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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2021 Amlogic, Inc. All rights reserved.
*/
/dts-v1/;
#include "meson-s4.dtsi"
/ {
model = "Amlogic Meson S4 AQ222 Development Board";
compatible = "amlogic,aq222", "amlogic,s4";
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
aliases {
serial0 = &uart_b;
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x40000000>;
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
/* 52 MiB reserved for ARM Trusted Firmware */
secmon_reserved: secmon@5000000 {
reg = <0x0 0x05000000 0x0 0x3400000>;
no-map;
};
};
sdio_32k: sdio-32k {
compatible = "pwm-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
clocks = <&sdio_32k>;
clock-names = "ext_clock";
};
main_12v: regulator-main-12v {
compatible = "regulator-fixed";
regulator-name = "12V";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
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 = <&main_12v>;
regulator-always-on;
};
vddio_ao1v8: regulator-vddio-ao1v8 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_AO1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
/* SY8120B1ABC DC/DC Regulator. */
vddcpu: regulator-vddcpu {
compatible = "pwm-regulator";
regulator-name = "VDDCPU";
regulator-min-microvolt = <689000>;
regulator-max-microvolt = <1049000>;
vin-supply = <&main_12v>;
pwms = <&pwm_ij 1 1500 0>;
pwm-dutycycle-range = <100 0>;
regulator-boot-on;
regulator-always-on;
/* Voltage Duty-Cycle */
voltage-table = <1049000 0>,
<1039000 3>,
<1029000 6>,
<1019000 9>,
<1009000 12>,
<999000 14>,
<989000 17>,
<979000 20>,
<969000 23>,
<959000 26>,
<949000 29>,
<939000 31>,
<929000 34>,
<919000 37>,
<909000 40>,
<899000 43>,
<889000 45>,
<879000 48>,
<869000 51>,
<859000 54>,
<849000 56>,
<839000 59>,
<829000 62>,
<819000 65>,
<809000 68>,
<799000 70>,
<789000 73>,
<779000 76>,
<769000 79>,
<759000 81>,
<749000 84>,
<739000 87>,
<729000 89>,
<719000 92>,
<709000 95>,
<699000 98>,
<689000 100>;
};
};
&pwm_ef {
status = "okay";
pinctrl-0 = <&pwm_e_pins1>;
pinctrl-names = "default";
};
&pwm_ij {
status = "okay";
};
&uart_b {
status = "okay";
};
&ir {
status = "okay";
pinctrl-0 = <&remote_pins>;
pinctrl-names = "default";
};
&sdio {
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-sdr50;
sd-uhs-sdr104;
max-frequency = <200000000>;
non-removable;
disable-wp;
no-sd;
no-mmc;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_ao1v8>;
};
&sd {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
max-frequency = <200000000>;
disable-wp;
cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddao_3v3>;
};
&nand {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&nand_pins>;
pinctrl-names = "default";
nand@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
nand-on-flash-bbt;
partition@0 {
label = "boot";
reg = <0x0 0x00200000>;
};
partition@200000 {
label = "env";
reg = <0x00200000 0x00400000>;
};
partition@600000 {
label = "system";
reg = <0x00600000 0x00a00000>;
};
partition@1000000 {
label = "rootfs";
reg = <0x01000000 0x03000000>;
};
partition@4000000 {
label = "media";
reg = <0x04000000 0x8000000>;
};
};
};
&spicc0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spicc0_pins_x>;
cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
};
ðmac {
status = "okay";
phy-handle = <&internal_ephy>;
phy-mode = "rmii";
};
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