forked from torvalds/linux
/
revpi-core-overlay.dts
173 lines (156 loc) · 3.45 KB
/
revpi-core-overlay.dts
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/*
* Device tree overlay for Revolution Pi by KUNBUS
*
* RevPi Core
* RevPi Core 3
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/bcm2835.h>
/{
compatible = "brcm,bcm2835", "brcm,bcm2837";
fragment@0 {
target-path = "/";
__overlay__ {
compatible = "brcm,bcm2837", "brcm,bcm2836",
"brcm,bcm2835", "kunbus,revpi-core";
leds {
compatible = "gpio-leds";
power_red {
gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "power_red";
};
a1_green {
gpios = <&gpio 30 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "a1_green";
};
a1_red {
gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "a1_red";
};
a2_green {
gpios = <&gpio 32 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "a2_green";
};
a2_red {
gpios = <&gpio 33 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "a2_red";
};
act {
status = "disabled";
};
};
};
};
fragment@1 {
target = <&gpio>;
__overlay__ {
spi0_pins {
/* miso mosi clock */
brcm,pins = <37 38 39>;
brcm,function = <BCM2835_FSEL_ALT0>;
brcm,pull = <BCM2835_PUD_OFF>;
};
spi0_cs_pins {
brcm,pins = <36 35>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
brcm,pull = <BCM2835_PUD_OFF>;
};
eth1_2_reset_pins {
/* resets both chips */
brcm,pins = <40>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
brcm,pull = <BCM2835_PUD_OFF>;
};
i2c1 {
/* sda scl */
brcm,pins = <44 45>;
brcm,function = <BCM2835_FSEL_ALT2>;
brcm,pull = <BCM2835_PUD_OFF>;
};
};
};
fragment@2 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
rtc@51 {
compatible = "nxp,pcf2129";
reg = <0x51>;
status = "okay";
};
crypto@60 {
compatible = "atmel,atecc508a";
reg = <0x60>;
status = "okay";
};
};
};
fragment@3 {
target = <&spidev0>;
__overlay__ {
status = "disabled";
};
};
fragment@4 {
target = <&spidev1>;
__overlay__ {
status = "disabled";
};
};
fragment@5 {
target = <&spi0>;
__overlay__ {
cs-gpios = <&gpio 36 GPIO_ACTIVE_LOW>,
<&gpio 35 GPIO_ACTIVE_LOW>;
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
pileft: ethernet@0 {
/* PiBridge Ethernet left */
compatible = "micrel,ks8851";
reg = <0>;
spi-max-frequency = <20000000>; /* <= 40 MHz */
interrupts = <0x80000000>; /* not connected */
status = "okay";
};
piright: ethernet@1 {
/* PiBridge Ethernet right */
compatible = "micrel,ks8851";
reg = <1>;
spi-max-frequency = <20000000>; /* <= 40 MHz */
interrupts = <0x80000000>; /* not connected */
reset-gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
status = "okay";
};
};
};
fragment@6 {
target = <&usb>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
hub@1 {
compatible = "usb424,9514"; /* SMSC LAN9514 */
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
eth0: ethernet@1 {
compatible = "usb424,ec00";
reg = <1>;
};
};
};
};
__overrides__ {
eth0_mac_hi = <ð0>,"local-mac-address:0";
eth0_mac_lo = <ð0>,"local-mac-address;4";
pileft_mac_hi = <&pileft>,"local-mac-address:0";
pileft_mac_lo = <&pileft>,"local-mac-address;4";
piright_mac_hi = <&piright>,"local-mac-address:0";
piright_mac_lo = <&piright>,"local-mac-address;4";
};
};