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3ea6125c50
Currently, the MT7530 DSA subdriver configures the MT7530 switch to provide
direct access to switch PHYs, meaning, the switch PHYs listen on the MDIO
bus the switch listens on. The PHY muxing feature makes use of this.
This is problematic as the PHY may be attached before the switch is
initialised, in which case, the PHY will fail to be attached.
Since commit 91374ba537bd ("net: dsa: mt7530: support OF-based registration
of switch MDIO bus") on mainline Linux, we can describe the switch PHYs on
the MDIO bus of the switch on the device tree.
When the PHY is described this way, the switch will be initialised first,
then the switch MDIO bus will be registered. Only after these steps, the
PHY will be attached.
Describe the switch PHYs on mt7621.dtsi and remove defining the switch PHY
on the SoC's mdio bus node. When the PHY muxing is in use, the interrupts
for the muxed PHY won't work, therefore delete the "interrupts" property on
the devices where the PHY muxing feature is in use.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
181 lines
2.8 KiB
Plaintext
181 lines
2.8 KiB
Plaintext
#include "mt7621.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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/ {
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model = "Ubiquiti UniFi Switch Flex";
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compatible = "ubnt,usw-flex", "mediatek,mt7621-soc";
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aliases {
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led-boot = &led_white;
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led-failsafe = &led_white;
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led-running = &led_blue;
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led-upgrade = &led_blue;
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label-mac-device = &gmac0;
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};
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chosen {
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bootargs-override = "console=ttyS0,115200";
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};
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keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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};
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leds {
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compatible = "gpio-leds";
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led_blue: status_blue {
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function = LED_FUNCTION_STATUS;
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
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};
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led_white: status_white {
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function = LED_FUNCTION_STATUS;
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color = <LED_COLOR_ID_WHITE>;
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gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
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};
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};
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i2c-gpio {
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compatible = "i2c-gpio";
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sda-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
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scl-gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
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i2c-gpio,delay-us = <50>;
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/* Microsemi PD69104B1 PSE controller */
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};
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};
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&gmac0 {
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nvmem-cells = <&macaddr_eeprom>;
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nvmem-cell-names = "mac-address";
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label = "dsa";
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};
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&gmac1 {
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status = "okay";
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label = "lan1";
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phy-handle = <ðphy4>;
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nvmem-cells = <&macaddr_eeprom>;
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nvmem-cell-names = "mac-address";
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};
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ðphy4 {
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/delete-property/ interrupts;
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};
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&switch0 {
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ports {
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port@0 {
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status = "okay";
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label = "lan5";
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};
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port@1 {
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status = "okay";
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label = "lan4";
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};
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port@2 {
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status = "okay";
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label = "lan3";
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};
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port@3 {
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status = "okay";
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label = "lan2";
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};
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};
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};
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&state_default {
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gpio {
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groups = "i2c", "uart2", "uart3", "jtag";
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function = "gpio";
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};
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};
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&spi0 {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <30000000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x60000>;
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read-only;
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};
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partition@60000 {
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label = "u-boot-env";
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reg = <0x60000 0x10000>;
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};
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partition@70000 {
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label = "factory";
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reg = <0x70000 0x10000>;
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read-only;
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};
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partition@80000 {
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label = "eeprom";
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reg = <0x80000 0x10000>;
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read-only;
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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macaddr_eeprom: macaddr@0 {
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reg = <0x0 0x6>;
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};
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};
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};
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partition@90000 {
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label = "bs";
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reg = <0x90000 0x10000>;
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};
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partition@a0000 {
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label = "cfg";
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reg = <0xa0000 0x100000>;
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read-only;
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};
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partition@1a0000 {
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/* Combine kernel0 / kernel1 */
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compatible = "denx,fit";
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label = "firmware";
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reg = <0x1a0000 0xe60000>;
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};
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};
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};
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};
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&xhci {
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status = "disabled";
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};
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