2025-06-01 01:05:27 +02:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd.
* Copyright (c) 2025 retro98boy <retro98boy@qq.com>
*/
/dts-v1/;
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/pwm/pwm.h>
#include "rk3399.dtsi"
/ {
model = "SMART AM40";
compatible = "smart,am40", "rockchip,rk3399";
aliases {
ethernet0 = &gmac;
mmc0 = &sdhci;
mmc1 = &sdmmc;
rtc0 = &pt7c4563;
/*
* The rk808 circuit design on this board does not have the ability to maintain real-time time after a power outage.
* Registering rk808 as rtc99 (most kernel configurations read time from rtc0) can prevent the kernel from reading the time (2013) from rk808 during startup.
*/
rtc99 = &rk808;
};
chosen {
stdout-path = "serial2:1500000n8";
};
clkin_gmac: external-gmac-clock {
compatible = "fixed-clock";
clock-frequency = <125000000>;
clock-output-names = "clkin_gmac";
#clock-cells = <0>;
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pwr_led>;
pwr-led {
label = "pwr-led";
gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
};
gpio-keys {
compatible = "gpio-keys";
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&pwr_btn>;
pwr-btn {
debounce-interval = <100>;
gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
label = "pwr-btn";
linux,code = <KEY_POWER>;
wakeup-source;
};
};
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 1>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1800000>;
poll-interval = <100>;
button-recovery {
label = "Recovery";
linux,code = <KEY_VENDOR>;
press-threshold-microvolt = <18000>;
};
};
vcc1v8_s0: regulator-vcc1v8-s0 {
compatible = "regulator-fixed";
regulator-name = "vcc1v8_s0";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vcc_sys: regulator-vcc-sys {
compatible = "regulator-fixed";
regulator-name = "vcc_sys";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
vcc_phy: regulator-vcc-phy {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vcc_phy_en>;
regulator-name = "vcc_phy";
regulator-always-on;
regulator-boot-on;
};
vcc3v3_sys: regulator-vcc3v3-sys {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_sys";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vcc_sys>;
};
vcc5v0_host: regulator-vcc5v0-host {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vcc5v0_host_en>;
regulator-name = "vcc5v0_host";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
vcc3v3_pcie: regulator-vcc3v3-pcie {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vcc3v3_pcie_en>;
regulator-name = "vcc3v3_pcie";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
front_hdmi_5v: regulator-front-hdmi-5v {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio4 RK_PD4 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&front_hdmi_5v_en>;
regulator-name = "front_hdmi_5v";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
otg_vbus: regulator-otg-vbus {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio1 RK_PC6 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&otg_vbus_en>;
regulator-name = "otg_vbus";
regulator-always-on;
regulator-boot-on;
};
vdd_log: regulator-vdd-log {
compatible = "pwm-regulator";
pwms = <&pwm2 0 25000 1>;
pwm-supply = <&vcc_sys>;
regulator-name = "vdd_log";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1400000>;
};
virtual_pd: virtual-pd {
compatible = "linux,extcon-usbc-virtual-pd";
pinctrl-names = "default";
pinctrl-0 = <&dp_hpd>;
det-gpios = <&gpio4 RK_PD1 GPIO_ACTIVE_LOW>;
vpd-data-role = "display-port";
vpd-super-speed;
};
dp-sound {
compatible = "simple-audio-card";
simple-audio-card,format = "i2s";
simple-audio-card,mclk-fs = <256>;
simple-audio-card,name = "dp-sound";
simple-audio-card,cpu {
// sound-dai = <&i2s2>;
sound-dai = <&spdif>;
};
simple-audio-card,codec {
// sound-dai = <&cdn_dp 0>;
sound-dai = <&cdn_dp 1>;
};
};
};
&cpu_l0 {
cpu-supply = <&vdd_cpu_l>;
};
&cpu_l1 {
cpu-supply = <&vdd_cpu_l>;
};
&cpu_l2 {
cpu-supply = <&vdd_cpu_l>;
};
&cpu_l3 {
cpu-supply = <&vdd_cpu_l>;
};
&cpu_b0 {
cpu-supply = <&vdd_cpu_b>;
};
&cpu_b1 {
cpu-supply = <&vdd_cpu_b>;
};
&emmc_phy {
status = "okay";
};
&gmac {
assigned-clock-parents = <&clkin_gmac>;
assigned-clocks = <&cru SCLK_RMII_SRC>;
clock_in_out = "input";
pinctrl-names = "default";
pinctrl-0 = <&rgmii_pins>, <&phy_rst_l>;
phy-handle = <&rtl8211f>;
phy-mode = "rgmii";
phy-supply = <&vcc_phy>;
tx_delay = <0x28>;
rx_delay = <0x11>;
status = "okay";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
rtl8211f: ethernet-phy@0 {
reg = <0>;
reset-assert-us = <10000>;
reset-deassert-us = <30000>;
reset-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
};
};
};
&gpu {
mali-supply = <&vdd_gpu>;
status = "okay";
};
&hdmi {
avdd-0v9-supply = <&vcca0v9_hdmi>;
avdd-1v8-supply = <&vcca1v8_hdmi>;
ddc-i2c-bus = <&i2c3>;
pinctrl-names = "default";
pinctrl-0 = <&hdmi_cec>;
status = "disabled";
};
&hdmi_sound {
status = "disabled";
};
&i2c0 {
clock-frequency = <400000>;
i2c-scl-rising-time-ns = <168>;
i2c-scl-falling-time-ns = <4>;
status = "okay";
rk808: pmic@1b {
compatible = "rockchip,rk808";
reg = <0x1b>;
interrupt-parent = <&gpio1>;
interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
#clock-cells = <1>;
clock-output-names = "xin32k", "rk808-clkout2";
pinctrl-names = "default";
pinctrl-0 = <&pmic_int_l>;
system-power-controller;
wakeup-source;
vcc1-supply = <&vcc_sys>;
vcc2-supply = <&vcc_sys>;
vcc3-supply = <&vcc_sys>;
vcc4-supply = <&vcc_sys>;
vcc6-supply = <&vcc_sys>;
vcc7-supply = <&vcc_sys>;
vcc8-supply = <&vcc3v3_sys>;
vcc9-supply = <&vcc_sys>;
vcc10-supply = <&vcc_sys>;
vcc11-supply = <&vcc_sys>;
vcc12-supply = <&vcc3v3_sys>;
vddio-supply = <&vcc_1v8>;
regulators {
vdd_center: DCDC_REG1 {
regulator-name = "vdd_center";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vdd_cpu_l: DCDC_REG2 {
regulator-name = "vdd_cpu_l";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc_ddr: DCDC_REG3 {
regulator-name = "vcc_ddr";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
vcc_1v8: DCDC_REG4 {
regulator-name = "vcc_1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
vcc1v8_dvp: LDO_REG1 {
regulator-name = "vcc1v8_dvp";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcca1v8_hdmi: LDO_REG2 {
regulator-name = "vcca1v8_hdmi";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcca1v8: LDO_REG3 {
regulator-name = "vcca1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
vcc_sd: LDO_REG4 {
regulator-name = "vcc_sd";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc3v0_sd: LDO_REG5 {
regulator-name = "vcc3v0_sd";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc_1v5: LDO_REG6 {
regulator-name = "vcc_1v5";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcca0v9_hdmi: LDO_REG7 {
regulator-name = "vcca0v9_hdmi";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc_3v0: LDO_REG8 {
regulator-name = "vcc_3v0";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc3v3_s3: SWITCH_REG1 {
regulator-name = "vcc3v3_s3";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
vcc3v3_s0: SWITCH_REG2 {
regulator-name = "vcc3v3_s0";
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
vdd_cpu_b: regulator@40 {
compatible = "silergy,syr827";
reg = <0x40>;
fcs,suspend-voltage-selector = <1>;
pinctrl-names = "default";
pinctrl-0 = <&vsel1_pin>;
regulator-name = "vdd_cpu_b";
regulator-min-microvolt = <712500>;
regulator-max-microvolt = <1500000>;
regulator-ramp-delay = <1000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc_sys>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vdd_gpu: regulator@41 {
compatible = "silergy,syr828";
reg = <0x41>;
fcs,suspend-voltage-selector = <1>;
pinctrl-names = "default";
pinctrl-0 = <&vsel2_pin>;
regulator-name = "vdd_gpu";
regulator-min-microvolt = <712500>;
regulator-max-microvolt = <1500000>;
regulator-ramp-delay = <1000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc_sys>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
&i2c4 {
status = "okay";
i2c-scl-rising-time-ns = <300>;
i2c-scl-falling-time-ns = <300>;
pt7c4563: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
clock-output-names = "rtc_xin32k";
wakeup-source;
interrupt-parent = <&gpio0>;
interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
pinctrl-0 = <&rtc_int>;
pinctrl-names = "default";
};
};
&i2s2 {
status = "okay";
};
&io_domains {
bt656-supply = <&vcc1v8_s0>;
audio-supply = <&vcc1v8_s0>;
sdmmc-supply = <&vcc_sd>;
gpio1830-supply = <&vcc_3v0>;
status = "okay";
};
&pcie0 {
ep-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
num-lanes = <4>;
pinctrl-0 = <&pcie_clkreqn>;
pinctrl-names = "default";
vpcie3v3-supply = <&vcc3v3_pcie>;
status = "okay";
};
&pcie_phy {
status = "okay";
};
&pinctrl {
buttons {
pwr_btn: pwr-btn {
rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
display {
dp_hpd: dp-hpd {
rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_input_pull_up>;
};
front_hdmi_5v_en: front-hdmi-5v-en {
rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
gmac {
phy_rst_l: phy-rst-l {
rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
};
vcc_phy_en: vcc-phy-en {
rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
leds {
pwr_led: pwr-led {
rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
pcie {
pcie_clkreqn: pci-clkreqn {
rockchip,pins = <2 RK_PD2 2 &pcfg_pull_none>;
};
vcc3v3_pcie_en: vcc3v3-pcie-en {
rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
pmic {
pmic_int_l: pmic-int-l {
rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
};
vsel1_pin: vsel1-pin {
rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
};
vsel2_pin: vsel2-pin {
rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
};
};
rtc {
rtc_int: rtc-int {
rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
usb2 {
vcc5v0_host_en: vcc5v0-hots-en {
rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
};
otg_vbus_en: otg-vbus-en {
rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
&pmu_io_domains {
pmu1830-supply = <&vcc_1v8>;
status = "okay";
};
&pwm2 {
status = "okay";
};
&saradc {
vref-supply = <&vcca1v8>;
status = "okay";
};
&sdhci {
max-frequency = <150000000>;
bus-width = <8>;
mmc-hs400-1_8v;
mmc-hs400-enhanced-strobe;
non-removable;
status = "okay";
};
&spdif {
status = "okay";
};
&sdmmc {
bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
disable-wp;
max-frequency = <150000000>;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cd &sdmmc_cmd &sdmmc_bus4>;
vqmmc-supply = <&vcc_sd>;
sd-uhs-sdr104;
status = "okay";
};
&cdn_dp {
phys = <&tcphy0_dp>;
extcon = <&virtual_pd>;
status = "okay";
};
&tcphy0 {
extcon = <&virtual_pd>;
status = "okay";
};
&tcphy1 {
status = "okay";
};
&tsadc {
/* tshut mode 0:CRU 1:GPIO */
rockchip,hw-tshut-mode = <1>;
/* tshut polarity 0:LOW 1:HIGH */
rockchip,hw-tshut-polarity = <1>;
status = "okay";
};
&u2phy0 {
status = "okay";
u2phy0_host: host-port {
phy-supply = <&vcc5v0_host>;
status = "okay";
};
};
&u2phy1 {
status = "okay";
u2phy1_host: host-port {
phy-supply = <&vcc5v0_host>;
status = "okay";
};
};
&uart0 {
status = "okay";
};
&uart2 {
status = "okay";
};
&uart4 {
status = "okay";
};
&usb_host0_ehci {
status = "okay";
};
&usb_host0_ohci {
status = "okay";
};
&usb_host1_ehci {
status = "okay";
};
&usb_host1_ohci {
status = "okay";
};
&usbdrd3_0 {
status = "okay";
};
&usbdrd_dwc3_0 {
dr_mode = "host";
status = "okay";
};
&usbdrd3_1 {
status = "okay";
};
&usbdrd_dwc3_1 {
dr_mode = "host";
status = "okay";
};
&vopb {
status = "okay";
};
&vopb_mmu {
status = "okay";
};
&vopl {
status = "okay";
};
&vopl_mmu {
status = "okay";
};
&vopl_out_dp {
status = "disabled";
};
&dp_in_vopl {
status = "disabled";
};
&vopb_out_hdmi {
status = "disabled";
};
&hdmi_in_vopb {
status = "disabled";
};