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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2021 BayLibre SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
#include "meson-sm1.dtsi"
#include <dt-bindings/leds/common.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/gpio/meson-g12a-gpio.h>
/ {
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 2>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1800000>;
button-sw3 {
label = "SW3";
linux,code = <BTN_3>;
press-threshold-microvolt = <1700000>;
};
};
aliases {
serial0 = &uart_AO;
ethernet0 = &ethmac;
};
chosen {
stdout-path = "serial0:115200n8";
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
};
gpio-keys {
compatible = "gpio-keys";
key {
label = "SW1";
linux,code = <BTN_1>;
gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
interrupt-parent = <&gpio_intc>;
interrupts = <IRQID_GPIOAO_3 IRQ_TYPE_EDGE_BOTH>;
};
};
hdmi-connector {
compatible = "hdmi-connector";
type = "a";
port {
hdmi_connector_in: endpoint {
remote-endpoint = <&hdmi_tx_tmds_out>;
};
};
};
leds {
compatible = "gpio-leds";
led-green {
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_STATUS;
gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
};
led-blue {
color = <LED_COLOR_ID_BLUE>;
function = LED_FUNCTION_STATUS;
gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x40000000>;
};
emmc_1v8: regulator-emmc_1v8 {
compatible = "regulator-fixed";
regulator-name = "EMMC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
dc_in: regulator-dc_in {
compatible = "regulator-fixed";
regulator-name = "DC_IN";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
vddio_c: regulator-vddio_c {
compatible = "regulator-gpio";
regulator-name = "VDDIO_C";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
enable-gpios = <&gpio_ao GPIOE_2 GPIO_OPEN_DRAIN>;
enable-active-high;
regulator-always-on;
gpios = <&gpio_ao GPIOAO_6 GPIO_OPEN_DRAIN>;
gpios-states = <1>;
states = <1800000 0>,
<3300000 1>;
};
tflash_vdd: regulator-tflash_vdd {
compatible = "regulator-fixed";
regulator-name = "TFLASH_VDD";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&dc_in>;
gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
enable-active-high;
regulator-always-on;
};
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;
};
vddcpu: regulator-vddcpu {
/*
* SY8120B1ABC DC/DC Regulator.
*/
compatible = "pwm-regulator";
regulator-name = "VDDCPU";
regulator-min-microvolt = <690000>;
regulator-max-microvolt = <1050000>;
pwm-supply = <&dc_in>;
pwms = <&pwm_AO_cd 1 1250 0>;
pwm-dutycycle-range = <100 0>;
regulator-boot-on;
regulator-always-on;
};
/* USB Hub Power Enable */
vl_pwr_en: regulator-vl_pwr_en {
compatible = "regulator-fixed";
regulator-name = "VL_PWR_EN";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&dc_in>;
gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
&arb {
status = "okay";
};
&cpu0 {
cpu-supply = <&vddcpu>;
operating-points-v2 = <&cpu_opp_table>;
clocks = <&clkc CLKID_CPU_CLK>;
clock-latency = <50000>;
};
&cpu1 {
cpu-supply = <&vddcpu>;
operating-points-v2 = <&cpu_opp_table>;
clocks = <&clkc CLKID_CPU1_CLK>;
clock-latency = <50000>;
};
&cpu2 {
cpu-supply = <&vddcpu>;
operating-points-v2 = <&cpu_opp_table>;
clocks = <&clkc CLKID_CPU2_CLK>;
clock-latency = <50000>;
};
&cpu3 {
cpu-supply = <&vddcpu>;
operating-points-v2 = <&cpu_opp_table>;
clocks = <&clkc CLKID_CPU3_CLK>;
clock-latency = <50000>;
};
&ext_mdio {
external_phy: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
reg = <0>;
max-speed = <1000>;
interrupt-parent = <&gpio_intc>;
/* MAC_INTR on GPIOZ_14 */
interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
};
};
&ethmac {
pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
pinctrl-names = "default";
status = "okay";
phy-mode = "rgmii-txid";
phy-handle = <&external_phy>;
};
&gpio {
gpio-line-names =
/* GPIOZ */
"ETH_MDIO", /* GPIOZ_0 */
"ETH_MDC", /* GPIOZ_1 */
"ETH_RXCLK", /* GPIOZ_2 */
"ETH_RX_DV", /* GPIOZ_3 */
"ETH_RXD0", /* GPIOZ_4 */
"ETH_RXD1", /* GPIOZ_5 */
"ETH_RXD2", /* GPIOZ_6 */
"ETH_RXD3", /* GPIOZ_7 */
"ETH_TXCLK", /* GPIOZ_8 */
"ETH_TXEN", /* GPIOZ_9 */
"ETH_TXD0", /* GPIOZ_10 */
"ETH_TXD1", /* GPIOZ_11 */
"ETH_TXD2", /* GPIOZ_12 */
"ETH_TXD3", /* GPIOZ_13 */
"ETH_INTR", /* GPIOZ_14 */
"ETH_NRST", /* GPIOZ_15 */
/* GPIOH */
"HDMI_SDA", /* GPIOH_0 */
"HDMI_SCL", /* GPIOH_1 */
"HDMI_HPD", /* GPIOH_2 */
"HDMI_CEC", /* GPIOH_3 */
"VL-RST_N", /* GPIOH_4 */
"CON1-P36", /* GPIOH_5 */
"VL-PWREN", /* GPIOH_6 */
"WiFi_3V3_1V8", /* GPIOH_7 */
"TFLASH_VDD_EN", /* GPIOH_8 */
/* BOOT */
"eMMC_D0", /* BOOT_0 */
"eMMC_D1", /* BOOT_1 */
"eMMC_D2", /* BOOT_2 */
"eMMC_D3", /* BOOT_3 */
"eMMC_D4", /* BOOT_4 */
"eMMC_D5", /* BOOT_5 */
"eMMC_D6", /* BOOT_6 */
"eMMC_D7", /* BOOT_7 */
"eMMC_CLK", /* BOOT_8 */
"",
"eMMC_CMD", /* BOOT_10 */
"",
"eMMC_RST#", /* BOOT_12 */
"eMMC_DS", /* BOOT_13 */
"", "",
/* GPIOC */
"SD_D0_B", /* GPIOC_0 */
"SD_D1_B", /* GPIOC_1 */
"SD_D2_B", /* GPIOC_2 */
"SD_D3_B", /* GPIOC_3 */
"SD_CLK_B", /* GPIOC_4 */
"SD_CMD_B", /* GPIOC_5 */
"CARD_EN_DET", /* GPIOC_6 */
"",
/* GPIOA */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "",
"CON1-P27", /* GPIOA_14 */
"CON1-P28", /* GPIOA_15 */
/* GPIOX */
"CON1-P16", /* GPIOX_0 */
"CON1-P18", /* GPIOX_1 */
"CON1-P22", /* GPIOX_2 */
"CON1-P11", /* GPIOX_3 */
"CON1-P13", /* GPIOX_4 */
"CON1-P07", /* GPIOX_5 */
"CON1-P33", /* GPIOX_6 */
"CON1-P15", /* GPIOX_7 */
"CON1-P19", /* GPIOX_8 */
"CON1-P21", /* GPIOX_9 */
"CON1-P24", /* GPIOX_10 */
"CON1-P23", /* GPIOX_11 */
"CON1-P08", /* GPIOX_12 */
"CON1-P10", /* GPIOX_13 */
"CON1-P29", /* GPIOX_14 */
"CON1-P31", /* GPIOX_15 */
"CON1-P26", /* GPIOX_16 */
"CON1-P03", /* GPIOX_17 */
"CON1-P05", /* GPIOX_18 */
"CON1-P32"; /* GPIOX_19 */
/*
* WARNING: The USB Hub needs a reset signal to be turned high in
* order to be detected by the USB Controller. This signal should
* be handled by a USB specific power sequence to reset the Hub
* when the USB bus is powered down.
*/
usb-hub-hog {
gpio-hog;
gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "usb-hub-reset";
};
};
&gpio_ao {
gpio-line-names =
/* GPIOAO */
"DEBUG TX", /* GPIOAO_0 */
"DEBUG RX", /* GPIOAO_1 */
"SYS_LED2", /* GPIOAO_2 */
"UPDATE_KEY", /* GPIOAO_3 */
"CON1-P40", /* GPIOAO_4 */
"IR_IN", /* GPIOAO_5 */
"TF_3V3N_1V8_EN", /* GPIOAO_6 */
"CON1-P35", /* GPIOAO_7 */
"CON1-P12", /* GPIOAO_8 */
"CON1-P37", /* GPIOAO_9 */
"CON1-P38", /* GPIOAO_10 */
"SYS_LED", /* GPIOAO_11 */
/* GPIOE */
"VDDEE_PWM", /* GPIOE_0 */
"VDDCPU_PWM", /* GPIOE_1 */
"TF_PWR_EN"; /* GPIOE_2 */
};
&hdmi_tx {
status = "okay";
pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
pinctrl-names = "default";
hdmi-supply = <&dc_in>;
};
&hdmi_tx_tmds_port {
hdmi_tx_tmds_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
&ir {
status = "okay";
pinctrl-0 = <&remote_input_ao_pins>;
pinctrl-names = "default";
};
&pwm_AO_cd {
pinctrl-0 = <&pwm_ao_d_e_pins>;
pinctrl-names = "default";
clocks = <&xtal>;
clock-names = "clkin1";
status = "okay";
};
&saradc {
status = "okay";
vref-supply = <&vddao_1v8>;
};
/* SD card */
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_c_pins>;
pinctrl-1 = <&sdcard_clk_gate_c_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
max-frequency = <50000000>;
disable-wp;
/* TOFIX: SD card is barely usable in SDR modes */
cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
vmmc-supply = <&tflash_vdd>;
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;
mmc-pwrseq = <&emmc_pwrseq>;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&emmc_1v8>;
};
&uart_AO {
status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
};
&usb {
status = "okay";
};
&usb2_phy0 {
phy-supply = <&dc_in>;
};
&usb2_phy1 {
/* Enable the hub which is connected to this port */
phy-supply = <&vl_pwr_en>;
};