Ðþí  s1   8  l,   (              kô                                                                   4   ,smartlabs,sml5442tw amlogic,s905d amlogic,meson-gxl          7SmartLabs SML-5442TW       aliases          =/soc/apb@d0000000/mmc@72000          B/soc/apb@d0000000/mmc@74000          G/soc/apb@d0000000/mmc@70000          L/soc/bus@c8100000/serial@4c0             T/soc/ethernet@c9410000        reserved-memory                                    ^   hwrom@0          e                         i      secmon@10000000          e                         i      secmon@5000000           e            0            i      secmon@5300000           e    0                   i      linux,cma            ,shared-dma-pool           p         y                ~     @            ˆ         chosen                                     ^         šserial0:115200n8       framebuffer-cvbs          .   ,amlogic,simple-framebuffer simple-framebuffer         	   ¦vpu-cvbs             ·             	   Ådisabled          framebuffer-hdmi          .   ,amlogic,simple-framebuffer simple-framebuffer         	   ¦vpu-hdmi             ·             	   Ådisabled             Ì      ?            M         cpus                                 cpu@0            Ócpu          ,arm,cortex-a53           e                 ßpsci             í            Ì                þ                    cpu@1            Ócpu          ,arm,cortex-a53           e                ßpsci             í            Ì                þ              	      cpu@2            Ócpu          ,arm,cortex-a53           e                ßpsci             í            Ì                þ              
      cpu@3            Ócpu          ,arm,cortex-a53           e                ßpsci             í            Ì                þ                    l2-cache0            ,cache                       !                    thermal-zones      cpu-thermal         /   ú        E  è        S          trips      cpu-passive         c 8€        o  Ð         Úpassive                  cpu-hot         c _�        o  Ð         Úhot                  cpu-critical            c ­°        o  Ð      	   Úcritical             cooling-maps       map0            z         0     ÿÿÿÿÿÿÿÿ   	ÿÿÿÿÿÿÿÿ   
ÿÿÿÿÿÿÿÿ   ÿÿÿÿÿÿÿÿ      map1            z         0     ÿÿÿÿÿÿÿÿ   	ÿÿÿÿÿÿÿÿ   
ÿÿÿÿÿÿÿÿ   ÿÿÿÿÿÿÿÿ               arm-pmu          ,arm,cortex-a53-pmu        0  Ž       ‰          Š          ™          š           ™      	   
         psci             ,arm,psci-0.2             æsmc       timer            ,arm,armv8-timer       0  Ž        ÿ        ÿ        ÿ      
  ÿ      xtal-clk             ,fixed-clock         ¬n6         ¼xtal            Ï                     firmware       secure-monitor        *   ,amlogic,meson-gx-sm amlogic,meson-gxbb-sm                       efuse         0   ,amlogic,meson-gx-efuse amlogic,meson-gxbb-efuse                                   Ü        æ            Ì      :   sn@14            e            eth-mac@34           e   4         bid@46           e   F   0         scpi          )   ,amlogic,meson-gxbb-scpi arm,scpi-pre-1.0            õ                    ü         clocks           ,arm,scpi-clocks    clocks-0             ,arm,scpi-dvfs-clocks            Ï                       ¼vcpu                        sensors       1   ,amlogic,meson-gxbb-scpi-sensors arm,scpi-sensors                                   soc          ,simple-bus                                     ^   bus@c1100000             ,simple-bus           e    Á                                           ^            Á            interrupt-controller@9880         4   ,amlogic,meson-gxl-gpio-intc amlogic,meson-gpio-intc          e      ˜€                &        ;            L   @   A   B   C   D   E   F   G         Åokay          reset-controller@4404            ,amlogic,meson-gxbb-reset             e      D       œ        g                    audio-controller@5400            ,amlogic,aiu-gxl amlogic,aiu         t           …AIU          e      T       ¬        Ž       0          2         
  —i2s spdif            Åokay          H   Ì      &      (      P      k      ,      '      Q      n      q      \  §pclk i2s_pclk i2s_aoclk i2s_mclk i2s_mixer spdif_pclk spdif_aoclk spdif_mclk spdif_mclk_sel         ³              º           Ädefault            B      serial@84c0          ,amlogic,meson-gx-uart            e      „À               Ž                   Åokay            Ò   €         Ì                    §xtal pclk baud          º              Ädefault          Ü   bluetooth            ,qcom,qca9377-bt         ì      `            ù „€         Ì            serial@84dc          ,amlogic,meson-gx-uart            e      „Ü               Ž       K         	   Ådisabled             Ì         0           §xtal pclk baud        i2c@8500             ,amlogic,meson-gxbb-i2c           e      …                 Ž                                             Åokay             Ì              º           Ädefault       pwm@8550          ,   ,amlogic,meson-gx-pwm amlogic,meson-gxbb-pwm          e      …P                        	   Ådisabled          pwm@8650          ,   ,amlogic,meson-gx-pwm amlogic,meson-gxbb-pwm          e      †P                        	   Ådisabled          adc@8680          .   ,amlogic,meson-gxl-saradc amlogic,meson-saradc            e      †€       4                   Ž       I            Åokay             Ì               a      b        §clkin core adc_clk adc_sel                    pwm@86c0          ,   ,amlogic,meson-gx-pwm amlogic,meson-gxbb-pwm          e      †À                           Åokay            º           Ädefault          Ì              §clkin0             >      serial@8700          ,amlogic,meson-gx-uart            e      ‡                Ž       ]         	   Ådisabled             Ì         D           §xtal pclk baud        clock-measure@8758           ,amlogic,meson-gx-clk-measure             e      ‡X             i2c@87c0             ,amlogic,meson-gxbb-i2c           e      ‡À                Ž       Ö                                   	   Ådisabled             Ì            i2c@87e0             ,amlogic,meson-gxbb-i2c           e      ‡à                Ž       ×                                   	   Ådisabled             Ì            spi@8d80             ,amlogic,meson-gx-spicc           e      �€       €        Ž       Q                                   	   Ådisabled             Ì              §core            ³      Á        ,         spi@8c80             ,amlogic,meson-gxbb-spifc             e      Œ€       €                                	   Ådisabled             Ì      "      watchdog@98d0            ,amlogic,meson-gxbb-wdt           e      ˜Ð                Ì            interrupt-controller@c4301000            ,arm,gic-400       @   e    Ä0            Ä0              Ä0@             Ä0`                  &        Ž      	  ÿ        ;                                 sram@c8000000         
   ,mmio-sram            e    È        @                                   ^        È    @    scp-sram@0           ,amlogic,meson-gxbb-scp-shmem             e 0                     scp-sram@200             ,amlogic,meson-gxbb-scp-shmem             e 4                        bus@c8100000             ,simple-bus           e    È                                           ^            È            sys-ctrl@0        .   ,amlogic,meson-gx-ao-sysctrl simple-mfd syscon            e                          !   clock-controller          1   ,amlogic,meson-gxl-aoclkc amlogic,meson-gx-aoclkc            Ï           g            Ì                 §xtal mpeg-clk                       cec@100          ,amlogic,meson-gx-ao-cec          e                      Ž       Ç            Åokay             Ì              §core            º           Ädefault         3         ao-secure@140         "   ,amlogic,meson-gx-ao-secure syscon            e      @      @         @      serial@4c0        ,   ,amlogic,meson-gx-uart amlogic,meson-ao-uart          e      À               Ž       Á            Åokay             Ì                    §xtal pclk baud          º           Ädefault       serial@4e0        ,   ,amlogic,meson-gx-uart amlogic,meson-ao-uart          e      à               Ž       Å         	   Ådisabled             Ì                    §xtal pclk baud        i2c@500          ,amlogic,meson-gxbb-i2c           e                       Ž       Ã                                   	   Ådisabled             Ì      ]      pwm@550       2   ,amlogic,meson-gx-ao-pwm amlogic,meson-gxbb-ao-pwm            e      P                        	   Ådisabled          ir@580        *   ,amlogic,meson-gx-ir amlogic,meson-gxbb-ir            e      €       @        Ž       Ä            Åokay            º           Ädefault         Trc-khamsin        pinctrl@14            ,amlogic,meson-gxl-aobus-pinctrl                                    ^               bank@14       0   e                     ,              $               fmux pull gpio            p        €           Œ                          E      uart_ao_a                 mux         ˜uart_tx_ao_a uart_rx_ao_a           Ÿuart_ao          ¨         uart_ao_a_cts_rts      mux         ˜uart_cts_ao_a uart_rts_ao_a         Ÿuart_ao          ¨         uart_ao_b      mux         ˜uart_tx_ao_b uart_rx_ao_b         
  Ÿuart_ao_b            ¨         uart_ao_b_0_1      mux         ˜uart_tx_ao_b_0 uart_rx_ao_b_1         
  Ÿuart_ao_b            ¨         uart_ao_b_cts_rts      mux         ˜uart_cts_ao_b uart_rts_ao_b       
  Ÿuart_ao_b            ¨         remote_input_ao               mux         ˜remote_input_ao         Ÿremote_input_ao          ¨         i2c_ao     mux         ˜i2c_sck_ao i2c_sda_ao           Ÿi2c_ao           ¨         pwm_ao_a_3     mux         ˜pwm_ao_a_3        	  Ÿpwm_ao_a             ¨         pwm_ao_a_8     mux         ˜pwm_ao_a_8        	  Ÿpwm_ao_a             ¨         pwm_ao_b       mux       	  ˜pwm_ao_b          	  Ÿpwm_ao_b             ¨         pwm_ao_b_6     mux         ˜pwm_ao_b_6        	  Ÿpwm_ao_b             ¨         i2s_out_ch23_ao    mux         ˜i2s_out_ch23_ao         Ÿi2s_out_ao           ¨         i2s_out_ch45_ao    mux         ˜i2s_out_ch45_ao         Ÿi2s_out_ao           ¨         spdif_out_ao_6     mux         ˜spdif_out_ao_6          Ÿspdif_out_ao             ¨         spdif_out_ao_9     mux         ˜spdif_out_ao_9          Ÿspdif_out_ao             ¨         ao_cec                mux         ˜ao_cec          Ÿcec_ao           ¨         ee_cec     mux         ˜ee_cec          Ÿcec_ao           ¨               video-codec@c8820000          !   ,amlogic,gxl-vdec amlogic,gx-vdec              e    È‚             Á¥€       ä        fdos esparser            Ž       ,                      —vdec esparser           µ   !        È   "          Ì      6            ™      œ         §dos_parser dos vdec_1 vdec_hevc         ³      (      	  ×esparser          bus@c8834000             ,simple-bus           e    Èƒ@                                           ^            Èƒ@            rng@0            ,amlogic,meson-rng            e                        Ì              §core          pinctrl@4b0       "   ,amlogic,meson-gxl-periphs-pinctrl                                      ^           #   bank@4b0          @   e      °       (      è                           0       @        fmux pull pull-enable gpio            p        €           Œ   #           d                 emmc               /   mux-0           ˜emmc_nand_d07 emmc_cmd          Ÿemmc             ã      mux-1         	  ˜emmc_clk            Ÿemmc             ¨         emmc-ds            0   mux         ˜emmc_ds         Ÿemmc             ð         emmc_clk_gate              1   mux         ˜BOOT_8          Ÿgpio_periphs             ð         nor    mux         ˜nor_d nor_q nor_c nor_cs            Ÿnor          ¨         spi-pins       mux         ˜spi_miso spi_mosi spi_sclk          Ÿspi          ¨         spi-idle-high-pins     mux       	  ˜spi_sclk             ã         spi-idle-low-pins      mux       	  ˜spi_sclk             ð         spi-ss0    mux         ˜spi_ss0         Ÿspi          ¨         sdcard             -   mux-0         3  ˜sdcard_d0 sdcard_d1 sdcard_d2 sdcard_d3 sdcard_cmd          Ÿsdcard           ã      mux-1           ˜sdcard_clk          Ÿsdcard           ¨         sdcard_clk_gate            .   mux         ˜CARD_2          Ÿgpio_periphs             ð         sdio               (   mux-0         )  ˜sdio_d0 sdio_d1 sdio_d2 sdio_d3 sdio_cmd            Ÿsdio             ã      mux-1         	  ˜sdio_clk            Ÿsdio             ¨         sdio_clk_gate              )   mux         ˜GPIOX_4         Ÿgpio_periphs             ð         sdio_irq       mux       	  ˜sdio_irq            Ÿsdio             ¨         uart_a                mux         ˜uart_tx_a uart_rx_a         Ÿuart_a           ¨         uart_a_cts_rts                mux         ˜uart_cts_a uart_rts_a           Ÿuart_a           ¨         uart_b     mux         ˜uart_tx_b uart_rx_b         Ÿuart_b           ¨         uart_b_cts_rts     mux         ˜uart_cts_b uart_rts_b           Ÿuart_b           ¨         uart_c     mux         ˜uart_tx_c uart_rx_c         Ÿuart_c           ¨         uart_c_cts_rts     mux         ˜uart_cts_c uart_rts_c           Ÿuart_c           ¨         i2c_a                 mux         ˜i2c_sck_a i2c_sda_a         Ÿi2c_a            ¨         i2c_b      mux         ˜i2c_sck_b i2c_sda_b         Ÿi2c_b            ¨         i2c_c      mux         ˜i2c_sck_c i2c_sda_c         Ÿi2c_c            ¨         i2c_c_dv18     mux         ˜i2c_sck_c_dv19 i2c_sda_c_dv18           Ÿi2c_c            ¨         eth_c      mux       �  ˜eth_mdio eth_mdc eth_clk_rx_clk eth_rx_dv eth_rxd0 eth_rxd1 eth_rxd2 eth_rxd3 eth_rgmii_tx_clk eth_tx_en eth_txd0 eth_txd1 eth_txd2 eth_txd3            Ÿeth          ¨         eth_link_led               %   mux         ˜eth_link_led            Ÿeth_led          ¨         eth_act_led            &   mux         ˜eth_act_led         Ÿeth_led          pwm_a      mux         ˜pwm_a           Ÿpwm_a            ¨         pwm_b      mux         ˜pwm_b           Ÿpwm_b            ¨         pwm_c      mux         ˜pwm_c           Ÿpwm_c            ¨         pwm_d      mux         ˜pwm_d           Ÿpwm_d            ¨         pwm_e                 mux         ˜pwm_e           Ÿpwm_e            ¨         pwm_f_clk      mux       
  ˜pwm_f_clk           Ÿpwm_f            ¨         pwm_f_x    mux         ˜pwm_f_x         Ÿpwm_f            ¨         hdmi_hpd               7   mux       	  ˜hdmi_hpd          	  Ÿhdmi_hpd             ¨         hdmi_i2c               8   mux         ˜hdmi_sda hdmi_scl         	  Ÿhdmi_i2c             ¨         i2s_am_clk     mux         ˜i2s_am_clk          Ÿi2s_out          ¨         i2s_out_ao_clk     mux         ˜i2s_out_ao_clk          Ÿi2s_out          ¨         i2s_out_lr_clk     mux         ˜i2s_out_lr_clk          Ÿi2s_out          ¨         i2s_out_ch01       mux         ˜i2s_out_ch01            Ÿi2s_out          ¨         i2sout_ch23_z      mux         ˜i2sout_ch23_z           Ÿi2s_out          ¨         i2sout_ch45_z      mux         ˜i2sout_ch45_z           Ÿi2s_out          ¨         i2sout_ch67_z      mux         ˜i2sout_ch67_z           Ÿi2s_out          ¨         spdif_out_ao_h                mux         ˜spdif_out_h       
  Ÿspdif_out            ¨            mdio@558             e      X                ,amlogic,gxl-mdio-mux                                       Ì              §ref         ÿ   $   mdio@0           e                                    mdio@1           e                                ethernet-phy@8           ,ethernet-phy-id0181.4400            Ž       	            e           ù   d        º   %   &        Ädefault            '               bus@c8838000             ,simple-bus           e    Èƒ€                                          ^            Èƒ€           video-lut@48             ,amlogic,canvas           e       H                  "         bus@c883c000             ,simple-bus           e    ÈƒÀ                                           ^            ÈƒÀ            system-controller@0       /   ,amlogic,meson-gx-hhi-sysctrl simple-mfd syscon           e                  power-controller             ,amlogic,meson-gxbb-pwrc                    µ   !      `  ³            
            %      „      …      †      ‡      ‰      Œ      �      ç      D  ×viu venc vcbus bt656 dvin rdma venci vencp vdac vdi6 vencl vid_lock          Ì      „      Œ      	  §vpu vapb          0  #      ~      €      „      …      ‡      ‹      (  3                €                ‡        J    '¼†ª        æ²€                     clock-controller             ,amlogic,gxl-clkc            Ï            Ì           §xtal                        mailbox@404          ,amlogic,meson-gxbb-mhu           e             L      $  Ž       Ð          Ñ          Ò           _                       ethernet@c9410000         5   ,amlogic,meson-gxbb-dwmac snps,dwmac-3.70a snps,dwmac              e    ÉA             ÈƒE@               Ž                  —macirq          k           y            ·               Åokay              Ì      $                        *  §stmmaceth clkin0 clkin1 timing-adjustment           ‡rmii            �   '   mdio                                       ,snps,dwmac-mdio            $         apb@d0000000             ,simple-bus           e    Ð                                             ^            Ð              mmc@70000         ,   ,amlogic,meson-gx-mmc amlogic,meson-gxbb-mmc          e                      Ž       Ø            Åokay             Ì      ^      w              §core clkin0 clkin1          ³      ,        º   (        ›   )        Ädefault clk-gate                                      ¥            ¯        Àúð€         Î         Ü         ç        ý   *           +           ,      mmc@72000         ,   ,amlogic,meson-gx-mmc amlogic,meson-gxbb-mmc          e                      Ž       Ù            Åokay             Ì      _      z              §core clkin0 clkin1          ³      -        º   -        ›   .        Ädefault clk-gate            ¥            ¯        Àúð€         Ü        !      0              +           ,      mmc@74000         ,   ,amlogic,meson-gx-mmc amlogic,meson-gxbb-mmc          e     @                Ž       Ú            Åokay             Ì      `      }              §core clkin0 clkin1          ³      .        º   /   0        ›   1        Ädefault clk-gate            ¥            *        ÀëÂ          Î         Ü         <         I        ý   2           3           ,      phy@78000            ,amlogic,meson-gxl-usb2-phy          X             e     €                  Ì      7        §phy         ³      "        ×phy          Åokay               <      phy@78020            ,amlogic,meson-gxl-usb2-phy          X             e     €                  Ì      7        §phy         ³      "        ×phy          Åokay               =      gpu@c0000         $   ,amlogic,meson-gxl-mali arm,mali-450          e                    x  Ž                  ¡          ¢          £          ¤          ¥          ¦          §          ¨          ©         1  —gp gpmmu pp pmu pp0 ppmmu0 pp1 ppmmu1 pp2 ppmmu2            c   4         Ì            j      	  §bus core            #      	        J,XŠ          vpu@d0100000          +   ,amlogic,meson-gxl-vpu amlogic,meson-gx-vpu            e    Ð             ÈƒÀ                fvpu hhi         Ž                                            È   "         ·          port@0           e       endpoint            w   5           ?         port@1           e      endpoint            w   6           :            hdmi-tx@c883a000          3   ,amlogic,meson-gxl-dw-hdmi amlogic,meson-gx-dw-hdmi           e    Èƒ                 Ž       9                                     t            …HDMITX           Åokay            ³            O      B        ×hdmitx_apb hdmitx hdmitx_phy             Ì      Í      ?      M        §isfr iahb venci          ·               #      Ë      Í        3               J    n6         º   7   8        Ädefault         ‡   9              port@0           e       endpoint            w   :           6         port@1           e      endpoint            w   ;           @            usb@d0078080             ,amlogic,meson-gxl-usb-ctrl           e    Ð€€                Ž                                             ^         Ì      7      @        §usb_ctrl ddr            ³      "        “otg         ›   <   =         usb2-phy0 usb2-phy1          Åokay       usb@c9100000          !   ,amlogic,meson-g12a-usb snps,dwc2             e    É                 Ž                   Ì      3        §otg         ›   =        “peripheral          ª   À        ¹   €        Ë   €   €               usb@c9000000          
   ,snps,dwc3            e    É                  Ž                  “host            Úhigh-speed           è         audio-controller@c8832000            ,amlogic,t9015            e    Èƒ                 t            …ACODEC           Ì      Î        §pclk            ³      =         Åokay                          D      crypto@c883e000          ,amlogic,gxl-crypto           e    Èƒà        6        Ž       ¼          ½            Ì      .        §blkmv            Åokay             opp-table            ,operating-points-v2            4   opp-125000000               sY@         ~ð      opp-250000000               æ²€         ~ð      opp-285714285               §m         ~ð      opp-400000000               ×„          ~ð      opp-500000000               Íe          ~ð      opp-666666666               '¼†ª         ~ð      opp-744000000               ,XŠ          ~ð         analog-amplifier             ,simple-audio-amplifier          …AU2         "   9        ì                     A      audio-codec-0           t             ,linux,spdif-dit         …DIT            C      memory@0             Ómemory           e            €         regulator-hdmi-5v            ,regulator-fixed         -HDMI_5V         < LK@        T LK@        l                   q         „           9      regulator-vddio-ao18             ,regulator-fixed         -VDDIO_AO18          < w@        T w@                 regulator-vddio-boot             ,regulator-fixed         -VDDIO_BOOT          < w@        T w@           ,      regulator-vddao-3v3          ,regulator-fixed       
  -VDDAO_3V3           < 2Z         T 2Z            +      regulator-vcc-3v3            ,regulator-fixed         -VCC_3V3         < 2Z         T 2Z            3      emmc-pwrseq          ,mmc-pwrseq-emmc         ˜      #              2      wifi32k       
   ,pwm-clock           Ï            ¬  €         ¤   >      w6                     sdio-pwrseq          ,mmc-pwrseq-simple           ˜      U            Ì         
  §ext_clock              *      cvbs-connector           ,composite-video-connector      port       endpoint            w   ?           5            hdmi-connector           ,hdmi-connector           Úa      port       endpoint            w   @           ;            sound            ,amlogic,gx-sound-card         
   7P230-Q200           ©   A        ¸Line Lineout          r  ÆAU2 INL ACODEC LOLP AU2 INR ACODEC LORP AU2 INL ACODEC LOLN AU2 INR ACODEC LORN Lineout AU2 OUTL Lineout AU2 OUTR            Ì                          #                          3                    J”  &` p     dai-link-0          Ô   B              dai-link-1          Ô   B             dai-link-2          Ô   B               Þi2s         é      codec-0         Ô   B             codec-1         Ô   B                dai-link-3          Ô   B          codec-0         Ô   C         dai-link-4          Ô   B         codec-0         Ô            dai-link-5          Ô   B         codec-0         Ô   D            leds          
   ,gpio-leds      led-yellow          ñ           Ÿstatus          ó   E               ÷off       led-blue            ñ           Ÿstatus          ó      M            ÷off       led-green           ñ           Ÿstatus          ó   E   	            ÷on        led-red         ñ           Ÿstatus          ó      L            ÷off             	interrupt-parent #address-cells #size-cells compatible model mmc0 mmc1 mmc2 serial0 ethernet0 ranges reg no-map reusable size alignment linux,cma-default stdout-path amlogic,pipeline power-domains status clocks device_type enable-method next-level-cache #cooling-cells phandle cache-level cache-unified polling-delay-passive polling-delay thermal-sensors temperature hysteresis trip cooling-device interrupts interrupt-affinity clock-frequency clock-output-names #clock-cells read-only secure-monitor mboxes shmem clock-indices #thermal-sensor-cells interrupt-controller #interrupt-cells amlogic,channel-interrupts #reset-cells #sound-dai-cells sound-name-prefix interrupt-names clock-names resets pinctrl-0 pinctrl-names fifo-size uart-has-rtscts enable-gpios max-speed #pwm-cells #io-channel-cells vref-supply num-cs hdmi-phandle amlogic,has-chip-id linux,rc-map-name reg-names gpio-controller #gpio-cells gpio-ranges groups function bias-disable amlogic,ao-sysctrl amlogic,canvas reset-names bias-pull-up bias-pull-down mdio-parent-bus #power-domain-cells assigned-clocks assigned-clock-parents assigned-clock-rates #mbox-cells rx-fifo-depth tx-fifo-depth phy-mode phy-handle pinctrl-1 bus-width cap-sd-highspeed max-frequency non-removable disable-wp keep-power-in-suspend mmc-pwrseq vmmc-supply vqmmc-supply cd-gpios cap-mmc-highspeed mmc-ddr-1_8v mmc-hs200-1_8v #phy-cells operating-points-v2 remote-endpoint hdmi-supply dr_mode phys phy-names g-rx-fifo-size g-np-tx-fifo-size g-tx-fifo-size maximum-speed snps,dis_u2_susphy_quirk AVDD-supply opp-hz opp-microvolt VCC-supply regulator-name regulator-min-microvolt regulator-max-microvolt gpio enable-active-high regulator-always-on reset-gpios pwms audio-aux-devs audio-widgets audio-routing sound-dai dai-format mclk-fs color default-state 