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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2022 MediaTek Inc.
* Author: Sam Shih <sam.shih@mediatek.com>
*/
/dts-v1/;
#include "mt7981.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
#address-cells = <1>;
#size-cells = <1>;
model = "mt7981-rfb";
compatible = "mediatek,mt7981", "mediatek,mt7981-rfb";
chosen {
stdout-path = &uart0;
tick-timer = &timer0;
};
memory@40000000 {
device_type = "memory";
reg = <0x40000000 0x10000000>;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
};
&uart0 {
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "disabled";
};
ð {
status = "okay";
mediatek,gmac-id = <0>;
phy-mode = "sgmii";
mediatek,switch = "mt7531";
reset-gpios = <&gpio 39 GPIO_ACTIVE_HIGH>;
fixed-link {
speed = <1000>;
full-duplex;
};
};
&pinctrl {
spic_pins: spi1-pins-func-1 {
mux {
function = "spi";
groups = "spi1_1";
};
};
uart1_pins: spi1-pins-func-3 {
mux {
function = "uart";
groups = "uart1_2";
};
};
/* pin15 as pwm0 */
one_pwm_pins: one-pwm-pins {
mux {
function = "pwm";
groups = "pwm0_1";
};
};
/* pin15 as pwm0 and pin14 as pwm1 */
two_pwm_pins: two-pwm-pins {
mux {
function = "pwm";
groups = "pwm0_1", "pwm1_0";
};
};
/* pin15 as pwm0, pin14 as pwm1, pin7 as pwm2 */
three_pwm_pins: three-pwm-pins {
mux {
function = "pwm";
groups = "pwm0_1", "pwm1_0", "pwm2";
};
};
mmc0_pins_default: mmc0default {
mux {
function = "flash";
groups = "emmc_45";
};
conf-cmd-dat {
pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO",
"SPI0_CS", "SPI0_HOLD", "SPI0_WP",
"SPI1_CLK", "SPI1_MOSI", "SPI1_MISO";
input-enable;
drive-strength = <MTK_DRIVE_4mA>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
conf-clk {
pins = "SPI1_CS";
drive-strength = <MTK_DRIVE_6mA>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
conf-rst {
pins = "PWM0";
drive-strength = <MTK_DRIVE_4mA>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
};
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&two_pwm_pins>;
status = "okay";
};
&watchdog {
status = "disabled";
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_default>;
bus-width = <8>;
max-frequency = <52000000>;
cap-mmc-highspeed;
cap-mmc-hw-reset;
vmmc-supply = <®_3p3v>;
non-removable;
status = "okay";
};
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