root@TL-ER6020:~# find /sys/devices -name subsystem
/sys/devices/soc.3/37400000.ethernet/subsystem
/sys/devices/soc.3/700000.memory/subsystem
/sys/devices/soc.3/1ac00000.nand/subsystem
/sys/devices/soc.3/100f8800.phy/subsystem
/sys/devices/soc.3/100f8830.phy/subsystem
/sys/devices/soc.3/1a500000.rng/subsystem
/sys/devices/soc.3/208a038.watchdog/subsystem
/sys/devices/soc.3/29000000.sata/subsystem
/sys/devices/soc.3/qcom,restart_reason.7/subsystem
/sys/devices/soc.3/500000.qcom,ssbi/subsystem
/sys/devices/soc.3/900000.clock-controller/subsystem
/sys/devices/soc.3/mdio.13/gpio-0:00/subsystem
/sys/devices/soc.3/mdio.13/gpio-0:04/subsystem
/sys/devices/soc.3/mdio.13/subsystem
/sys/devices/soc.3/mdio.13/mdio_bus/gpio-0/subsystem
/sys/devices/soc.3/10c0c8.rpm_log/subsystem
/sys/devices/soc.3/qcom,msm-thermal.4/subsystem
/sys/devices/soc.3/800000.pinmux/gpio/gpiochip0/subsystem
/sys/devices/soc.3/800000.pinmux/subsystem
/sys/devices/soc.3/108000.rpm/c.ebi1-clk/subsystem
/sys/devices/soc.3/108000.rpm/87.nss-fabric1-clk/subsystem
/sys/devices/soc.3/108000.rpm/9.cxo-clk/subsystem
/sys/devices/soc.3/108000.rpm/2.apps-fabric-clk/subsystem
/sys/devices/soc.3/108000.rpm/subsystem
/sys/devices/soc.3/108000.rpm/8a.smb208-s2a/regulator/regulator.4/subsystem
/sys/devices/soc.3/108000.rpm/8a.smb208-s2a/subsystem
/sys/devices/soc.3/108000.rpm/88.smb208-s1a/regulator/regulator.2/subsystem
/sys/devices/soc.3/108000.rpm/88.smb208-s1a/subsystem
/sys/devices/soc.3/108000.rpm/8b.smb208-s2b/regulator/regulator.5/subsystem
/sys/devices/soc.3/108000.rpm/8b.smb208-s2b/subsystem
/sys/devices/soc.3/108000.rpm/89.smb208-s1b/regulator/regulator.3/subsystem
/sys/devices/soc.3/108000.rpm/89.smb208-s1b/subsystem
/sys/devices/soc.3/108000.rpm/7b.pxo-clk/subsystem
/sys/devices/soc.3/108000.rpm/86.nss-fabric0-clk/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd0/mtdblock0/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd0/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd1/mtdblock1/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd1/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd2/mtdblock2/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd2/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd3/mtdblock3/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd3/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd4/mtdblock4/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd4/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd5/mtdblock5/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd5/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd6/mtdblock6/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd6/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd7/mtdblock7/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd7/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd8/mtdblock8/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd8/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd9/mtdblock9/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd9/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd10/mtdblock10/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd10/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd11/mtdblock11/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd11/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd12/mtdblock12/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd12/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd13/mtdblock13/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd13/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd14/mtdblock14/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd14/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd15/mtdblock15/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd15/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd16/mtdblock16/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd16/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd17/mtdblock17/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd17/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd18/mtdblock18/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd18/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd10ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd11ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd12ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd13ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd14ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd15ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd16ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd17ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd18ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd0ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd1ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd2ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd3ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd4ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd5ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd6ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd7ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd8ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/mtd/mtd9ro/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/spi_master/spi32766/spi32766.0/subsystem
/sys/devices/soc.3/1a200000.gsbi/1a280000.spi/subsystem
/sys/devices/soc.3/1a200000.gsbi/subsystem
/sys/devices/soc.3/1b700000.pci/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/SYS_LED/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/LAN_LED_0/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/LAN_LED_1/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/LAN_LED_2/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/LAN_LED_3/subsystem
/sys/devices/soc.3/gpio-leds.12/leds/LAN_LED_4/subsystem
/sys/devices/soc.3/gpio-leds.12/subsystem
/sys/devices/soc.3/subsystem
/sys/devices/soc.3/gpio_keys.11/subsystem
/sys/devices/soc.3/2a03f000.qcom,msm-imem/subsystem
/sys/devices/soc.3/2011000.clock-controller/subsystem
/sys/devices/soc.3/38800000.crypto/subsystem
/sys/devices/soc.3/38400000.crypto/subsystem
/sys/devices/soc.3/38000000.crypto/subsystem
/sys/devices/soc.3/2088000.clock-controller/subsystem
/sys/devices/soc.3/2000000.interrupt-controller/subsystem
/sys/devices/soc.3/2089000.regulator/subsystem
/sys/devices/soc.3/usb30.5/subsystem
/sys/devices/soc.3/usb30.6/subsystem
/sys/devices/soc.3/3000000.nss-gmac-common/subsystem
/sys/devices/soc.3/amba.10/12400000.sdcc/subsystem
/sys/devices/soc.3/amba.10/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan0/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan1/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan2/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan3/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan4/subsystem
/sys/devices/soc.3/12182000.dma/dma/dma1chan5/subsystem
/sys/devices/soc.3/12182000.dma/subsystem
/sys/devices/soc.3/37200000.ethernet/subsystem
/sys/devices/soc.3/200a000.timer/subsystem
/sys/devices/soc.3/900000.tsens-ipq806x/subsystem
/sys/devices/soc.3/2099000.regulator/subsystem
/sys/devices/soc.3/1b400000.sata-phy/phy/phy-1b400000.sata-phy.0/subsystem
/sys/devices/soc.3/1b400000.sata-phy/subsystem
/sys/devices/soc.3/qcom,cache_dump.8/subsystem
/sys/devices/soc.3/1a400000.tcsr/subsystem
/sys/devices/soc.3/vsdcc-regulator.9/regulator/regulator.1/subsystem
/sys/devices/soc.3/vsdcc-regulator.9/subsystem
/sys/devices/soc.3/110f8800.phy/subsystem
/sys/devices/soc.3/18300000.dma/subsystem
/sys/devices/soc.3/36400000.nss/subsystem
/sys/devices/soc.3/36000000.nss/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan0/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan1/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan2/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan3/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan4/subsystem
/sys/devices/soc.3/12402000.dma/dma/dma0chan5/subsystem
/sys/devices/soc.3/12402000.dma/subsystem
/sys/devices/soc.3/16300000.gsbi/16340000.serial/tty/ttyMSM0/subsystem
/sys/devices/soc.3/16300000.gsbi/16340000.serial/subsystem
/sys/devices/soc.3/16300000.gsbi/subsystem
/sys/devices/soc.3/16300000.gsbi/16380000.i2c/i2c-0/i2c-dev/i2c-0/subsystem
/sys/devices/soc.3/16300000.gsbi/16380000.i2c/i2c-0/subsystem
/sys/devices/soc.3/16300000.gsbi/16380000.i2c/subsystem
/sys/devices/soc.3/110f8830.phy/subsystem
/sys/devices/soc.3/1b500000.pci/subsystem
/sys/devices/soc.3/2098000.clock-controller/subsystem
/sys/devices/soc.3/38c00000.crypto/subsystem
/sys/devices/cpu-pmu.0/subsystem
/sys/devices/3000000.nss-common/subsystem
/sys/devices/fab-scaling.2/subsystem
/sys/devices/system/cpu/cpu0/subsystem
/sys/devices/system/cpu/cpu1/subsystem
/sys/devices/system/clocksource/clocksource0/subsystem
/sys/devices/system/qfprom/qfprom0/subsystem
/sys/devices/system/clockevents/clockevent0/subsystem
/sys/devices/system/clockevents/clockevent1/subsystem
/sys/devices/virtual/bdi/31:0/subsystem
/sys/devices/virtual/bdi/31:1/subsystem
/sys/devices/virtual/bdi/31:2/subsystem
/sys/devices/virtual/bdi/31:3/subsystem
/sys/devices/virtual/bdi/31:4/subsystem
/sys/devices/virtual/bdi/31:5/subsystem
/sys/devices/virtual/bdi/31:6/subsystem
/sys/devices/virtual/bdi/31:7/subsystem
/sys/devices/virtual/bdi/31:8/subsystem
/sys/devices/virtual/bdi/31:9/subsystem
/sys/devices/virtual/bdi/default/subsystem
/sys/devices/virtual/bdi/31:10/subsystem
/sys/devices/virtual/bdi/31:11/subsystem
/sys/devices/virtual/bdi/31:12/subsystem
/sys/devices/virtual/bdi/31:13/subsystem
/sys/devices/virtual/bdi/31:14/subsystem
/sys/devices/virtual/bdi/31:15/subsystem
/sys/devices/virtual/bdi/31:16/subsystem
/sys/devices/virtual/bdi/31:17/subsystem
/sys/devices/virtual/bdi/31:18/subsystem
/sys/devices/virtual/bdi/mtd-romap/subsystem
/sys/devices/virtual/bdi/mtd-rwmap/subsystem
/sys/devices/virtual/bdi/mtd-unmap/subsystem
/sys/devices/virtual/mem/mem/subsystem
/sys/devices/virtual/mem/full/subsystem
/sys/devices/virtual/mem/kmsg/subsystem
/sys/devices/virtual/mem/null/subsystem
/sys/devices/virtual/mem/zero/subsystem
/sys/devices/virtual/mem/random/subsystem
/sys/devices/virtual/mem/urandom/subsystem
/sys/devices/virtual/net/ip6tnl0/subsystem
/sys/devices/virtual/net/gretap0/subsystem
/sys/devices/virtual/net/br-lan/subsystem
/sys/devices/virtual/net/eth0.2/subsystem
/sys/devices/virtual/net/eth1.1/subsystem
/sys/devices/virtual/net/eth0.10/subsystem
/sys/devices/virtual/net/qca-nss-dev0/subsystem
/sys/devices/virtual/net/qca-nss-dev1/subsystem
/sys/devices/virtual/net/qca-nss-dev3/subsystem
/sys/devices/virtual/net/qca-nss-dev2/subsystem
/sys/devices/virtual/net/lo/subsystem
/sys/devices/virtual/net/sit0/subsystem
/sys/devices/virtual/net/gre0/subsystem
/sys/devices/virtual/net/eth1/subsystem
/sys/devices/virtual/net/eth0/subsystem
/sys/devices/virtual/net/bond0/subsystem
/sys/devices/virtual/ppp/ppp/subsystem
/sys/devices/virtual/tty/tty/subsystem
/sys/devices/virtual/tty/ptmx/subsystem
/sys/devices/virtual/tty/console/subsystem
/sys/devices/virtual/misc/cpu_dma_latency/subsystem
/sys/devices/virtual/misc/switch_ssdk/subsystem
/sys/devices/virtual/misc/network_latency/subsystem
/sys/devices/virtual/misc/ubi_ctrl/subsystem
/sys/devices/virtual/misc/watchdog/subsystem
/sys/devices/virtual/misc/hw_random/subsystem
/sys/devices/virtual/misc/network_throughput/subsystem
/sys/devices/virtual/hwmon/hwmon0/subsystem
/sys/devices/virtual/hwmon/hwmon1/subsystem
/sys/devices/virtual/hwmon/hwmon2/subsystem
/sys/devices/virtual/hwmon/hwmon3/subsystem
/sys/devices/virtual/hwmon/hwmon4/subsystem
/sys/devices/virtual/hwmon/hwmon5/subsystem
/sys/devices/virtual/hwmon/hwmon6/subsystem
/sys/devices/virtual/hwmon/hwmon7/subsystem
/sys/devices/virtual/hwmon/hwmon8/subsystem
/sys/devices/virtual/hwmon/hwmon9/subsystem
/sys/devices/virtual/hwmon/hwmon10/subsystem
/sys/devices/virtual/workqueue/writeback/subsystem
/sys/devices/virtual/thermal/thermal_zone10/subsystem
/sys/devices/virtual/thermal/thermal_zone0/subsystem
/sys/devices/virtual/thermal/thermal_zone1/subsystem
/sys/devices/virtual/thermal/thermal_zone2/subsystem
/sys/devices/virtual/thermal/thermal_zone3/subsystem
/sys/devices/virtual/thermal/thermal_zone4/subsystem
/sys/devices/virtual/thermal/thermal_zone5/subsystem
/sys/devices/virtual/thermal/thermal_zone6/subsystem
/sys/devices/virtual/thermal/thermal_zone7/subsystem
/sys/devices/virtual/thermal/thermal_zone8/subsystem
/sys/devices/virtual/thermal/thermal_zone9/subsystem
/sys/devices/virtual/watchdog/watchdog0/subsystem
/sys/devices/platform/reg-dummy/regulator/regulator.0/subsystem
/sys/devices/platform/reg-dummy/subsystem
/sys/devices/platform/alarmtimer/subsystem
/sys/devices/platform/cpufreq-krait.0/subsystem
/sys/devices/platform/serial8250/tty/ttyS0/subsystem
/sys/devices/platform/serial8250/tty/ttyS1/subsystem
/sys/devices/platform/serial8250/subsystem
/sys/devices/clock-controller.1/subsystem