I'm new to Linux and have an issue. I installed Raspbian OS Stretch to my Zero W device and connected the TV Hat device to it through GPIO Header. The problem is that in browser the TV Hat doesn't appear. I think it could be connection problem, but don't know exactly.
The dmesg message is:
pi@raspberrypi:~ $ dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.14.98+ (dom@dom-XPS-13-9370) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1200 Tue Feb 12 20:11:02 GMT 2019
[ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi Zero W Rev 1.1
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] cma: Reserved 8 MiB at 0x1b400000
[ 0.000000] On node 0 totalpages: 114688
[ 0.000000] free_area_init_node: node 0, pgdat c09caaf0, node_mem_map db010000
[ 0.000000] Normal zone: 1008 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 114688 pages, LIFO batch:31
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 113680
[ 0.000000] Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:A3:C9:CD vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=PARTUUID=4c0f4d91-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 435204K/458752K available (6451K kernel code, 589K rwdata, 1992K rodata, 440K init, 673K bss, 15356K reserved, 8192K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xdc800000 - 0xff800000 ( 560 MB)
lowmem : 0xc0000000 - 0xdc000000 ( 448 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.text : 0xc0008000 - 0xc0655050 (6453 kB)
.init : 0xc08d4000 - 0xc0942000 ( 440 kB)
.data : 0xc0942000 - 0xc09d54f8 ( 590 kB)
.bss : 0xc09dadf0 - 0xc0a8338c ( 674 kB)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 24128 entries in 71 pages
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000030] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[ 0.000061] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[ 0.000147] bcm2835: system timer (irq = 27)
[ 0.000713] Console: colour dummy device 80x30
[ 0.000740] console [tty1] enabled
[ 0.000775] Calibrating delay loop... 697.95 BogoMIPS (lpj=3489792)
[ 0.060293] pid_max: default: 32768 minimum: 301
[ 0.060787] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.060807] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.062109] Disabling memory control group subsystem
[ 0.062274] CPU: Testing write buffer coherency: ok
[ 0.063412] Setting up static identity map for 0x8200 - 0x8238
[ 0.064663] devtmpfs: initialized
[ 0.074243] random: get_random_u32 called from bucket_table_alloc+0x88/0x1c4 with crng_init=0
[ 0.075221] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[ 0.075609] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.075639] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.076953] pinctrl core: initialized pinctrl subsystem
[ 0.078317] NET: Registered protocol family 16
[ 0.081375] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.087976] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[ 0.087993] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.088114] Serial: AMBA PL011 UART driver
[ 0.091062] bcm2835-mbox 2000b880.mailbox: mailbox enabled
[ 0.091788] uart-pl011 20201000.serial: could not find pctldev for node /soc/gpio@7e200000/uart0_pins, deferring probe
[ 0.131080] bcm2835-dma 20007000.dma: DMA legacy API manager at dc80d000, dmachans=0x1
[ 0.133368] SCSI subsystem initialized
[ 0.133605] usbcore: registered new interface driver usbfs
[ 0.133701] usbcore: registered new interface driver hub
[ 0.133907] usbcore: registered new device driver usb
[ 0.140802] raspberrypi-firmware soc:firmware: Attached to firmware from 2019-03-27 15:45
[ 0.142916] clocksource: Switched to clocksource timer
[ 0.228792] VFS: Disk quotas dquot_6.6.0
[ 0.228916] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.229202] FS-Cache: Loaded
[ 0.229527] CacheFiles: Loaded
[ 0.246749] NET: Registered protocol family 2
[ 0.247947] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.248035] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.248129] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.248280] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.248309] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.248654] NET: Registered protocol family 1
[ 0.249379] RPC: Registered named UNIX socket transport module.
[ 0.249390] RPC: Registered udp transport module.
[ 0.249395] RPC: Registered tcp transport module.
[ 0.249401] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.251406] hw perfevents: no irqs for PMU, sampling events not supported
[ 0.251482] hw perfevents: enabled with armv6_1176 PMU driver, 3 counters available
[ 0.255300] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 0.267547] FS-Cache: Netfs 'nfs' registered for caching
[ 0.268874] NFS: Registering the id_resolver key type
[ 0.268925] Key type id_resolver registered
[ 0.268933] Key type id_legacy registered
[ 0.268958] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.273781] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.274196] io scheduler noop registered
[ 0.274210] io scheduler deadline registered (default)
[ 0.274731] io scheduler cfq registered
[ 0.274745] io scheduler mq-deadline registered
[ 0.274752] io scheduler kyber registered
[ 0.277048] BCM2708FB: allocated DMA memory 5b500000
[ 0.277112] BCM2708FB: allocated DMA channel 0 @ dc80d000
[ 0.329122] Console: switching to colour frame buffer device 240x67
[ 0.372408] bcm2835-rng 20104000.rng: hwrng registered
[ 0.372665] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB)
[ 0.374019] vc-sm: Videocore shared memory driver
[ 0.374727] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000
[ 0.396179] brd: module loaded
[ 0.410075] loop: module loaded
[ 0.410102] Loading iSCSI transport class v2.0-870.
[ 0.411030] usbcore: registered new interface driver smsc95xx
[ 0.411061] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 0.439163] dwc_otg 20980000.usb: base=0xf0980000
[ 0.639668] Core Release: 2.80a
[ 0.639688] Setting default values for core params
[ 0.639735] Finished setting default values for core params
[ 0.840198] Using Buffer DMA mode
[ 0.840218] Periodic Transfer Interrupt Enhancement - disabled
[ 0.840223] Multiprocessor Interrupt Enhancement - disabled
[ 0.840236] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 0.840353] Dedicated Tx FIFOs mode
[ 0.841405] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xdb514000 dma = 0x5b514000 len=9024
[ 0.841438] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 0.841452] dwc_otg: Microframe scheduler enabled
[ 0.841656] WARN::hcd_init_fiq:459: FIQ on core 0 at 0xc04a00d0
[ 0.841672] WARN::hcd_init_fiq:460: FIQ ASM at 0xc04a03ac length 36
[ 0.841704] WARN::hcd_init_fiq:486: MPHI regs_base at 0xf0006000
[ 0.841801] dwc_otg 20980000.usb: DWC OTG Controller
[ 0.841910] dwc_otg 20980000.usb: new USB bus registered, assigned bus number 1
[ 0.842000] dwc_otg 20980000.usb: irq 56, io mem 0x00000000
[ 0.842058] Init: Port Power? op_state=1
[ 0.842064] Init: Power Port (0)
[ 0.842507] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.842528] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.842538] usb usb1: Product: DWC OTG Controller
[ 0.842550] usb usb1: Manufacturer: Linux 4.14.98+ dwc_otg_hcd
[ 0.842559] usb usb1: SerialNumber: 20980000.usb
[ 0.843964] hub 1-0:1.0: USB hub found
[ 0.844075] hub 1-0:1.0: 1 port detected
[ 0.845123] dwc_otg: FIQ enabled
[ 0.845136] dwc_otg: NAK holdoff enabled
[ 0.845142] dwc_otg: FIQ split-transaction FSM enabled
[ 0.845165] Module dwc_common_port init
[ 0.845752] usbcore: registered new interface driver usb-storage
[ 0.846247] mousedev: PS/2 mouse device common for all mice
[ 0.846314] IR NEC protocol handler initialized
[ 0.846324] IR RC5(x/sz) protocol handler initialized
[ 0.846329] IR RC6 protocol handler initialized
[ 0.846336] IR JVC protocol handler initialized
[ 0.846341] IR Sony protocol handler initialized
[ 0.846348] IR SANYO protocol handler initialized
[ 0.846353] IR Sharp protocol handler initialized
[ 0.846358] IR MCE Keyboard/mouse protocol handler initialized
[ 0.846365] IR XMP protocol handler initialized
[ 0.847854] bcm2835-wdt 20100000.watchdog: Broadcom BCM2835 watchdog timer
[ 0.848461] bcm2835-cpufreq: min=700000 max=1000000
[ 0.849157] sdhci: Secure Digital Host Controller Interface driver
[ 0.849169] sdhci: Copyright(c) Pierre Ossman
[ 0.849862] mmc-bcm2835 20300000.mmc: could not get clk, deferring probe
[ 0.850561] sdhost-bcm2835 20202000.mmc: could not get clk, deferring probe
[ 0.850771] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.851394] ledtrig-cpu: registered to indicate activity on CPUs
[ 0.851545] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.851842] usbcore: registered new interface driver usbhid
[ 0.851852] usbhid: USB HID core driver
[ 0.852912] vchiq: vchiq_init_state: slot_zero = db580000, is_master = 0
[ 0.855352] [vc_sm_connected_init]: start
[ 0.866186] [vc_sm_connected_init]: end - returning 0
[ 0.867358] Initializing XFRM netlink socket
[ 0.867424] NET: Registered protocol family 17
[ 0.867608] Key type dns_resolver registered
[ 0.869717] registered taskstats version 1
[ 0.878670] uart-pl011 20201000.serial: cts_event_workaround enabled
[ 0.878829] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 0.882128] mmc-bcm2835 20300000.mmc: mmc_debug:0 mmc_debug2:0
[ 0.882149] mmc-bcm2835 20300000.mmc: DMA channel allocated
[ 0.944655] sdhost: log_buf @ db513000 (5b513000)
[ 0.980521] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 0.982272] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.984004] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.986997] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 1.012547] random: fast init done
[ 1.022993] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 1.024438] of_cfs_init
[ 1.024604] of_cfs_init: OK
[ 1.025778] Waiting for root device PARTUUID=4c0f4d91-02...
[ 1.073287] Indeed it is in host mode hprt0 = 00041901
[ 1.141835] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.144619] mmc0: new high speed SDHC card at address 0001
[ 1.145923] mmcblk0: mmc0:0001 SD32G 29.1 GiB
[ 1.151508] mmcblk0: p1 p2
[ 1.186777] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.186890] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 1.187339] mmc1: new high speed SDIO card at address 0001
[ 1.203212] devtmpfs: mounted
[ 1.206051] Freeing unused kernel memory: 440K
[ 1.206064] This architecture does not have kernel memory protection.
[ 1.283047] usb 1-1: new low-speed USB device number 2 using dwc_otg
[ 1.284106] Indeed it is in host mode hprt0 = 00041901
[ 1.527088] usb 1-1: New USB device found, idVendor=0513, idProduct=0318
[ 1.527115] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.539748] input: HID 0513:0318 as /devices/platform/soc/20980000.usb/usb1/1-1/1-1:1.0/0003:0513:0318.0001/input/input0
[ 1.604119] hid-generic 0003:0513:0318.0001: input,hidraw0: USB HID v1.10 Keyboard [HID 0513:0318] on usb-20980000.usb-1/input0
[ 1.623898] input: HID 0513:0318 as /devices/platform/soc/20980000.usb/usb1/1-1/1-1:1.1/0003:0513:0318.0002/input/input1
[ 1.693937] hid-generic 0003:0513:0318.0002: input,hidraw1: USB HID v1.10 Mouse [HID 0513:0318] on usb-20980000.usb-1/input1
[ 1.996167] systemd[1]: System time before build time, advancing clock.
[ 2.228694] NET: Registered protocol family 10
[ 2.230774] Segment Routing with IPv6
[ 2.254427] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2.300492] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.311333] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 2.312660] systemd[1]: Detected architecture arm.
[ 2.314912] systemd[1]: Set hostname to <raspberrypi>.
[ 2.395819] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.745763] random: systemd-cryptse: uninitialized urandom read (16 bytes read)
[ 3.721908] systemd[1]: Listening on Syslog Socket.
[ 3.723504] systemd[1]: Reached target Swap.
[ 3.724439] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[ 3.725598] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 3.727891] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ 3.755815] systemd[1]: Listening on Journal Socket (/dev/log).
[ 3.756841] systemd[1]: Listening on udev Control Socket.
[ 4.748502] i2c /dev entries driver
[ 6.939617] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 7.449997] systemd-journald[61]: Received request to flush runtime journal from PID 1
[ 10.730147] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 10.774235] bcm2835_alsa bcm2835_alsa: card created with 8 channels
[ 11.251091] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 11.283339] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac43430-sdio.bin for chip 0x00a9a6(43430) rev 0x000001
[ 11.283801] usbcore: registered new interface driver brcmfmac
[ 11.763598] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f
[ 11.765064] brcmfmac: brcmf_c_preinit_dcmds: CLM version = API: 12.2 Data: 7.11.15 Compiler: 1.24.2 ClmImport: 1.24.1 Creation: 2014-05-26 10:53:55 Inc Data: 9.10.39 Inc Compiler: 1.29.4 Inc ClmImport: 1.36.3 Creation: 2017-10-23 03:47:14
[ 16.061458] random: crng init done
[ 16.061488] random: 7 urandom warning(s) missed due to ratelimiting
[ 16.618040] uart-pl011 20201000.serial: no DMA platform data
[ 19.447481] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 21.331755] Bluetooth: Core ver 2.22
[ 21.331936] NET: Registered protocol family 31
[ 21.331946] Bluetooth: HCI device and connection manager initialized
[ 21.331975] Bluetooth: HCI socket layer initialized
[ 21.331991] Bluetooth: L2CAP socket layer initialized
[ 21.332042] Bluetooth: SCO socket layer initialized
[ 21.355454] Bluetooth: HCI UART driver ver 2.3
[ 21.355472] Bluetooth: HCI UART protocol H4 registered
[ 21.355477] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 21.366554] Bluetooth: HCI UART protocol Broadcom registered
[ 22.347741] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 22.347756] Bluetooth: BNEP filters: protocol multicast
[ 22.347785] Bluetooth: BNEP socket layer initialized
[ 23.043164] Bluetooth: RFCOMM TTY layer initialized
[ 23.043206] Bluetooth: RFCOMM socket layer initialized
[ 23.043247] Bluetooth: RFCOMM ver 1.11
[ 24.047831] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 24.047880] brcmfmac: power management disabled
[ 42.613098] fuse init (API version 7.26)
pi@raspberrypi:~ $ ls /dev/dvb
ls: невозможно получить доступ к '/dev/dvb': Нет такого файла или каталога
pi@raspberrypi:~ $