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a2acdf9607
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>
388 lines
6.7 KiB
Plaintext
388 lines
6.7 KiB
Plaintext
/dts-v1/;
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "ralink,mt7620n-soc";
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aliases {
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spi0 = &spi0;
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spi1 = &spi1;
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serial0 = &uartlite;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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compatible = "mips,mips24KEc";
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reg = <0>;
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};
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};
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chosen {
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bootargs = "console=ttyS0,57600";
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};
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cpuintc: cpuintc {
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#address-cells = <0>;
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#interrupt-cells = <1>;
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interrupt-controller;
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compatible = "mti,cpu-interrupt-controller";
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};
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palmbus: palmbus@10000000 {
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compatible = "palmbus";
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reg = <0x10000000 0x200000>;
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ranges = <0x0 0x10000000 0x1FFFFF>;
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#address-cells = <1>;
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#size-cells = <1>;
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sysc: sysc@0 {
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compatible = "ralink,mt7620a-sysc", "ralink,rt3050-sysc", "syscon";
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reg = <0x0 0x100>;
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};
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timer: timer@100 {
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compatible = "ralink,mt7620a-timer", "ralink,rt2880-timer";
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reg = <0x100 0x20>;
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interrupt-parent = <&intc>;
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interrupts = <1>;
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};
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watchdog: watchdog@120 {
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compatible = "ralink,mt7620a-wdt", "ralink,rt2880-wdt";
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reg = <0x120 0x10>;
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resets = <&rstctrl 8>;
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reset-names = "wdt";
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interrupt-parent = <&intc>;
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interrupts = <1>;
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};
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intc: intc@200 {
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compatible = "ralink,mt7620a-intc", "ralink,rt2880-intc";
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reg = <0x200 0x100>;
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resets = <&rstctrl 19>;
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reset-names = "intc";
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&cpuintc>;
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interrupts = <2>;
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};
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memc: memc@300 {
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compatible = "ralink,mt7620a-memc", "ralink,rt3050-memc";
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reg = <0x300 0x100>;
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resets = <&rstctrl 20>;
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reset-names = "mc";
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interrupt-parent = <&intc>;
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interrupts = <3>;
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};
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gpio0: gpio@600 {
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compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
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reg = <0x600 0x34>;
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resets = <&rstctrl 13>;
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reset-names = "pio";
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interrupt-parent = <&intc>;
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interrupts = <6>;
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gpio-controller;
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#gpio-cells = <2>;
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ngpios = <24>;
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ralink,gpio-base = <0>;
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ralink,register-map = [ 00 04 08 0c
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20 24 28 2c
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30 34 ];
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};
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gpio1: gpio@638 {
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compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
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reg = <0x638 0x24>;
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interrupt-parent = <&intc>;
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interrupts = <6>;
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gpio-controller;
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#gpio-cells = <2>;
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ngpios = <16>;
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ralink,gpio-base = <24>;
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ralink,register-map = [ 00 04 08 0c
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10 14 18 1c
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20 24 ];
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status = "disabled";
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};
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gpio2: gpio@660 {
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compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
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reg = <0x660 0x24>;
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interrupt-parent = <&intc>;
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interrupts = <6>;
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gpio-controller;
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#gpio-cells = <2>;
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ngpios = <32>;
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ralink,gpio-base = <40>;
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ralink,register-map = [ 00 04 08 0c
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10 14 18 1c
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20 24 ];
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status = "disabled";
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};
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gpio3: gpio@688 {
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compatible = "ralink,mt7620a-gpio", "ralink,rt2880-gpio";
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reg = <0x688 0x24>;
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interrupt-parent = <&intc>;
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interrupts = <6>;
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gpio-controller;
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#gpio-cells = <2>;
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ngpios = <1>;
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ralink,gpio-base = <72>;
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ralink,register-map = [ 00 04 08 0c
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10 14 18 1c
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20 24 ];
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status = "disabled";
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};
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i2c: i2c@900 {
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compatible = "ralink,rt2880-i2c";
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reg = <0x900 0x100>;
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resets = <&rstctrl 16>;
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reset-names = "i2c";
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c_pins>;
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};
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spi0: spi@b00 {
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compatible = "ralink,mt7620a-spi", "ralink,rt2880-spi";
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reg = <0xb00 0x40>;
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resets = <&rstctrl 18>;
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reset-names = "spi";
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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pinctrl-names = "default";
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pinctrl-0 = <&spi_pins>;
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};
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spi1: spi@b40 {
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compatible = "ralink,rt2880-spi";
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reg = <0xb40 0x60>;
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resets = <&rstctrl 18>;
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reset-names = "spi";
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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pinctrl-names = "default";
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pinctrl-0 = <&spi_cs1>;
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};
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uartlite: uartlite@c00 {
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compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
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reg = <0xc00 0x100>;
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resets = <&rstctrl 19>;
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reset-names = "uartl";
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interrupt-parent = <&intc>;
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interrupts = <12>;
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reg-shift = <2>;
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pinctrl-names = "default";
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pinctrl-0 = <&uartlite_pins>;
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};
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systick: systick@d00 {
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compatible = "ralink,mt7620a-systick", "ralink,cevt-systick";
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reg = <0xd00 0x10>;
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resets = <&rstctrl 28>;
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reset-names = "intc";
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interrupt-parent = <&cpuintc>;
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interrupts = <7>;
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};
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};
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pinctrl: pinctrl {
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compatible = "ralink,rt2880-pinmux";
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pinctrl-names = "default";
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pinctrl-0 = <&state_default>;
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state_default: pinctrl0 {
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};
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ephy_pins: ephy {
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ephy {
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groups = "ephy";
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function = "ephy";
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};
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};
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spi_pins: spi_pins {
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spi_pins {
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groups = "spi";
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function = "spi";
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};
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};
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spi_cs1: spi1 {
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spi1 {
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groups = "spi refclk";
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function = "spi refclk";
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};
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};
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i2c_pins: i2c_pins {
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i2c_pins {
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groups = "i2c";
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function = "i2c";
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};
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};
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uartlite_pins: uartlite {
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uart {
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groups = "uartlite";
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function = "uartlite";
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};
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};
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};
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rstctrl: rstctrl {
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compatible = "ralink,mt7620a-reset", "ralink,rt2880-reset";
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#reset-cells = <1>;
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};
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clkctrl: clkctrl {
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compatible = "ralink,rt2880-clock";
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#clock-cells = <1>;
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};
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usbphy: usbphy {
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compatible = "mediatek,mt7620-usbphy";
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#phy-cells = <0>;
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ralink,sysctl = <&sysc>;
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resets = <&rstctrl 22 &rstctrl 25>;
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reset-names = "host", "device";
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clocks = <&clkctrl 22 &clkctrl 25>;
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clock-names = "host", "device";
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};
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ethernet: ethernet@10100000 {
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compatible = "mediatek,mt7620-eth";
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reg = <0x10100000 0x10000>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupt-parent = <&cpuintc>;
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interrupts = <5>;
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resets = <&rstctrl 21 &rstctrl 23>;
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reset-names = "fe", "esw";
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mediatek,switch = <&gsw>;
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};
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gsw: gsw@10110000 {
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compatible = "mediatek,mt7620-gsw";
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reg = <0x10110000 0x8000>;
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resets = <&rstctrl 23>;
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reset-names = "esw";
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interrupt-parent = <&intc>;
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interrupts = <17>;
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};
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ehci: ehci@101c0000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "generic-ehci";
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reg = <0x101c0000 0x1000>;
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interrupt-parent = <&intc>;
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interrupts = <18>;
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phys = <&usbphy>;
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phy-names = "usb";
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status = "disabled";
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ehci_port1: port@1 {
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reg = <1>;
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#trigger-source-cells = <0>;
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};
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};
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ohci: ohci@101c1000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "generic-ohci";
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reg = <0x101c1000 0x1000>;
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phys = <&usbphy>;
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phy-names = "usb";
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interrupt-parent = <&intc>;
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interrupts = <18>;
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status = "disabled";
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ohci_port1: port@1 {
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reg = <1>;
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#trigger-source-cells = <0>;
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};
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};
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wmac: wmac@10180000 {
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compatible = "ralink,rt7620-wmac", "ralink,rt2880-wmac";
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reg = <0x10180000 0x40000>;
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interrupt-parent = <&cpuintc>;
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interrupts = <6>;
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ralink,eeprom = "soc_wmac.eeprom";
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};
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};
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