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linux-kernel/linux-7.2.3/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
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2026-09-06 12:53:21 -06:00

272 lines
5.6 KiB
Devicetree

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2022 Wesion, Inc. All rights reserved.
*/
/dts-v1/;
#include "amlogic-t7.dtsi"
#include <dt-bindings/gpio/amlogic,t7-periphs-pinctrl.h>
#include <dt-bindings/gpio/gpio.h>
/ {
model = "Khadas VIM4";
compatible = "khadas,vim4", "amlogic,a311d2", "amlogic,t7";
aliases {
serial0 = &uart_a;
mmc0 = &sd_emmc_c;
mmc1 = &sd_emmc_b;
mmc2 = &sd_emmc_a;
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0xE0000000
0x1 0x0 0x0 0xE0000000
0x2 0x0 0x0 0x40000000>; /* 8 GB */
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
/* 3 MiB reserved for ARM Trusted Firmware (BL31) */
secmon_reserved: secmon@5000000 {
reg = <0x0 0x05000000 0x0 0x300000>;
no-map;
};
/* 32 MiB reserved for ARM Trusted Firmware (BL32) */
secmon_reserved_bl32: secmon@5300000 {
reg = <0x0 0x05300000 0x0 0x2000000>;
no-map;
};
};
dc_in: regulator-dc-in {
compatible = "regulator-fixed";
regulator-name = "DC_IN";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
pwm-leds {
compatible = "pwm-leds";
status {
linux,default-trigger="heartbeat";
max-brightness = <255>;
pwms = <&pwm_ao_cd 0 30040 0>;
};
};
sd_3v3: regulator-sdcard-3v3 {
compatible = "regulator-fixed";
regulator-name = "SD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vddao_3v3>;
gpio = <&gpio GPIOD_11 GPIO_ACTIVE_LOW>;
regulator-boot-on;
regulator-always-on;
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
post-power-on-delay-ms = <500>;
power-off-delay-us = <200000>;
clocks = <&wifi32k>;
clock-names = "ext_clock";
};
vcc5v: regulator-vcc-5v {
compatible = "regulator-fixed";
regulator-name = "VCC5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&dc_in>;
gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vcc5v0_usb: regulator-vcc-usb {
compatible = "regulator-fixed";
regulator-name = "VCC5V0_USB";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&vcc5v>;
gpio = <&gpio GPIOY_5 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vddao_1v8: regulator-vddao-1v8 {
compatible = "regulator-fixed";
regulator-name = "VDDAO_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
vddao_3v3: regulator-vddao-3v3 {
compatible = "regulator-fixed";
regulator-name = "VDDAO_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&dc_in>;
regulator-always-on;
};
vddio_1v8: regulator-vddio-1v8 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vddio_3v3>;
regulator-always-on;
};
vddio_3v3: regulator-vddio-3v3 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
vddio_c: regulator-gpio-c {
compatible = "regulator-gpio";
regulator-name = "VDDIO_C";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vddio_3v3>;
gpios = <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>;
states = <1800000 1
3300000 0>;
};
wifi32k: wifi32k {
compatible = "pwm-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
pwms = <&pwm_ab 0 30518 0>;
};
xtal: xtal-clk {
compatible = "fixed-clock";
clock-frequency = <24000000>;
clock-output-names = "xtal";
#clock-cells = <0>;
};
};
&pwm_ab {
status = "okay";
pinctrl-0 = <&pwm_a_pins>;
pinctrl-names = "default";
};
&pwm_ao_cd {
status = "okay";
pinctrl-0 = <&pwm_ao_c_d_pins>;
pinctrl-names = "default";
};
/* SDIO */
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
bus-width = <4>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
cap-sdio-irq;
max-frequency = <200000000>;
non-removable;
disable-wp;
no-mmc;
no-sd;
power-domains = <&pwrc PWRC_T7_SDIO_A_ID>;
keep-power-in-suspend;
mmc-pwrseq = <&sdio_pwrseq>;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddao_1v8>;
brcmf: wifi@1 {
reg = <1>;
compatible = "brcm,bcm43752-fmac", "brcm,bcm4329-fmac";
};
};
/* SD card */
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
max-frequency = <200000000>;
disable-wp;
no-sdio;
no-mmc;
power-domains = <&pwrc PWRC_T7_SDIO_B_ID>;
cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
vmmc-supply = <&sd_3v3>;
vqmmc-supply = <&vddio_c>;
};
/* eMMC */
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-mmc-highspeed;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
max-frequency = <200000000>;
disable-wp;
non-removable;
no-sdio;
no-sd;
power-domains = <&pwrc PWRC_T7_EMMC_ID>;
vmmc-supply = <&vddio_3v3>;
vqmmc-supply = <&vddio_1v8>;
};
&uart_a {
status = "okay";
clocks = <&xtal>, <&xtal>, <&xtal>;
clock-names = "xtal", "pclk", "baud";
};