Thanks @benedict.hewson unfortunately i dont see anything in dmesg that relates to this issue:
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.19.94-ti-r42 (voodoo@x3-am57xx-beagle-x15-2gb) (gcc version 8.3.0 (Debian 8.3.0-6)) #1buster SMP PREEMPT Tue Mar 31 19:38:29 UTC 2020
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: TI AM335x BeagleBone Black
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] cma: Reserved 48 MiB at 0x9c800000
[ 0.000000] On node 0 totalpages: 130560
[ 0.000000] Normal zone: 1148 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 130560 pages, LIFO batch:31
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES2.1 (sgx neon)
[ 0.000000] random: get_random_bytes called from start_kernel+0xac/0x4b4 with crng_init=0
[ 0.000000] percpu: Embedded 17 pages/cpu s38988 r8192 d22452 u69632
[ 0.000000] pcpu-alloc: s38988 r8192 d22452 u69632 alloc=17*4096
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 129412
[ 0.000000] Kernel command line: console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet
[ 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: 438400K/522240K available (13312K kernel code, 1136K rwdata, 4308K rodata, 1024K init, 350K bss, 34688K reserved, 49152K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xe0000000 - 0xff800000 ( 504 MB)
lowmem : 0xc0000000 - 0xdfe00000 ( 510 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.text : 0x(ptrval) - 0x(ptrval) (14304 kB)
.init : 0x(ptrval) - 0x(ptrval) (1024 kB)
.data : 0x(ptrval) - 0x(ptrval) (1137 kB)
.bss : 0x(ptrval) - 0x(ptrval) ( 351 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 42043 entries in 124 pages
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
[ 0.000000] Tasks RCU enabled.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] IRQ: Found an INTC at 0x(ptrval) (revision 5.0) with 128 interrupts
[ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[ 0.000017] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000034] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000044] OMAP clocksource: timer1 at 24000000 Hz
[ 0.000747] timer_probe: no matching timers found
[ 0.000974] Console: colour dummy device 80x30
[ 0.001001] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
[ 0.001005] This ensures that you still see kernel messages. Please
[ 0.001010] update your kernel commandline.
[ 0.001070] Calibrating delay loop (skipped) preset value.. 995.32 BogoMIPS (lpj=1990656)
[ 0.001085] pid_max: default: 32768 minimum: 301
[ 0.001364] Security Framework initialized
[ 0.001379] Yama: becoming mindful.
[ 0.001523] AppArmor: AppArmor initialized
[ 0.001631] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.001643] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.002743] CPU: Testing write buffer coherency: ok
[ 0.002809] CPU0: Spectre v2: using BPIALL workaround
[ 0.003404] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[ 0.027027] Setting up static identity map for 0x80100000 - 0x80100060
[ 0.034937] rcu: Hierarchical SRCU implementation.
[ 0.050952] smp: Bringing up secondary CPUs ...
[ 0.050970] smp: Brought up 1 node, 1 CPU
[ 0.050982] SMP: Total of 1 processors activated (995.32 BogoMIPS).
[ 0.050988] CPU: All CPU(s) started in SVC mode.
[ 0.052710] devtmpfs: initialized
[ 0.067326] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.067950] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.067974] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.071943] xor: automatically using best checksumming function neon
[ 0.071960] pinctrl core: initialized pinctrl subsystem
[ 0.073274] NET: Registered protocol family 16
[ 0.078494] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.114469] l4_wkup_cm:clk:0010:0: failed to disable
[ 0.154638] audit: initializing netlink subsys (disabled)
[ 0.159046] audit: type=2000 audit(0.148:1): state=initialized audit_enabled=0 res=1
[ 0.163696] OMAP GPIO hardware version 0.1
[ 0.176453] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.203087] raid6: using algorithm neonx8 gen() 0 MB/s
[ 0.203100] raid6: .... xor() 0 MB/s, rmw enabled
[ 0.203107] raid6: using neon recovery algorithm
[ 0.210372] edma 49000000.edma: TI EDMA DMA engine driver
[ 0.213912] SCSI subsystem initialized
[ 0.215099] libata version 3.00 loaded.
[ 0.215414] usbcore: registered new interface driver usbfs
[ 0.215489] usbcore: registered new interface driver hub
[ 0.215608] usbcore: registered new device driver usb
[ 0.217806] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz
[ 0.218181] pps_core: LinuxPPS API ver. 1 registered
[ 0.218189] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.218212] PTP clock support registered
[ 0.219149] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 0.223286] Advanced Linux Sound Architecture Driver Initialized.
[ 0.224106] NetLabel: Initializing
[ 0.224116] NetLabel: domain hash size = 128
[ 0.224121] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 0.224210] NetLabel: unlabeled traffic allowed by default
[ 0.225279] clocksource: Switched to clocksource timer1
[ 0.387604] VFS: Disk quotas dquot_6.6.0
[ 0.387710] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.388592] AppArmor: AppArmor Filesystem Enabled
[ 0.400732] NET: Registered protocol family 2
[ 0.401867] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
[ 0.401906] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.401947] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.402006] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.402144] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.402165] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.402548] NET: Registered protocol family 1
[ 0.415706] RPC: Registered named UNIX socket transport module.
[ 0.415717] RPC: Registered udp transport module.
[ 0.415722] RPC: Registered tcp transport module.
[ 0.415727] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.416365] Unpacking initramfs...
[ 0.810883] Freeing initrd memory: 6884K
[ 0.811747] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 0.814592] Initialise system trusted keyrings
[ 0.814989] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 0.822207] zbud: loaded
[ 0.829586] NFS: Registering the id_resolver key type
[ 0.829631] Key type id_resolver registered
[ 0.829638] Key type id_legacy registered
[ 0.829656] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.830009] fuse init (API version 7.27)
[ 0.840537] Key type asymmetric registered
[ 0.840550] Asymmetric key parser 'x509' registered
[ 0.840647] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[ 0.845017] io scheduler noop registered
[ 0.845030] io scheduler deadline registered
[ 0.845530] io scheduler cfq registered (default)
[ 0.845541] io scheduler mq-deadline registered
[ 0.847753] pinctrl-single 44e10800.pinmux: 142 pins, size 568
[ 0.849017] gpio-of-helper ocp:cape-universal: ready
[ 0.852706] Serial: 8250/16550 driver, 6 ports, IRQ sharing disabled
[ 0.856234] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 30, base_baud = 3000000) is a 8250
[ 0.866357] console [ttyS0] enabled
[ 0.869010] omap_rng 48310000.rng: Random Number Generator ver. 20
[ 0.869776] sdhci: Secure Digital Host Controller Interface driver
[ 0.869785] sdhci: Copyright(c) Pierre Ossman
[ 0.870220] omap_gpio 44e07000.gpio: Could not set line 6 debounce to 200000 microseconds (-22)
[ 0.870230] omap_hsmmc 48060000.mmc: Got CD GPIO
[ 0.870819] omap_hsmmc 48060000.mmc: Linked as a consumer to regulator.1
[ 0.871200] random: fast init done
[ 0.871561] random: crng init done
[ 0.897170] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.932539] mmc0: host does not support reading read-only switch, assuming write-enable
[ 0.934399] mmc0: new high speed SDHC card at address 1234
[ 0.939784] mmcblk0: mmc0:1234 SA16G 14.5 GiB
[ 0.946075] mmcblk0: p1
[ 1.020162] libphy: Fixed MDIO Bus: probed
[ 1.021170] CAN device driver interface
[ 1.073328] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6, bus freq 1000000
[ 1.073343] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
[ 1.073726] MDIO: davinci_mdio: dt: updated phy_id[0] from phy_mask[fffffffe]
[ 1.091629] libphy: 4a101000.mdio: probed
[ 1.091659] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
[ 1.092741] cpsw 4a100000.ethernet: Detected MACID = 3c:e4:b0:02:83:53
[ 1.092892] cpsw 4a100000.ethernet: initialized cpsw ale version 1.4
[ 1.092902] cpsw 4a100000.ethernet: ALE Table size 1024
[ 1.092944] cpsw 4a100000.ethernet: cpts: overflow check period 1250 (jiffies)
[ 1.095130] usbcore: registered new interface driver smsc95xx
[ 1.096034] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.096097] ehci-platform: EHCI generic platform driver
[ 1.096291] ehci-omap: OMAP-EHCI Host Controller driver
[ 1.096807] usbcore: registered new interface driver usb-storage
[ 1.099682] am335x-phy-driver 47401300.usb-phy: 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.099854] am335x-phy-driver 47401300.usb-phy: Linked as a consumer to regulator.0
[ 1.102987] am335x-phy-driver 47401b00.usb-phy: 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 1.103166] am335x-phy-driver 47401b00.usb-phy: Linked as a consumer to regulator.0
[ 1.106583] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 1.106625] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
[ 1.106938] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 1.106948] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.106955] usb usb1: Product: MUSB HDRC host driver
[ 1.106962] usb usb1: Manufacturer: Linux 4.19.94-ti-r42 musb-hcd
[ 1.106970] usb usb1: SerialNumber: musb-hdrc.1
[ 1.107801] hub 1-0:1.0: USB hub found
[ 1.107859] hub 1-0:1.0: 1 port detected
[ 1.118901] omap_rtc 44e3e000.rtc: already running
[ 1.119573] omap_rtc 44e3e000.rtc: registered as rtc0
[ 1.120829] i2c /dev entries driver
[ 1.123691] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.124161] softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
[ 1.126909] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.127332] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
[ 1.127662] omap-aes 53500000.aes: will run requests pump with realtime priority
[ 1.129990] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
[ 1.133202] hidraw: raw HID events driver (C) Jiri Kosina
[ 1.137031] gnss: GNSS driver registered with major 242
[ 1.142992] NET: Registered protocol family 10
[ 1.213013] Segment Routing with IPv6
[ 1.213166] mip6: Mobile IPv6
[ 1.213481] NET: Registered protocol family 17
[ 1.213513] can: controller area network core (rev 20170425 abi 9)
[ 1.213607] NET: Registered protocol family 29
[ 1.213685] 8021q: 802.1Q VLAN Support v1.8
[ 1.213774] Key type dns_resolver registered
[ 1.213781] mpls_gso: MPLS GSO support
[ 1.214091] ThumbEE CPU extension supported.
[ 1.214107] Registering SWP/SWPB emulation handler
[ 1.214117] omap_voltage_late_init: Voltage driver support not added
[ 1.222511] registered taskstats version 1
[ 1.222523] Loading compiled-in X.509 certificates
[ 1.222655] zswap: loaded using pool lzo/zbud
[ 1.226112] Btrfs loaded, crc32c=crc32c-generic
[ 1.226227] AppArmor: AppArmor sha1 policy hashing enabled
[ 1.278605] tps6521x_pwrbutton tps65217-pwrbutton: DMA mask not set
[ 1.279430] input: tps65217_pwr_but as /devices/platform/ocp/44e0b000.i2c/i2c-0/0-0024/tps65217-pwrbutton/input/input0
[ 1.280409] tps65217 0-0024: TPS65217 ID 0xe version 1.2
[ 1.281467] at24 0-0050: 32768 byte 24c256 EEPROM, writable, 1 bytes/write
[ 1.281580] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[ 1.285915] cpu cpu0: Linked as a consumer to regulator.3
[ 1.286024] cpu cpu0: Dropping the link to regulator.3
[ 1.286534] cpu cpu0: Linked as a consumer to regulator.3
[ 1.288429] omap_rtc 44e3e000.rtc: setting system clock to 2022-12-23 21:45:55 UTC (1671831955)
[ 1.289192] ALSA device list:
[ 1.289200] No soundcards found.
[ 1.295582] Freeing unused kernel memory: 1024K
[ 1.296306] Run /init as init process
[ 4.916276] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)
[ 5.704284] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid)
[ 5.705014] systemd[1]: Detected architecture arm.
[ 5.731433] systemd[1]: Set hostname to <beaglebone>.
[ 7.148139] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ 7.149126] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ 7.150496] systemd[1]: Listening on fsck to fsckd communication Socket.
[ 7.150677] systemd[1]: Reached target Swap.
[ 7.151707] systemd[1]: Listening on udev Control Socket.
[ 7.152417] systemd[1]: Listening on udev Kernel Socket.
[ 7.155122] systemd[1]: Created slice User and Session Slice.
[ 8.065795] EXT4-fs (mmcblk0p1): re-mounted. Opts: errors=remount-ro
[ 8.970419] systemd-journald[342]: Received request to flush runtime journal from PID 1
[ 15.257925] net eth0: initializing cpsw version 1.12 (0)
[ 15.330803] SMSC LAN8710/LAN8720 4a101000.mdio:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=4a101000.mdio:00, irq=POLL)
[ 15.346440] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 15.346461] 8021q: adding VLAN 0 to HW filter on device eth0
[ 18.442916] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
[ 18.443009] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 20.229229] using random self ethernet address
[ 20.229434] using random host ethernet address
[ 20.691679] Mass Storage Function, version: 2009/09/11
[ 20.691703] LUN: removable file: (no medium)
[ 21.192722] using random self ethernet address
[ 21.192741] using random host ethernet address
[ 21.474305] usb0: HOST MAC 3c:e4:b0:02:83:56
[ 21.476557] usb0: MAC 3c:e4:b0:02:83:55
[ 21.489868] usb1: HOST MAC 3c:e4:b0:02:83:58
[ 21.490308] usb1: MAC 3c:e4:b0:02:83:59
[ 21.801661] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready
[ 22.021828] IPv6: ADDRCONF(NETDEV_UP): usb1: link is not ready
[ 35.232339] remoteproc remoteproc0: wkup_m3 is available
[ 35.357620] remoteproc remoteproc0: powering up wkup_m3
[ 35.357654] remoteproc remoteproc0: Booting fw image am335x-pm-firmware.elf, size 217168
[ 35.357954] remoteproc remoteproc0: remote processor wkup_m3 is now up
[ 35.357985] wkup_m3_ipc 44e11324.wkup_m3_ipc: CM3 Firmware Version = 0x193
[ 35.510909] PM: bootloader does not support rtc-only!
This is how my P0[] overlay looks like:
/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
/plugin/;
/ { compatible = "ti,beaglebone", "ti,beaglebone-black";
/* identification */
part-number = "pinctrl-tbox-0";
fragment@0 {
target = <&am33xx_pinmux>;
__overlay__ {
pinctrl_tbox: pinctrl_tbox_0_pins {
pinctrl-single,pins = <
0x018 0x27 /* P8_3 INPUT PULLDOWN | /sys/class/gpio/gpio38/ | MODE7 */
0x008 0x27 /* P8_5 INPUT PULLDOWN | /sys/class/gpio/gpio34/ | MODE7 */
0x090 0x27 /* P8_7 INPUT PULLDOWN | /sys/class/gpio/gpio66/ | MODE7 */
0x09c 0x27 /* P8_9 INPUT PULLDOWN | /sys/class/gpio/gpio69/ | MODE7 */
0x034 0x27 /* P8_11 INPUT PULLDOWN | /sys/class/gpio/gpio45/ | MODE7 */
0x024 0x27 /* P8_13 INPUT PULLDOWN | /sys/class/gpio/gpio23/ | MODE7 */
0x03c 0x27 /* P8_15 INPUT PULLDOWN | /sys/class/gpio/gpio47/ | MODE7 */
0x02c 0x27 /* P8_17 INPUT PULLDOWN | /sys/class/gpio/gpio27/ | MODE7 */
0x020 0x27 /* P8_19 INPUT PULLDOWN | /sys/class/gpio/gpio22/ | MODE7 */
0x080 0x27 /* P8_21 INPUT PULLDOWN | /sys/class/gpio/gpio62/ | MODE7 */
0x010 0x27 /* P8_23 INPUT PULLDOWN | /sys/class/gpio/gpio36/ | MODE7 */
0x000 0x27 /* P8_25 INPUT PULLDOWN | /sys/class/gpio/gpio32/ | MODE7 */
0x0e0 0x27 /* P8_27 INPUT PULLDOWN | /sys/class/gpio/gpio86/ | MODE7 */
0x0e4 0x27 /* P8_29 INPUT PULLDOWN | /sys/class/gpio/gpio87/ | MODE7 */
0x0d8 0x27 /* P8_31 INPUT PULLDOWN | /sys/class/gpio/gpio10/ | MODE7 */
0x0d4 0x27 /* P8_33 INPUT PULLDOWN | /sys/class/gpio/gpio9/ | MODE7 */
0x0d0 0x27 /* P8_35 INPUT PULLDOWN | /sys/class/gpio/gpio8/ | MODE7 */
0x0c0 0x27 /* P8_37 INPUT PULLDOWN | /sys/class/gpio/gpio78/ | MODE7 */
0x0b8 0x27 /* P8_39 INPUT PULLDOWN | /sys/class/gpio/gpio76/ | MODE7 */
0x0b0 0x27 /* P8_41 INPUT PULLDOWN | /sys/class/gpio/gpio74/ | MODE7 */
0x0a8 0x27 /* P8_43 INPUT PULLDOWN | /sys/class/gpio/gpio72/ | MODE7 */
0x0a0 0x27 /* P8_45 INPUT PULLDOWN | /sys/class/gpio/gpio70/ | MODE7 */
0x01c 0x7 /* P8_4 OUTPUT PULLDOWN | /sys/class/gpio/gpio39/ | MODE7 */
0x00c 0x7 /* P8_6 OUTPUT PULLDOWN | /sys/class/gpio/gpio35/ | MODE7 */
0x094 0x7 /* P8_8 OUTPUT PULLDOWN | /sys/class/gpio/gpio67/ | MODE7 */
0x098 0x7 /* P8_10 OUTPUT PULLDOWN | /sys/class/gpio/gpio68/ | MODE7 */
0x030 0x7 /* P8_12 OUTPUT PULLDOWN | /sys/class/gpio/gpio44/ | MODE7 */
0x028 0x7 /* P8_14 OUTPUT PULLDOWN | /sys/class/gpio/gpio26/ | MODE7 */
0x038 0x7 /* P8_16 OUTPUT PULLDOWN | /sys/class/gpio/gpio46/ | MODE7 */
0x08c 0x7 /* P8_18 OUTPUT PULLDOWN | /sys/class/gpio/gpio65/ | MODE7 */
0x084 0x7 /* P8_20 OUTPUT PULLDOWN | /sys/class/gpio/gpio63/ | MODE7 */
0x014 0x7 /* P8_22 OUTPUT PULLDOWN | /sys/class/gpio/gpio37/ | MODE7 */
0x004 0x7 /* P8_24 OUTPUT PULLDOWN | /sys/class/gpio/gpio33/ | MODE7 */
0x07c 0x7 /* P8_26 OUTPUT PULLDOWN | /sys/class/gpio/gpio61/ | MODE7 */
0x0e8 0x7 /* P8_28 OUTPUT PULLDOWN | /sys/class/gpio/gpio88/ | MODE7 */
0x0ec 0x7 /* P8_30 OUTPUT PULLDOWN | /sys/class/gpio/gpio89/ | MODE7 */
0x0dc 0x7 /* P8_32 OUTPUT PULLDOWN | /sys/class/gpio/gpio11/ | MODE7 */
0x0cc 0x7 /* P8_34 OUTPUT PULLDOWN | /sys/class/gpio/gpio81/ | MODE7 */
0x0c8 0x7 /* P8_36 OUTPUT PULLDOWN | /sys/class/gpio/gpio80/ | MODE7 */
0x0c4 0x7 /* P8_38 OUTPUT PULLDOWN | /sys/class/gpio/gpio79/ | MODE7 */
0x0bc 0x7 /* P8_40 OUTPUT PULLDOWN | /sys/class/gpio/gpio77/ | MODE7 */
0x0b4 0x7 /* P8_42 OUTPUT PULLDOWN | /sys/class/gpio/gpio75/ | MODE7 */
0x0ac 0x7 /* P8_44 OUTPUT PULLDOWN | /sys/class/gpio/gpio73/ | MODE7 */
0x0a4 0x7 /* P8_46 OUTPUT PULLDOWN | /sys/class/gpio/gpio71/ | MODE7 */
>;
};
};
};
fragment@1 {
target = <&ocp>;
__overlay__ {
test_helper: helper {
compatible = "bone-pinmux-helper";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_tbox>;
status = "okay";
};
};
};
};
And this is what my GPIO38 states right after i boot OS and export pin:
cd /sys/class/gpio/gpio38/
root@beaglebone:/sys/class/gpio/gpio38# cat value
1
and my version script:
root@beaglebone:/opt/scripts/tools# ./version.sh
git:/opt/scripts/:[b39ec679648a6be8f25f48bd1c9784c1fc5a0c46]
eeprom:[A335BNLT00C02212SBB24899]
model:[TI_AM335x_BeagleBone_Black]
dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06]
bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot 2019.04-00002-g07d5700e21]:[location: dd MBR]
UBOOT: Booted Device-Tree:[am335x-boneblack-uboot.dts]
kernel:[4.19.94-ti-r42]
nodejs:[v10.15.2]
device-tree-override:[dtb=am335x-boneblack-overlay.dtb]
/boot/uEnv.txt Settings:
uboot_overlay_options:[enable_uboot_overlays=1]
uboot_overlay_options:[uboot_overlay_addr0=/lib/firmware/TBOX-00A0.dtbo]
uboot_overlay_options:[disable_uboot_overlay_emmc=1]
uboot_overlay_options:[disable_uboot_overlay_video=1]
uboot_overlay_options:[disable_uboot_overlay_audio=1]
uboot_overlay_options:[disable_uboot_overlay_wireless=1]
uboot_overlay_options:[disable_uboot_overlay_adc=1]
uboot_overlay_options:[enable_uboot_cape_universal=0]
pkg check: to individually upgrade run: [sudo apt install --only-upgrade <pkg>]
pkg:[bb-cape-overlays]:[4.14.20210821.0-0~buster+20210821]
pkg:[bb-wl18xx-firmware]:[1.20200322.0-0rcnee0~buster+20200322]
pkg:[kmod]:[26-1]
pkg:[librobotcontrol]:[1.0.4-git20190227.1-0rcnee0~buster+20190327]
pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~buster+20200305]
groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev users systemd-journal bluetooth netdev i2c gpio pwm eqep remoteproc admin spi iio docker tisdk weston-launch xenomai cloud9ide]
cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet]
dmesg | grep remote
[ 35.232339] remoteproc remoteproc0: wkup_m3 is available
[ 35.357620] remoteproc remoteproc0: powering up wkup_m3
[ 35.357654] remoteproc remoteproc0: Booting fw image am335x-pm-firmware.elf, size 217168
[ 35.357954] remoteproc remoteproc0: remote processor wkup_m3 is now up
dmesg | grep pru
dmesg | grep pinctrl-single
[ 0.847753] pinctrl-single 44e10800.pinmux: 142 pins, size 568
dmesg | grep gpio-of-helper
[ 0.849017] gpio-of-helper ocp:cape-universal: ready
lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
END
and my show-pins.pl:
root@beaglebone:/sys/kernel/debug/pinctrl/44e10800.pinmux-pinctrl-single# /opt/scripts/device/bone/show-pins.pl
P8.25 / eMMC d0 0 U7 fast rx down 7 gpio 1.00 ocp/helper (pinctrl_tbox_0_pins)
P8.24 / eMMC d1 1 V7 fast down 7 gpio 1.01 ocp/helper (pinctrl_tbox_0_pins)
P8.05 / eMMC d2 2 R8 fast rx down 7 gpio 1.02 ocp/helper (pinctrl_tbox_0_pins)
P8.06 / eMMC d3 3 T8 fast down 7 gpio 1.03 ocp/helper (pinctrl_tbox_0_pins)
P8.23 / eMMC d4 4 U8 fast rx down 7 gpio 1.04 ocp/helper (pinctrl_tbox_0_pins)
P8.22 / eMMC d5 5 V8 fast down 7 gpio 1.05 ocp/helper (pinctrl_tbox_0_pins)
P8.03 / eMMC d6 6 R9 fast rx down 7 gpio 1.06 ocp/helper (pinctrl_tbox_0_pins)
P8.04 / eMMC d7 7 T9 fast down 7 gpio 1.07 ocp/helper (pinctrl_tbox_0_pins)
P8.19 8 U10 fast rx down 7 gpio 0.22 ocp/helper (pinctrl_tbox_0_pins)
P8.13 9 T10 fast rx down 7 gpio 0.23 ocp/helper (pinctrl_tbox_0_pins)
P8.14 10 T11 fast down 7 gpio 0.26 ocp/helper (pinctrl_tbox_0_pins)
P8.17 11 U12 fast rx down 7 gpio 0.27 ocp/helper (pinctrl_tbox_0_pins)
P8.12 12 T12 fast down 7 gpio 1.12 ocp/helper (pinctrl_tbox_0_pins)
P8.11 13 R12 fast rx down 7 gpio 1.13 ocp/helper (pinctrl_tbox_0_pins)
P8.16 14 V13 fast down 7 gpio 1.14 ocp/helper (pinctrl_tbox_0_pins)
P8.15 15 U13 fast rx down 7 gpio 1.15 ocp/helper (pinctrl_tbox_0_pins)
P9.15 16 R13 fast rx down 7 gpio 1.16
P9.23 17 V14 fast rx down 7 gpio 1.17
P9.14 18 U14 fast rx down 7 gpio 1.18
P9.16 19 T14 fast rx down 7 gpio 1.19
P9.11 28 T17 fast rx up 7 gpio 0.30
P9.13 29 U17 fast rx up 7 gpio 0.31
P9.12 30 U18 fast rx up 7 gpio 1.28
P8.26 31 V6 fast down 7 gpio 1.29 ocp/helper (pinctrl_tbox_0_pins)
P8.21 / eMMC clk 32 U9 fast rx down 7 gpio 1.30 ocp/helper (pinctrl_tbox_0_pins)
P8.20 / eMMC cmd 33 V9 fast down 7 gpio 1.31 ocp/helper (pinctrl_tbox_0_pins)
P9.15 34 T13 fast rx up 7 gpio 2.00
P8.18 35 V12 fast down 7 gpio 2.01 ocp/helper (pinctrl_tbox_0_pins)
P8.07 36 R7 fast rx down 7 gpio 2.02 ocp/helper (pinctrl_tbox_0_pins)
P8.08 37 T7 fast down 7 gpio 2.03 ocp/helper (pinctrl_tbox_0_pins)
P8.10 38 U6 fast down 7 gpio 2.04 ocp/helper (pinctrl_tbox_0_pins)
P8.09 39 T6 fast rx down 7 gpio 2.05 ocp/helper (pinctrl_tbox_0_pins)
P8.45 / hdmi / sysboot 0 40 R1 fast rx down 7 gpio 2.06 ocp/helper (pinctrl_tbox_0_pins)
P8.46 / hdmi / sysboot 1 41 R2 fast down 7 gpio 2.07 ocp/helper (pinctrl_tbox_0_pins)
P8.43 / hdmi / sysboot 2 42 R3 fast rx down 7 gpio 2.08 ocp/helper (pinctrl_tbox_0_pins)
P8.44 / hdmi / sysboot 3 43 R4 fast down 7 gpio 2.09 ocp/helper (pinctrl_tbox_0_pins)
P8.41 / hdmi / sysboot 4 44 T1 fast rx down 7 gpio 2.10 ocp/helper (pinctrl_tbox_0_pins)
P8.42 / hdmi / sysboot 5 45 T2 fast down 7 gpio 2.11 ocp/helper (pinctrl_tbox_0_pins)
P8.39 / hdmi / sysboot 6 46 T3 fast rx down 7 gpio 2.12 ocp/helper (pinctrl_tbox_0_pins)
P8.40 / hdmi / sysboot 7 47 T4 fast down 7 gpio 2.13 ocp/helper (pinctrl_tbox_0_pins)
P8.37 / hdmi / sysboot 8 48 U1 fast rx down 7 gpio 2.14 ocp/helper (pinctrl_tbox_0_pins)
P8.38 / hdmi / sysboot 9 49 U2 fast down 7 gpio 2.15 ocp/helper (pinctrl_tbox_0_pins)
P8.36 / hdmi / sysboot 10 50 U3 fast down 7 gpio 2.16 ocp/helper (pinctrl_tbox_0_pins)
P8.34 / hdmi / sysboot 11 51 U4 fast down 7 gpio 2.17 ocp/helper (pinctrl_tbox_0_pins)
P8.35 / hdmi / sysboot 12 52 V2 fast rx down 7 gpio 0.08 ocp/helper (pinctrl_tbox_0_pins)
P8.33 / hdmi / sysboot 13 53 V3 fast rx down 7 gpio 0.09 ocp/helper (pinctrl_tbox_0_pins)
P8.31 / hdmi / sysboot 14 54 V4 fast rx down 7 gpio 0.10 ocp/helper (pinctrl_tbox_0_pins)
P8.32 / hdmi / sysboot 15 55 T5 fast down 7 gpio 0.11 ocp/helper (pinctrl_tbox_0_pins)
P8.27 / hdmi 56 U5 fast rx down 7 gpio 2.22 ocp/helper (pinctrl_tbox_0_pins)
P8.29 / hdmi 57 R5 fast rx down 7 gpio 2.23 ocp/helper (pinctrl_tbox_0_pins)
P8.28 / hdmi 58 V5 fast down 7 gpio 2.24 ocp/helper (pinctrl_tbox_0_pins)
P8.30 / hdmi 59 R6 fast down 7 gpio 2.25 ocp/helper (pinctrl_tbox_0_pins)
P9.22 / spi boot clk 84 A17 fast rx up 7 gpio 0.02
P9.21 / spi boot in 85 B17 fast rx up 7 gpio 0.03
P9.18 / spi boot out 86 B16 fast rx up 7 gpio 0.04
P9.17 / spi boot cs 87 A16 fast rx up 7 gpio 0.05
P9.42a 89 C18 fast rx down 7 gpio 0.07
P9.20 / cape i²c sda 94 D18 fast rx up 3 i²c 2 sda ocp/P9_20_pinmux (pinmux_P9_20_default_pin)
P9.19 / cape i²c scl 95 D17 fast rx up 3 i²c 2 scl ocp/P9_19_pinmux (pinmux_P9_19_default_pin)
P9.26 96 D16 fast rx up 7 gpio 0.14
P9.24 97 D15 fast rx up 7 gpio 0.15
P9.31 / hdmi audio clk 100 A13 fast rx down 7 gpio 3.14
P9.29 / hdmi audio fs 101 B13 fast rx down 7 gpio 3.15
P9.30 102 D12 fast rx down 7 gpio 3.16
P9.28 / hdmi audio data 103 C12 fast rx down 7 gpio 3.17
P9.42b 104 B12 fast rx down 7 gpio 3.18
P9.27 105 C13 fast rx down 7 gpio 3.19
P9.41 106 D13 fast rx down 7 gpio 3.20
P9.25 / audio osc 107 A14 fast rx down 7 gpio 3.21
P9.41 / jtag emu3 109 D14 fast rx down 7 gpio 0.20