mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
8bc8824d30
This adds the 4 PWM controlled green LEDs to the HiFive Unleashed device tree. The schematic doesn't specify any special function for the LEDs, so they're added here without any default triggers and named d1, d2, d3 and d4 just like in the schematic. Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Tested-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20221012110928.352910-1-emil.renner.berthing@canonical.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
141 lines
2.4 KiB
Text
141 lines
2.4 KiB
Text
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
|
|
/* Copyright (c) 2018-2019 SiFive, Inc */
|
|
|
|
#include "fu540-c000.dtsi"
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
#include <dt-bindings/leds/common.h>
|
|
#include <dt-bindings/pwm/pwm.h>
|
|
|
|
/* Clock frequency (in Hz) of the PCB crystal for rtcclk */
|
|
#define RTCCLK_FREQ 1000000
|
|
|
|
/ {
|
|
model = "SiFive HiFive Unleashed A00";
|
|
compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000",
|
|
"sifive,fu540";
|
|
|
|
chosen {
|
|
stdout-path = "serial0";
|
|
};
|
|
|
|
cpus {
|
|
timebase-frequency = <RTCCLK_FREQ>;
|
|
};
|
|
|
|
memory@80000000 {
|
|
device_type = "memory";
|
|
reg = <0x0 0x80000000 0x2 0x00000000>;
|
|
};
|
|
|
|
hfclk: hfclk {
|
|
#clock-cells = <0>;
|
|
compatible = "fixed-clock";
|
|
clock-frequency = <33333333>;
|
|
clock-output-names = "hfclk";
|
|
};
|
|
|
|
rtcclk: rtcclk {
|
|
#clock-cells = <0>;
|
|
compatible = "fixed-clock";
|
|
clock-frequency = <RTCCLK_FREQ>;
|
|
clock-output-names = "rtcclk";
|
|
};
|
|
gpio-restart {
|
|
compatible = "gpio-restart";
|
|
gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
|
|
};
|
|
|
|
led-controller {
|
|
compatible = "pwm-leds";
|
|
|
|
led-d1 {
|
|
pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
|
|
active-low;
|
|
color = <LED_COLOR_ID_GREEN>;
|
|
max-brightness = <255>;
|
|
label = "d1";
|
|
};
|
|
|
|
led-d2 {
|
|
pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>;
|
|
active-low;
|
|
color = <LED_COLOR_ID_GREEN>;
|
|
max-brightness = <255>;
|
|
label = "d2";
|
|
};
|
|
|
|
led-d3 {
|
|
pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>;
|
|
active-low;
|
|
color = <LED_COLOR_ID_GREEN>;
|
|
max-brightness = <255>;
|
|
label = "d3";
|
|
};
|
|
|
|
led-d4 {
|
|
pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>;
|
|
active-low;
|
|
color = <LED_COLOR_ID_GREEN>;
|
|
max-brightness = <255>;
|
|
label = "d4";
|
|
};
|
|
};
|
|
};
|
|
|
|
&uart0 {
|
|
status = "okay";
|
|
};
|
|
|
|
&uart1 {
|
|
status = "okay";
|
|
};
|
|
|
|
&i2c0 {
|
|
status = "okay";
|
|
};
|
|
|
|
&qspi0 {
|
|
status = "okay";
|
|
flash@0 {
|
|
compatible = "jedec,spi-nor";
|
|
reg = <0>;
|
|
spi-max-frequency = <50000000>;
|
|
m25p,fast-read;
|
|
spi-tx-bus-width = <4>;
|
|
spi-rx-bus-width = <4>;
|
|
};
|
|
};
|
|
|
|
&qspi2 {
|
|
status = "okay";
|
|
mmc@0 {
|
|
compatible = "mmc-spi-slot";
|
|
reg = <0>;
|
|
spi-max-frequency = <20000000>;
|
|
voltage-ranges = <3300 3300>;
|
|
disable-wp;
|
|
gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
|
|
};
|
|
};
|
|
|
|
ð0 {
|
|
status = "okay";
|
|
phy-mode = "gmii";
|
|
phy-handle = <&phy0>;
|
|
phy0: ethernet-phy@0 {
|
|
compatible = "ethernet-phy-id0007.0771";
|
|
reg = <0>;
|
|
};
|
|
};
|
|
|
|
&pwm0 {
|
|
status = "okay";
|
|
};
|
|
|
|
&pwm1 {
|
|
status = "okay";
|
|
};
|
|
|
|
&gpio {
|
|
status = "okay";
|
|
};
|