linux-zen-server/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts

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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/* Copyright (c) 2020-2022 Microchip Technology Inc */
/dts-v1/;
#include "mpfs.dtsi"
#include "mpfs-polarberry-fabric.dtsi"
/* Clock frequency (in Hz) of the rtcclk */
#define MTIMER_FREQ 1000000
/ {
model = "Sundance PolarBerry";
compatible = "sundance,polarberry", "microchip,mpfs";
aliases {
ethernet0 = &mac1;
serial0 = &mmuart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
cpus {
timebase-frequency = <MTIMER_FREQ>;
};
ddrc_cache_lo: memory@80000000 {
device_type = "memory";
reg = <0x0 0x80000000 0x0 0x2e000000>;
};
ddrc_cache_hi: memory@1000000000 {
device_type = "memory";
reg = <0x10 0x00000000 0x0 0xC0000000>;
};
};
/*
* phy0 is connected to mac0, but the port itself is on the (optional) carrier
* board.
*/
&mac0 {
phy-mode = "sgmii";
phy-handle = <&phy0>;
status = "disabled";
};
&mac1 {
phy-mode = "sgmii";
phy-handle = <&phy1>;
status = "okay";
phy1: ethernet-phy@5 {
reg = <5>;
};
phy0: ethernet-phy@4 {
reg = <4>;
};
};
&mbox {
status = "okay";
};
&mmc {
bus-width = <4>;
disable-wp;
cap-sd-highspeed;
cap-mmc-highspeed;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
};
&mmuart0 {
status = "okay";
};
&refclk {
clock-frequency = <125000000>;
};
&rtc {
status = "okay";
};
&syscontroller {
status = "okay";
};