Is it normal for it to be missing on bootup?

--Mark

On Wednesday, October 31, 2018 at 4:48:57 PM UTC-4, RobertCNelson wrote:
>
> On Wed, Oct 31, 2018 at 3:21 PM Mark A. Yoder <[email protected] 
> <javascript:>> wrote: 
> > 
> > I fired up a Pocket Beagle today with the 2018-10-28 image and notice 
> /dev/i2c-1 is missing. 
> > 
> > Here's what dmesg says: 
> > 
> > bone $ dmesg -H | grep i2c 
> > [  +0.000852] omap_i2c 44e0b000.i2c: could not find pctldev for node 
> /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring 
> probe 
> > [  +0.000063] omap_i2c 4802a000.i2c: could not find pctldev for node 
> /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_bb_i2c1_pins, deferring 
> probe 
> > [  +0.000937] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 400 kHz 
> > [  +0.001268] i2c /dev entries driver 
> > [  +0.007484] input: tps65217_pwr_but as 
> /devices/platform/ocp/44e0b000.i2c/i2c-0/0-0024/tps65217-pwrbutton/input/input0
>  
>
> > [  +0.000108] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz 
> > [  +0.000759] pinctrl-single 44e10800.pinmux: pin PIN97 already 
> requested by ocp:P2_09_pinmux; cannot claim for 4802a000.i2c 
> > [  +0.011333] pinctrl-single 44e10800.pinmux: pin-97 (4802a000.i2c) 
> status -22 
> > [  +0.007129] pinctrl-single 44e10800.pinmux: could not request pin 97 
> (PIN97) from group pinmux_bb_i2c1_pins  on device pinctrl-single 
> > [  +0.012083] omap_i2c 4802a000.i2c: Error applying setting, reverse 
> things back 
> > [  +0.007347] omap_i2c: probe of 4802a000.i2c failed with error -22 
> > 
> > And 
> > 
> > bone$ sudo /opt/scripts/tools/version.sh 
> > git:/opt/scripts/:[e9bcff232834702c1c810710706ee815d77b080b] 
> > eeprom:[A335PBGL00A21750EPB02572] 
> > model:[TI_AM335x_PocketBeagle] 
> > dogtag:[BeagleBoard.org Debian Image 2018-10-28] 
> > bootloader:[microSD]:[/dev/mmcblk0]:[U-Boot 
> 2018.09-00002-gd5b4c4b656]:[location: dd MBR] 
> > kernel:[4.14.71-ti-r81] 
> > nodejs:[v6.14.4] 
> > uboot_overlay_options:[enable_uboot_overlays=1] 
> > 
> uboot_overlay_options:[uboot_overlay_addr4=/lib/firmware/BB-I2C1A-FAST-00A0.dtbo]
>  
>
>
> You need to use dtbo's with the "PB-" prefix..  there's a phandle name 
> conflict in the above.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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