// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2021 MediaTek Inc.
* Authors: Frank Wunderlich <[email protected]>
* Eric Woudstra <[email protected]>
* Tianling Shen <[email protected]>
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/mt65xx.h>
#include "mt7986a.dtsi"
/ {
model = "Bananapi BPI-R3 Mini";
chassis-type = "embedded";
compatible = "bananapi,bpi-r3mini", "mediatek,mt7986a";
aliases {
serial0 = &uart0;
ethernet0 = &gmac0;
ethernet1 = &gmac1;
};
chosen {
stdout-path = "serial0:115200n8";
};
dcin: regulator-12v {
compatible = "regulator-fixed";
regulator-name = "12vd";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
regulator-boot-on;
regulator-always-on;
};
fan: pwm-fan {
compatible = "pwm-fan";
#cooling-cells = <2>;
/*
* The signal is inverted on this board and the PWM driver
* does not support polarity inversion.
*/
/* cooling level (0, 1, 2) */
cooling-levels = <255 96 0>;
pwms = <&pwm 0 10000>;
};
reg_1p8v: regulator-1v8 {
compatible = "regulator-fixed";
regulator-name = "1.8vd";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
vin-supply = <&dcin>;
};
reg_3p3v: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "3.3vd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
vin-supply = <&dcin>;
};
usb_vbus: regulator-5v {
compatible = "regulator-fixed";
regulator-name = "usb_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpios = <&pio 20 GPIO_ACTIVE_LOW>;
regulator-boot-on;
};
en8811_a: regulator-phy1 {
compatible = "regulator-fixed";
regulator-name = "phy1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&pio 16 GPIO_ACTIVE_LOW>;
regulator-always-on;
};
en8811_b: regulator-phy2 {
compatible = "regulator-fixed";
regulator-name = "phy2";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&pio 17 GPIO_ACTIVE_LOW>;
regulator-always-on;
};
leds {
compatible = "gpio-leds";
green_led: led-0 {
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_POWER;
gpios = <&pio 19 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
};
gpio-keys {
compatible = "gpio-keys";
reset-key {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&pio 7 GPIO_ACTIVE_LOW>;
};
};
};
&cpu_thermal {
cooling-maps {
map0 {
/* active: set fan to cooling level 2 */
cooling-device = <&fan 2 2>;
trip = <&cpu_trip_active_high>;
};
map1 {
/* active: set fan to cooling level 1 */
cooling-device = <&fan 1 1>;
trip = <&cpu_trip_active_med>;
};
map2 {
/* active: set fan to cooling level 0 */
cooling-device = <&fan 0 0>;
trip = <&cpu_trip_active_low>;
};
};
};
&crypto {
status = "okay";
};
ð {
status = "okay";
gmac0: mac@0 {
compatible = "mediatek,eth-mac";
reg = <0>;
phy-mode = "2500base-x";
phy-handle = <&phy0>;
};
gmac1: mac@1 {
compatible = "mediatek,eth-mac";
reg = <1>;
phy-mode = "2500base-x";
phy-handle = <&phy1>;
};
mdio: mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
};
};
&mmc0 {
pinctrl-names = "default", "state_uhs";
pinctrl-0 = <&mmc0_pins_default>;
pinctrl-1 = <&mmc0_pins_uhs>;
vmmc-supply = <®_3p3v>;
vqmmc-supply = <®_1p8v>;
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c_pins>;
status = "okay";
/* MAC Address EEPROM */
eeprom@50 {
compatible = "atmel,24c02";
reg = <0x50>;
address-width = <8>;
pagesize = <8>;
size = <256>;
};
};
&mdio {
phy0: ethernet-phy@14 {
reg = <14>;
interrupts-extended = <&pio 48 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&pio 49 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <20000>;
phy-mode = "2500base-x";
full-duplex;
pause;
airoha,pnswap-rx;
leds {
#address-cells = <1>;
#size-cells = <0>;
led@0 { /* en8811_a_gpio5 */
reg = <0>;
color = <LED_COLOR_ID_YELLOW>;
function = LED_FUNCTION_LAN;
function-enumerator = <1>;
default-state = "keep";
};
led@1 { /* en8811_a_gpio4 */
reg = <1>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
function-enumerator = <2>;
default-state = "keep";
};
};
};
phy1: ethernet-phy@15 {
reg = <15>;
interrupts-extended = <&pio 46 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&pio 47 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <20000>;
phy-mode = "2500base-x";
full-duplex;
pause;
airoha,pnswap-rx;
leds {
#address-cells = <1>;
#size-cells = <0>;
led@0 { /* en8811_b_gpio5 */
reg = <0>;
color = <LED_COLOR_ID_YELLOW>;
function = LED_FUNCTION_WAN;
function-enumerator = <1>;
default-state = "keep";
};
led@1 { /* en8811_b_gpio4 */
reg = <1>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_WAN;
function-enumerator = <2>;
default-state = "keep";
};
};
};
};
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pcie_pins>;
status = "okay";
};
&pcie_phy {
status = "okay";
};
&pio {
i2c_pins: i2c-pins {
mux {
function = "i2c";
groups = "i2c";
};
};
mmc0_pins_default: mmc0-pins {
mux {
function = "emmc";
groups = "emmc_51";
};
conf-cmd-dat {
pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
"EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
"EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
input-enable;
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
conf-clk {
pins = "EMMC_CK";
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-ds {
pins = "EMMC_DSL";
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-rst {
pins = "EMMC_RSTB";
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
};
mmc0_pins_uhs: mmc0-uhs-pins {
mux {
function = "emmc";
groups = "emmc_51";
};
conf-cmd-dat {
pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
"EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
"EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
input-enable;
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
conf-clk {
pins = "EMMC_CK";
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-ds {
pins = "EMMC_DSL";
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-rst {
pins = "EMMC_RSTB";
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
};
pcie_pins: pcie-pins {
mux {
function = "pcie";
groups = "pcie_clk", "pcie_wake", "pcie_pereset";
};
};
pwm_pins: pwm-pins {
mux {
function = "pwm";
groups = "pwm0";
};
};
spi_flash_pins: spi-flash-pins {
mux {
function = "spi";
groups = "spi0", "spi0_wp_hold";
};
};
usb_ngff_pins: usb-ngff-pins {
ngff-gnss-off-conf {
pins = "GPIO_6";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
ngff-pe-rst-conf {
pins = "GPIO_7";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
ngff-wwan-off-conf {
pins = "GPIO_8";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
ngff-pwr-off-conf {
pins = "GPIO_9";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
ngff-rst-conf {
pins = "GPIO_10";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
ngff-coex-conf {
pins = "SPI1_CS";
drive-strength = <8>;
mediatek,pull-up-adv = <1>;
};
};
wf_2g_5g_pins: wf-2g-5g-pins {
mux {
function = "wifi";
groups = "wf_2g", "wf_5g";
};
conf {
pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
"WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
"WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
"WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
"WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
"WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
"WF1_TOP_CLK", "WF1_TOP_DATA";
drive-strength = <4>;
};
};
wf_dbdc_pins: wf-dbdc-pins {
mux {
function = "wifi";
groups = "wf_dbdc";
};
conf {
pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
"WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
"WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
"WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
"WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
"WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
"WF1_TOP_CLK", "WF1_TOP_DATA";
drive-strength = <4>;
};
};
wf_led_pins: wf-led-pins {
mux {
function = "led";
groups = "wifi_led";
};
};
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm_pins>;
status = "okay";
};
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi_flash_pins>;
status = "okay";
flash@0 {
compatible = "spi-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0>;
spi-max-frequency = <20000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
};
};
&ssusb {
pinctrl-names = "default";
pinctrl-0 = <&usb_ngff_pins>;
vusb33-supply = <®_3p3v>;
vbus-supply = <&usb_vbus>;
status = "okay";
};
&trng {
status = "okay";
};
&uart0 {
status = "okay";
};
&usb_phy {
status = "okay";
};
&watchdog {
status = "okay";
};
&wifi {
status = "okay";
pinctrl-names = "default", "dbdc";
pinctrl-0 = <&wf_2g_5g_pins>, <&wf_led_pins>;
pinctrl-1 = <&wf_dbdc_pins>, <&wf_led_pins>;
led {
led-active-low;
};
};
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