#include "bcm2836-rpi.dtsi"
|
|
#include "bcm283x-rpi-lan7515.dtsi"
|
|
#include "bcm283x-rpi-usb-host.dtsi"
|
|
|
|
/ {
|
|
compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
|
|
model = "Raspberry Pi 3 Model B+";
|
|
|
|
chosen {
|
|
/* 8250 auxiliary UART instead of pl011 */
|
|
stdout-path = "serial1:115200n8";
|
|
};
|
|
|
|
memory@0 {
|
|
reg = <0 0x40000000>;
|
|
};
|
|
|
|
leds {
|
|
act {
|
|
gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
|
|
};
|
|
|
|
pwr {
|
|
label = "PWR";
|
|
gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
|
|
};
|
|
};
|
|
|
|
wifi_pwrseq: wifi-pwrseq {
|
|
compatible = "mmc-pwrseq-simple";
|
|
reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
|
|
};
|
|
};
|
|
|
|
&firmware {
|
|
expgpio: gpio {
|
|
compatible = "raspberrypi,firmware-gpio";
|
|
gpio-controller;
|
|
#gpio-cells = <2>;
|
|
gpio-line-names = "BT_ON",
|
|
"WL_ON",
|
|
"STATUS_LED_R",
|
|
"LAN_RUN",
|
|
"",
|
|
"CAM_GPIO0",
|
|
"CAM_GPIO1",
|
|
"";
|
|
status = "okay";
|
|
};
|
|
};
|
|
|
|
&gpio {
|
|
/*
|
|
* Taken from rpi_SCH_3bplus_1p0_reduced.pdf and
|
|
* the official GPU firmware DT blob.
|
|
*
|
|
* Legend:
|
|
* "NC" = not connected (no rail from the SoC)
|
|
* "FOO" = GPIO line named "FOO" on the schematic
|
|
* "FOO_N" = GPIO line named "FOO" on schematic, active low
|
|
*/
|
|
gpio-line-names = "ID_SDA",
|
|
"ID_SCL",
|
|
"SDA1",
|
|
"SCL1",
|
|
"GPIO_GCLK",
|
|
"GPIO5",
|
|
"GPIO6",
|
|
"SPI_CE1_N",
|
|
"SPI_CE0_N",
|
|
"SPI_MISO",
|
|
"SPI_MOSI",
|
|
"SPI_SCLK",
|
|
"GPIO12",
|
|
"GPIO13",
|
|
/* Serial port */
|
|
"TXD1",
|
|
"RXD1",
|
|
"GPIO16",
|
|
"GPIO17",
|
|
"GPIO18",
|
|
"GPIO19",
|
|
"GPIO20",
|
|
"GPIO21",
|
|
"GPIO22",
|
|
"GPIO23",
|
|
"GPIO24",
|
|
"GPIO25",
|
|
"GPIO26",
|
|
"GPIO27",
|
|
"HDMI_HPD_N",
|
|
"STATUS_LED_G",
|
|
/* Used by BT module */
|
|
"CTS0",
|
|
"RTS0",
|
|
"TXD0",
|
|
"RXD0",
|
|
/* Used by Wifi */
|
|
"SD1_CLK",
|
|
"SD1_CMD",
|
|
"SD1_DATA0",
|
|
"SD1_DATA1",
|
|
"SD1_DATA2",
|
|
"SD1_DATA3",
|
|
"PWM0_OUT",
|
|
"PWM1_OUT",
|
|
"ETHCLK",
|
|
"WIFI_CLK",
|
|
"SDA0",
|
|
"SCL0",
|
|
"SMPS_SCL",
|
|
"SMPS_SDA",
|
|
/* Used by SD Card */
|
|
"SD_CLK_R",
|
|
"SD_CMD_R",
|
|
"SD_DATA0_R",
|
|
"SD_DATA1_R",
|
|
"SD_DATA2_R",
|
|
"SD_DATA3_R";
|
|
};
|
|
|
|
&hdmi {
|
|
hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
|
|
};
|
|
|
|
&pwm {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
|
|
status = "okay";
|
|
};
|
|
|
|
/* SDHCI is used to control the SDIO for wireless */
|
|
&sdhci {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&emmc_gpio34>;
|
|
status = "okay";
|
|
bus-width = <4>;
|
|
non-removable;
|
|
mmc-pwrseq = <&wifi_pwrseq>;
|
|
|
|
brcmf: wifi@1 {
|
|
reg = <1>;
|
|
compatible = "brcm,bcm4329-fmac";
|
|
};
|
|
};
|
|
|
|
/* SDHOST is used to drive the SD card */
|
|
&sdhost {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&sdhost_gpio48>;
|
|
status = "okay";
|
|
bus-width = <4>;
|
|
};
|
|
|
|
/* uart0 communicates with the BT module */
|
|
&uart0 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
|
|
status = "okay";
|
|
|
|
bluetooth {
|
|
compatible = "brcm,bcm43438-bt";
|
|
max-speed = <2000000>;
|
|
shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
|
|
};
|
|
};
|
|
|
|
/* uart1 is mapped to the pin header */
|
|
&uart1 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&uart1_gpio14>;
|
|
status = "okay";
|
|
};
|