openwrt/target/linux/ramips/dts/mt7620n.dtsi
Michael Pratt a2acdf9607 ramips: mt7620: remove useless GMAC nodes
These nodes are used for configuring a GMAC interface
and for defining external PHYs to be accessed with MDIO.

None of this is possible on MT7620N, only MT7620A,
so remove them from all MT7620N DTS.

When the mdio-bus node is missing, the driver returns -NODEV
which causes the internal switch to not initialize.
Replace that return so that everything works without the DTS node.

Also, an extra kernel message to indicate for all error conditions
that mdio-bus is disabled.

Fixes: d482356322 ("ramips: mt7620n: add mdio node and disable port4 by default")
Fixes: aa5014dd1a ("ramips: mt7620n: enable port 4 as EPHY by default")
Signed-off-by: Michael Pratt <mcpratt@pm.me>
2021-06-23 14:22:18 +08:00

388 lines
6.7 KiB
Plaintext

/dts-v1/;
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "ralink,mt7620n-soc";
aliases {
spi0 = &spi0;
spi1 = &spi1;
serial0 = &uartlite;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "mips,mips24KEc";
reg = <0>;
};
};
chosen {
bootargs = "console=ttyS0,57600";
};
cpuintc: cpuintc {
#address-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
compatible = "mti,cpu-interrupt-controller";
};
palmbus: palmbus@10000000 {
compatible = "palmbus";
reg = <0x10000000 0x200000>;
ranges = <0x0 0x10000000 0x1FFFFF>;
#address-cells = <1>;
#size-cells = <1>;
sysc: sysc@0 {
compatible = "ralink,mt7620a-sysc", "ralink,rt3050-sysc", "syscon";
reg = <0x0 0x100>;
};
timer: timer@100 {
compatible = "ralink,mt7620a-timer", "ralink,rt2880-timer";
reg = <0x100 0x20>;
interrupt-parent = <&intc>;
interrupts = <1>;
};
watchdog: watchdog@120 {
compatible = "ralink,mt7620a-wdt", "ralink,rt2880-wdt";
reg = <0x120 0x10>;
resets = <&rstctrl 8>;
reset-names = "wdt";
interrupt-parent = <&intc>;
interrupts = <1>;
};
intc: intc@200 {
compatible = "ralink,mt7620a-intc", "ralink,rt2880-intc";
reg = <0x200 0x100>;
resets = <&rstctrl 19>;
reset-names = "intc";
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&cpuintc>;
interrupts = <2>;
};
memc: memc@300 {
compatible = "ralink,mt7620a-memc", "ralink,rt3050-memc";
reg = <0x300 0x100>;
resets = <&rstctrl 20>;
reset-names = "mc";
interrupt-parent = <&intc>;
interrupts = <3>;
};
gpio0: gpio@600 {
compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
reg = <0x600 0x34>;
resets = <&rstctrl 13>;
reset-names = "pio";
interrupt-parent = <&intc>;
interrupts = <6>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <24>;
ralink,gpio-base = <0>;
ralink,register-map = [ 00 04 08 0c
20 24 28 2c
30 34 ];
};
gpio1: gpio@638 {
compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
reg = <0x638 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
ralink,gpio-base = <24>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
gpio2: gpio@660 {
compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
reg = <0x660 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <32>;
ralink,gpio-base = <40>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
gpio3: gpio@688 {
compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
reg = <0x688 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <1>;
ralink,gpio-base = <72>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
i2c: i2c@900 {
compatible = "ralink,rt2880-i2c";
reg = <0x900 0x100>;
resets = <&rstctrl 16>;
reset-names = "i2c";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&i2c_pins>;
};
spi0: spi@b00 {
compatible = "ralink,mt7620a-spi", "ralink,rt2880-spi";
reg = <0xb00 0x40>;
resets = <&rstctrl 18>;
reset-names = "spi";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&spi_pins>;
};
spi1: spi@b40 {
compatible = "ralink,rt2880-spi";
reg = <0xb40 0x60>;
resets = <&rstctrl 18>;
reset-names = "spi";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&spi_cs1>;
};
uartlite: uartlite@c00 {
compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
reg = <0xc00 0x100>;
resets = <&rstctrl 19>;
reset-names = "uartl";
interrupt-parent = <&intc>;
interrupts = <12>;
reg-shift = <2>;
pinctrl-names = "default";
pinctrl-0 = <&uartlite_pins>;
};
systick: systick@d00 {
compatible = "ralink,mt7620a-systick", "ralink,cevt-systick";
reg = <0xd00 0x10>;
resets = <&rstctrl 28>;
reset-names = "intc";
interrupt-parent = <&cpuintc>;
interrupts = <7>;
};
};
pinctrl: pinctrl {
compatible = "ralink,rt2880-pinmux";
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
state_default: pinctrl0 {
};
ephy_pins: ephy {
ephy {
groups = "ephy";
function = "ephy";
};
};
spi_pins: spi_pins {
spi_pins {
groups = "spi";
function = "spi";
};
};
spi_cs1: spi1 {
spi1 {
groups = "spi refclk";
function = "spi refclk";
};
};
i2c_pins: i2c_pins {
i2c_pins {
groups = "i2c";
function = "i2c";
};
};
uartlite_pins: uartlite {
uart {
groups = "uartlite";
function = "uartlite";
};
};
};
rstctrl: rstctrl {
compatible = "ralink,mt7620a-reset", "ralink,rt2880-reset";
#reset-cells = <1>;
};
clkctrl: clkctrl {
compatible = "ralink,rt2880-clock";
#clock-cells = <1>;
};
usbphy: usbphy {
compatible = "mediatek,mt7620-usbphy";
#phy-cells = <0>;
ralink,sysctl = <&sysc>;
resets = <&rstctrl 22 &rstctrl 25>;
reset-names = "host", "device";
clocks = <&clkctrl 22 &clkctrl 25>;
clock-names = "host", "device";
};
ethernet: ethernet@10100000 {
compatible = "mediatek,mt7620-eth";
reg = <0x10100000 0x10000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <&cpuintc>;
interrupts = <5>;
resets = <&rstctrl 21 &rstctrl 23>;
reset-names = "fe", "esw";
mediatek,switch = <&gsw>;
};
gsw: gsw@10110000 {
compatible = "mediatek,mt7620-gsw";
reg = <0x10110000 0x8000>;
resets = <&rstctrl 23>;
reset-names = "esw";
interrupt-parent = <&intc>;
interrupts = <17>;
};
ehci: ehci@101c0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "generic-ehci";
reg = <0x101c0000 0x1000>;
interrupt-parent = <&intc>;
interrupts = <18>;
phys = <&usbphy>;
phy-names = "usb";
status = "disabled";
ehci_port1: port@1 {
reg = <1>;
#trigger-source-cells = <0>;
};
};
ohci: ohci@101c1000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "generic-ohci";
reg = <0x101c1000 0x1000>;
phys = <&usbphy>;
phy-names = "usb";
interrupt-parent = <&intc>;
interrupts = <18>;
status = "disabled";
ohci_port1: port@1 {
reg = <1>;
#trigger-source-cells = <0>;
};
};
wmac: wmac@10180000 {
compatible = "ralink,rt7620-wmac", "ralink,rt2880-wmac";
reg = <0x10180000 0x40000>;
interrupt-parent = <&cpuintc>;
interrupts = <6>;
ralink,eeprom = "soc_wmac.eeprom";
};
};