[PATCH v3 1/4] cmd: bind: Add unbind command with driver filter

Miquel Raynal miquel.raynal at bootlin.com
Mon Jul 31 15:58:57 CEST 2023


Hi Marek,

marex at denx.de wrote on Mon, 31 Jul 2023 15:50:58 +0200:

> On 7/31/23 15:36, Miquel Raynal wrote:
> > Hi Marek,
> > 
> > marex at denx.de wrote on Mon, 31 Jul 2023 13:44:25 +0200:
> >   
> >> On 7/31/23 11:31, Miquel Raynal wrote:  
> >>> Hi Marek,
> >>>
> >>> marex at denx.de wrote on Sat, 29 Jul 2023 16:57:09 +0200:  
> >>>    >>>> Extend the driver core to perform lookup by both OF node and driver  
> >>>> bound to the node. Use this to look up specific device instances to
> >>>> unbind from nodes in the unbind command. One example where this is
> >>>> needed is USB peripheral controller, which may have multiple gadget
> >>>> drivers bound to it. The unbind command has to select that specific
> >>>> gadget driver instance to unbind from the controller, not unbind the
> >>>> controller driver itself from the controller.
> >>>>
> >>>> USB ethernet gadget usage looks as follows with this change. Notice
> >>>> the extra 'usb_ether' addition in the 'unbind' command at the end.
> >>>> "
> >>>> bind /soc/usb-otg at 49000000 usb_ether
> >>>> setenv ethact usb_ether
> >>>> setenv loadaddr 0xc2000000
> >>>> setenv ipaddr 10.0.0.2
> >>>> setenv serverip 10.0.0.1
> >>>> setenv netmask 255.255.255.0
> >>>> tftpboot 0xc2000000 10.0.0.1:test.file
> >>>> unbind /soc/usb-otg at 49000000 usb_ether
> >>>> "
> >>>>
> >>>> Signed-off-by: Marek Vasut <marex at denx.de>
> >>>> ---  
> >>>
> >>> I am no longer getting wrong pointer dereferences, the SPL is working in
> >>> recovery mode, TFTP "File not found" errors are no longer a problem and
> >>> I did not experience any reset while tftp'ing regular files.
> >>>
> >>> One last remaining request on my side is the need for using fastboot as
> >>> well which does no longer work as-is:  
> >>>    >>> => fastboot usb 0  
> >>> couldn't find an available UDC
> >>> g_dnl_register: failed!, error: -19
> >>> exit not allowed from main input shell.
> >>>
> >>> Can you advise what bind/unbind command would be necessary here?  
> >>
> >> Either 'unbind usb_ether' or run 'dm tree' -> look up the path to usb_ether in the tree (it will be hanging under usb_peripheral or some such), and then use 'unbind <that path>'.  
> > 
> > Nice `dm tree` command, never used it before.
> > 
> > Even when I unbind usb_ether I still get the same error:
> >   
> > => unbind /ocp/usb at 47400000/usb at 47401000
> > => fastboot usb 0  
> > couldn't find an available UDC
> > g_dnl_register: failed!, error: -19
> > exit not allowed from main input shell.
> > 
> > Is there a specific gadget driver which I should bind again manually?  
> 
> Can you share the output of dm tree before/after unbind ?
> 
> fastboot should auto-bind to the right thing.

Ok. Apparently it does not, but I don't have any clue why. If you want
me to check something else I will. Here is the output:

U-Boot 2023.07-00806-g979e7443428 (Jul 31 2023 - 11:17:06 +0200)

CPU  : AM335X-GP rev 2.1
Model: TI AM335x BeagleBone Black
DRAM:  512 MiB
Core:  160 devices, 18 uclasses, devicetree: separate
WDT:   Started wdt at 44e35000 with servicing every 1000ms (60s timeout)
NAND:  0 MiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
Loading Environment from FAT... Unable to read "uboot.env" from mmc1:1... 
<ethaddr> not set. Validating first E-fuse MAC
Net:   Could not get PHY for ethernet at 4a100000: addr 0
eth2: ethernet at 4a100000using musb-hdrc, OUT ep1out IN ep1in STATUS ep2in
MAC de:ad:be:ef:00:01
HOST MAC de:ad:be:ef:00:00
RNDIS ready
, eth3: usb_ether
=> dm tree
 Class     Index  Probed  Driver                Name
-----------------------------------------------------------
 root          0  [ + ]   root_driver           root_driver
 rsa_mod_ex    0  [   ]   mod_exp_sw            |-- mod_exp_sw
 simple_bus    0  [ + ]   simple_bus            |-- ocp
 simple_bus    1  [ + ]   simple_bus            |   |-- l4_wkup at 44c00000
 simple_bus    2  [   ]   simple_bus            |   |   |-- segment at 0
 simple_bus    3  [   ]   simple_bus            |   |   |-- segment at 100000
 simple_bus    4  [ + ]   simple_bus            |   |   `-- segment at 200000
 simple_bus    5  [ + ]   ti_sysc               |   |       |-- target-module at 0
 simple_bus    6  [ + ]   simple_bus            |   |       |   `-- prcm at 0
 simple_bus    7  [   ]   simple_bus            |   |       |       |-- clocks
 clk           0  [   ]   fixed_clock           |   |       |       |   |-- clock-clk-32768
 clk           1  [   ]   fixed_clock           |   |       |       |   |-- clock-clk-rc32k
 clk           2  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-192000
00
 clk           3  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-240000
00
 clk           4  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-250000
00
 clk           5  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-260000
00
 clk           6  [   ]   fixed_clock           |   |       |       |   |-- clock-tclkin
 clk           7  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-ddr-m2
-div2
 clk           8  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-per-m2
-div4-wkupdm
 clk           9  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-per-m2
-div4
 clk          10  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-clk-24mhz
 clk          11  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-clkdiv32k
 clk          12  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l3-gclk
 clk          13  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-core-m
4-div2
 clk          14  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4-rtc-gclk
 clk          15  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4hs-gclk
 clk          16  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l3s-gclk
 clk          17  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4fw-gclk
 clk          18  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4ls-gclk
 clk          19  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-sysclk-div
 clk          20  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-cpsw-125mhz
-gclk
 clk          21  [   ]   fixed_factor_clock    |   |       |       |   `-- clock-mmc
 simple_bus    8  [   ]   ti_omap4_cm           |   |       |       |-- clock at 0
 clk          22  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 38
 clk          23  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 1c
 clk          24  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 24
 clk          25  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 120
 clk          26  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at e8
 clk          27  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          28  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 18
 clk          29  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14c
 clk          30  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 38
 clk          31  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 1c
 clk          32  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 24
 clk          33  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 120
 clk          34  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at e8
 clk          35  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          36  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 18
 clk          37  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 14c
 simple_bus    9  [ + ]   ti_omap4_cm           |   |       |       |-- clock at 400
 clk          38  [ + ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          39  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14
 clk          40  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at b0
 clk          41  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          42  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14
 clk          43  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at b0
 simple_bus   10  [   ]   ti_omap4_cm           |   |       |       |-- clock at 600
 clk          44  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          45  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   11  [   ]   ti_omap4_cm           |   |       |       |-- clock at 800
 clk          46  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          47  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   12  [   ]   ti_omap4_cm           |   |       |       |-- clock at 900
 clk          48  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          49  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   13  [   ]   ti_omap4_cm           |   |       |       `-- clock at a00
 clk          50  [   ]   ti_ctrl_clk           |   |       |           |-- clock at 0
 clk          51  [   ]   ti_ctrl_clk           |   |       |           `-- clock at 0
 simple_bus   14  [ + ]   ti_sysc               |   |       |-- target-module at 7000
 gpio          0  [ + ]   gpio_omap             |   |       |   `-- gpio at 0
 simple_bus   15  [ + ]   ti_sysc               |   |       |-- target-module at 9000
 serial        0  [ + ]   omap_serial           |   |       |   `-- serial at 0
 simple_bus   16  [   ]   ti_sysc               |   |       |-- target-module at b000
 simple_bus   17  [   ]   ti_sysc               |   |       |-- target-module at d000
 simple_bus   18  [   ]   ti_sysc               |   |       |-- target-module at 10000
 simple_bus   19  [   ]   simple_bus            |   |       |   `-- scm at 0
 simple_bus   20  [   ]   simple_bus            |   |       |       `-- scm_conf at 0
 simple_bus   21  [   ]   simple_bus            |   |       |           `-- clocks
 clk          52  [   ]   fixed_factor_clock    |   |       |               |-- clock-adc-tsc
-fck
 clk          53  [   ]   fixed_factor_clock    |   |       |               |-- clock-dcan0-f
ck
 clk          54  [   ]   fixed_factor_clock    |   |       |               |-- clock-dcan1-f
ck
 clk          55  [   ]   fixed_factor_clock    |   |       |               |-- clock-mcasp0-
fck
 clk          56  [   ]   fixed_factor_clock    |   |       |               |-- clock-mcasp1-
fck
 clk          57  [   ]   fixed_factor_clock    |   |       |               |-- clock-smartre
flex0-fck
 clk          58  [   ]   fixed_factor_clock    |   |       |               |-- clock-smartre
flex1-fck
 clk          59  [   ]   fixed_factor_clock    |   |       |               |-- clock-sha0-fc
k
 clk          60  [   ]   fixed_factor_clock    |   |       |               |-- clock-aes0-fc
k
 clk          61  [   ]   fixed_factor_clock    |   |       |               `-- clock-rng-fck
 simple_bus   22  [   ]   ti_sysc               |   |       |-- target-module at 35000
 simple_bus   23  [   ]   ti_sysc               |   |       `-- target-module at 3e000
 simple_bus   24  [   ]   simple_bus            |   |-- interconnect at 48000000
 simple_bus   25  [   ]   simple_bus            |   |   |-- segment at 0
 simple_bus   26  [   ]   ti_sysc               |   |   |   |-- target-module at 22000
 simple_bus   27  [   ]   ti_sysc               |   |   |   |-- target-module at 24000
 simple_bus   28  [   ]   ti_sysc               |   |   |   |-- target-module at 2a000
 simple_bus   29  [   ]   ti_sysc               |   |   |   |-- target-module at 30000
 simple_bus   30  [   ]   ti_sysc               |   |   |   |-- target-module at 38000
 simple_bus   31  [   ]   ti_sysc               |   |   |   |-- target-module at 3c000
 simple_bus   32  [   ]   ti_sysc               |   |   |   |-- target-module at 4c000
 gpio          1  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   33  [   ]   ti_sysc               |   |   |   |-- target-module at 60000
 simple_bus   34  [   ]   ti_sysc               |   |   |   |-- target-module at 80000
 simple_bus   35  [   ]   ti_sysc               |   |   |   |-- target-module at c8000
 simple_bus   36  [   ]   ti_sysc               |   |   |   `-- target-module at ca000
 simple_bus   37  [   ]   simple_bus            |   |   |-- segment at 100000
 simple_bus   38  [   ]   ti_sysc               |   |   |   |-- target-module at 9c000
 simple_bus   39  [   ]   ti_sysc               |   |   |   |-- target-module at a0000
 simple_bus   40  [   ]   ti_sysc               |   |   |   |-- target-module at a6000
 simple_bus   41  [   ]   ti_sysc               |   |   |   |-- target-module at a8000
 simple_bus   42  [   ]   ti_sysc               |   |   |   |-- target-module at aa000
 simple_bus   43  [   ]   ti_sysc               |   |   |   |-- target-module at ac000
 gpio          2  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   44  [   ]   ti_sysc               |   |   |   |-- target-module at ae000
 gpio          3  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   45  [   ]   ti_sysc               |   |   |   |-- target-module at cc000
 simple_bus   46  [   ]   ti_sysc               |   |   |   |-- target-module at d0000
 simple_bus   47  [   ]   ti_sysc               |   |   |   `-- target-module at d8000
 simple_bus   48  [   ]   simple_bus            |   |   |-- segment at 200000
 simple_bus   49  [   ]   simple_bus            |   |   `-- segment at 300000
 simple_bus   50  [   ]   ti_sysc               |   |       |-- target-module at 0
 simple_bus   51  [   ]   ti_sysc               |   |       |-- target-module at 2000
 simple_bus   52  [   ]   ti_sysc               |   |       |-- target-module at 4000
 simple_bus   53  [   ]   ti_sysc               |   |       |-- target-module at e000
 simple_bus   54  [   ]   ti_sysc               |   |       `-- target-module at 10000
 simple_bus   55  [   ]   simple_bus            |   |-- interconnect at 47c00000
 simple_bus   56  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   57  [   ]   simple_bus            |   |-- interconnect at 4a000000
 simple_bus   58  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   59  [   ]   ti_sysc               |   |       `-- target-module at 100000
 simple_bus   60  [   ]   simple_bus            |   |-- interconnect at 4b140000
 simple_bus   61  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   62  [   ]   ti_sysc               |   |-- target-module at 49000000
 simple_bus   63  [   ]   ti_sysc               |   |-- target-module at 49800000
 simple_bus   64  [   ]   ti_sysc               |   |-- target-module at 49900000
 simple_bus   65  [   ]   ti_sysc               |   |-- target-module at 49a00000
 simple_bus   66  [   ]   ti_sysc               |   |-- target-module at 47810000
 i2c           0  [   ]   i2c_omap              |   |-- i2c at 44e0b000
 pmic          0  [   ]   tps65217 pmic         |   |   `-- tps at 24
 i2c           1  [   ]   i2c_omap              |   |-- i2c at 4819c000
 mmc           0  [ + ]   omap_hsmmc            |   |-- mmc at 48060000
 blk           0  [   ]   mmc_blk               |   |   |-- mmc at 48060000.blk
 bootdev       0  [   ]   mmc_bootdev           |   |   `-- mmc at 48060000.bootdev
 mmc           1  [ + ]   omap_hsmmc            |   |-- mmc at 481d8000
 blk           1  [ + ]   mmc_blk               |   |   |-- mmc at 481d8000.blk
 partition     0  [ + ]   blk_partition         |   |   |   `-- mmc at 481d8000.blk:1
 bootdev       1  [   ]   mmc_bootdev           |   |   `-- mmc at 481d8000.bootdev
 watchdog      0  [ + ]   omap3_wdt             |   |-- wdt at 44e35000
 misc          0  [ + ]   ti-musb-wrapper       |   |-- usb at 47400000
 usb           0  [ + ]   ti-musb-peripheral    |   |   |-- usb at 47401000
 ethernet      1  [ + ]   usb_ether             |   |   |   `-- usb_ether
 bootdev       3  [   ]   eth_bootdev           |   |   |       `-- usb_ether.bootdev
 usb           0  [   ]   ti-musb-host          |   |   `-- usb at 47401800
 ethernet      0  [ + ]   eth_cpsw              |   |-- ethernet at 4a100000
 bootdev       2  [   ]   eth_bootdev           |   |   `-- ethernet at 4a100000.bootdev
 simple_bus   67  [   ]   ti_sysc               |   |-- target-module at 53100000
 simple_bus   68  [   ]   ti_sysc               |   |-- target-module at 53500000
 simple_bus   69  [   ]   ti_sysc               |   `-- target-module at 56000000
 clk          62  [   ]   fixed_clock           |-- clk_mcasp0_fixed
 bootstd       0  [   ]   bootstd_drv           |-- bootstd
 bootmeth      0  [   ]   bootmeth_efi          |   |-- efi
 bootmeth      1  [   ]   bootmeth_extlinux     |   |-- extlinux
 bootmeth      2  [   ]   bootmeth_pxe          |   |-- pxe
 bootmeth      3  [   ]   vbe_simple            |   `-- vbe_simple
 timer         0  [ + ]   omap_timer            `-- timer at 0
=> unbind /ocp/usb at 47400000/usb at 47401000
=> dm tree                              
 Class     Index  Probed  Driver                Name
-----------------------------------------------------------
 root          0  [ + ]   root_driver           root_driver
 rsa_mod_ex    0  [   ]   mod_exp_sw            |-- mod_exp_sw
 simple_bus    0  [ + ]   simple_bus            |-- ocp
 simple_bus    1  [ + ]   simple_bus            |   |-- l4_wkup at 44c00000
 simple_bus    2  [   ]   simple_bus            |   |   |-- segment at 0
 simple_bus    3  [   ]   simple_bus            |   |   |-- segment at 100000
 simple_bus    4  [ + ]   simple_bus            |   |   `-- segment at 200000
 simple_bus    5  [ + ]   ti_sysc               |   |       |-- target-module at 0
 simple_bus    6  [ + ]   simple_bus            |   |       |   `-- prcm at 0
 simple_bus    7  [   ]   simple_bus            |   |       |       |-- clocks
 clk           0  [   ]   fixed_clock           |   |       |       |   |-- clock-clk-32768
 clk           1  [   ]   fixed_clock           |   |       |       |   |-- clock-clk-rc32k
 clk           2  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-192000
00
 clk           3  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-240000
00
 clk           4  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-250000
00
 clk           5  [   ]   fixed_clock           |   |       |       |   |-- clock-virt-260000
00
 clk           6  [   ]   fixed_clock           |   |       |       |   |-- clock-tclkin
 clk           7  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-ddr-m2
-div2
 clk           8  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-per-m2
-div4-wkupdm
 clk           9  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-per-m2
-div4
 clk          10  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-clk-24mhz
 clk          11  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-clkdiv32k
 clk          12  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l3-gclk
 clk          13  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-dpll-core-m
4-div2
 clk          14  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4-rtc-gclk
 clk          15  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4hs-gclk
 clk          16  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l3s-gclk
 clk          17  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4fw-gclk
 clk          18  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-l4ls-gclk
 clk          19  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-sysclk-div
 clk          20  [   ]   fixed_factor_clock    |   |       |       |   |-- clock-cpsw-125mhz
-gclk
 clk          21  [   ]   fixed_factor_clock    |   |       |       |   `-- clock-mmc
 simple_bus    8  [   ]   ti_omap4_cm           |   |       |       |-- clock at 0
 clk          22  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 38
 clk          23  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 1c
 clk          24  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 24
 clk          25  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 120
 clk          26  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at e8
 clk          27  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          28  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 18
 clk          29  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14c
 clk          30  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 38
 clk          31  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 1c
 clk          32  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 24
 clk          33  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 120
 clk          34  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at e8
 clk          35  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          36  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 18
 clk          37  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 14c
 simple_bus    9  [ + ]   ti_omap4_cm           |   |       |       |-- clock at 400
 clk          38  [ + ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          39  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14
 clk          40  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at b0
 clk          41  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          42  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 14
 clk          43  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at b0
 simple_bus   10  [   ]   ti_omap4_cm           |   |       |       |-- clock at 600
 clk          44  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          45  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   11  [   ]   ti_omap4_cm           |   |       |       |-- clock at 800
 clk          46  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          47  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   12  [   ]   ti_omap4_cm           |   |       |       |-- clock at 900
 clk          48  [   ]   ti_ctrl_clk           |   |       |       |   |-- clock at 0
 clk          49  [   ]   ti_ctrl_clk           |   |       |       |   `-- clock at 0
 simple_bus   13  [   ]   ti_omap4_cm           |   |       |       `-- clock at a00
 clk          50  [   ]   ti_ctrl_clk           |   |       |           |-- clock at 0
 clk          51  [   ]   ti_ctrl_clk           |   |       |           `-- clock at 0
 simple_bus   14  [ + ]   ti_sysc               |   |       |-- target-module at 7000
 gpio          0  [ + ]   gpio_omap             |   |       |   `-- gpio at 0
 simple_bus   15  [ + ]   ti_sysc               |   |       |-- target-module at 9000
 serial        0  [ + ]   omap_serial           |   |       |   `-- serial at 0
 simple_bus   16  [   ]   ti_sysc               |   |       |-- target-module at b000
 simple_bus   17  [   ]   ti_sysc               |   |       |-- target-module at d000
 simple_bus   18  [   ]   ti_sysc               |   |       |-- target-module at 10000
 simple_bus   19  [   ]   simple_bus            |   |       |   `-- scm at 0
 simple_bus   20  [   ]   simple_bus            |   |       |       `-- scm_conf at 0
 simple_bus   21  [   ]   simple_bus            |   |       |           `-- clocks
 clk          52  [   ]   fixed_factor_clock    |   |       |               |-- clock-adc-tsc
-fck
 clk          53  [   ]   fixed_factor_clock    |   |       |               |-- clock-dcan0-f
ck
 clk          54  [   ]   fixed_factor_clock    |   |       |               |-- clock-dcan1-f
ck
 clk          55  [   ]   fixed_factor_clock    |   |       |               |-- clock-mcasp0-
fck
 clk          56  [   ]   fixed_factor_clock    |   |       |               |-- clock-mcasp1-
fck
 clk          57  [   ]   fixed_factor_clock    |   |       |               |-- clock-smartre
flex0-fck
 clk          58  [   ]   fixed_factor_clock    |   |       |               |-- clock-smartre
flex1-fck
 clk          59  [   ]   fixed_factor_clock    |   |       |               |-- clock-sha0-fc
k
 clk          60  [   ]   fixed_factor_clock    |   |       |               |-- clock-aes0-fc
k
 clk          61  [   ]   fixed_factor_clock    |   |       |               `-- clock-rng-fck
 simple_bus   22  [   ]   ti_sysc               |   |       |-- target-module at 35000
 simple_bus   23  [   ]   ti_sysc               |   |       `-- target-module at 3e000
 simple_bus   24  [   ]   simple_bus            |   |-- interconnect at 48000000
 simple_bus   25  [   ]   simple_bus            |   |   |-- segment at 0
 simple_bus   26  [   ]   ti_sysc               |   |   |   |-- target-module at 22000
 simple_bus   27  [   ]   ti_sysc               |   |   |   |-- target-module at 24000
 simple_bus   28  [   ]   ti_sysc               |   |   |   |-- target-module at 2a000
 simple_bus   29  [   ]   ti_sysc               |   |   |   |-- target-module at 30000
 simple_bus   30  [   ]   ti_sysc               |   |   |   |-- target-module at 38000
 simple_bus   31  [   ]   ti_sysc               |   |   |   |-- target-module at 3c000
 simple_bus   32  [   ]   ti_sysc               |   |   |   |-- target-module at 4c000
 gpio          1  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   33  [   ]   ti_sysc               |   |   |   |-- target-module at 60000
 simple_bus   34  [   ]   ti_sysc               |   |   |   |-- target-module at 80000
 simple_bus   35  [   ]   ti_sysc               |   |   |   |-- target-module at c8000
 simple_bus   36  [   ]   ti_sysc               |   |   |   `-- target-module at ca000
 simple_bus   37  [   ]   simple_bus            |   |   |-- segment at 100000
 simple_bus   38  [   ]   ti_sysc               |   |   |   |-- target-module at 9c000
 simple_bus   39  [   ]   ti_sysc               |   |   |   |-- target-module at a0000
 simple_bus   40  [   ]   ti_sysc               |   |   |   |-- target-module at a6000
 simple_bus   41  [   ]   ti_sysc               |   |   |   |-- target-module at a8000
 simple_bus   42  [   ]   ti_sysc               |   |   |   |-- target-module at aa000
 simple_bus   43  [   ]   ti_sysc               |   |   |   |-- target-module at ac000
 gpio          2  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   44  [   ]   ti_sysc               |   |   |   |-- target-module at ae000
 gpio          3  [   ]   gpio_omap             |   |   |   |   `-- gpio at 0
 simple_bus   45  [   ]   ti_sysc               |   |   |   |-- target-module at cc000
 simple_bus   46  [   ]   ti_sysc               |   |   |   |-- target-module at d0000
 simple_bus   47  [   ]   ti_sysc               |   |   |   `-- target-module at d8000
 simple_bus   48  [   ]   simple_bus            |   |   |-- segment at 200000
 simple_bus   49  [   ]   simple_bus            |   |   `-- segment at 300000
 simple_bus   50  [   ]   ti_sysc               |   |       |-- target-module at 0
 simple_bus   51  [   ]   ti_sysc               |   |       |-- target-module at 2000
 simple_bus   52  [   ]   ti_sysc               |   |       |-- target-module at 4000
 simple_bus   53  [   ]   ti_sysc               |   |       |-- target-module at e000
 simple_bus   54  [   ]   ti_sysc               |   |       `-- target-module at 10000
 simple_bus   55  [   ]   simple_bus            |   |-- interconnect at 47c00000
 simple_bus   56  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   57  [   ]   simple_bus            |   |-- interconnect at 4a000000
 simple_bus   58  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   59  [   ]   ti_sysc               |   |       `-- target-module at 100000
 simple_bus   60  [   ]   simple_bus            |   |-- interconnect at 4b140000
 simple_bus   61  [   ]   simple_bus            |   |   `-- segment at 0
 simple_bus   62  [   ]   ti_sysc               |   |-- target-module at 49000000
 simple_bus   63  [   ]   ti_sysc               |   |-- target-module at 49800000
 simple_bus   64  [   ]   ti_sysc               |   |-- target-module at 49900000
 simple_bus   65  [   ]   ti_sysc               |   |-- target-module at 49a00000
 simple_bus   66  [   ]   ti_sysc               |   |-- target-module at 47810000
 i2c           0  [   ]   i2c_omap              |   |-- i2c at 44e0b000
 pmic          0  [   ]   tps65217 pmic         |   |   `-- tps at 24
 i2c           1  [   ]   i2c_omap              |   |-- i2c at 4819c000
 mmc           0  [ + ]   omap_hsmmc            |   |-- mmc at 48060000
 blk           0  [   ]   mmc_blk               |   |   |-- mmc at 48060000.blk
 bootdev       0  [   ]   mmc_bootdev           |   |   `-- mmc at 48060000.bootdev
 mmc           1  [ + ]   omap_hsmmc            |   |-- mmc at 481d8000
 blk           1  [ + ]   mmc_blk               |   |   |-- mmc at 481d8000.blk
 partition     0  [ + ]   blk_partition         |   |   |   `-- mmc at 481d8000.blk:1
 bootdev       1  [   ]   mmc_bootdev           |   |   `-- mmc at 481d8000.bootdev
 watchdog      0  [ + ]   omap3_wdt             |   |-- wdt at 44e35000
 misc          0  [ + ]   ti-musb-wrapper       |   |-- usb at 47400000
 usb           0  [   ]   ti-musb-host          |   |   `-- usb at 47401800
 ethernet      0  [ + ]   eth_cpsw              |   |-- ethernet at 4a100000
 bootdev       2  [   ]   eth_bootdev           |   |   `-- ethernet at 4a100000.bootdev
 simple_bus   67  [   ]   ti_sysc               |   |-- target-module at 53100000
 simple_bus   68  [   ]   ti_sysc               |   |-- target-module at 53500000
 simple_bus   69  [   ]   ti_sysc               |   `-- target-module at 56000000
 clk          62  [   ]   fixed_clock           |-- clk_mcasp0_fixed
 bootstd       0  [   ]   bootstd_drv           |-- bootstd
 bootmeth      0  [   ]   bootmeth_efi          |   |-- efi
 bootmeth      1  [   ]   bootmeth_extlinux     |   |-- extlinux
 bootmeth      2  [   ]   bootmeth_pxe          |   |-- pxe
 bootmeth      3  [   ]   vbe_simple            |   `-- vbe_simple
 timer         0  [ + ]   omap_timer            `-- timer at 0


Thanks,
Miquèl


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