On Thursday, June 12, 2014 4:52:51 PM UTC+2, Miguel Aveiro wrote: > > Em 12-06-2014 07:04, krd escreveu: > > On Wednesday, June 11, 2014 11:33:25 AM UTC+2, krd wrote: >> >> >> >> On Wednesday, June 4, 2014 4:50:44 PM UTC+2, RobertCNelson wrote: >>> >>> On Wed, Jun 4, 2014 at 9:29 AM, krd <[email protected]> wrote: >>> > Hey, >>> > >>> > I'm testing a new kernel - 3.15.0-rc5-bone0.1 from RCN's github - for >>> my BBB >>> > under Debian. What I've found out recently is lack of >>> > /sys/devices/bone_capemgr.* directory. Also my atempts to turn off >>> hdmi via >>> > uEnv file fizzle out. Is it me doing something wrong or this is how it >>> > should be? Is there a way to get back my control over uarts, and >>> ability to >>> > turn off hdmi under new kernel? >>> >>> capemgr hasn't been ported fully from 3.8 >>> >>> Use this repo: >>> >>> https://github.com/RobertCNelson/bb-kernel/tree/am33x-v3.15 >>> >>> >>> You can enable extra usarts by adding this to uEnv.txt >>> >>> cape=ttyO1 >>> >>> Regards, >>> >>> -- >>> Robert Nelson >>> http://www.rcn-ee.com/ >>> >> >> >> I have switched to the image you've recommended and succeeded only with >> enabling ttyO1, The other ones are not enabled. I've defined them like that >> in uEnv.txt: >> >> >> >> *cape=ttyO1 cape=ttyO4 cape=ttyO2 cape=ttyO5* >> >> Is there a way to disable HDMI? cape_disable=capemgr.disable_ >> partno=BB-BONELT-HDMI,BB-BONELT-HDMIN in uEnv.txt is not working, but >> since you said that capemgr had not been ported to new kernel I'm not >> surprised. If it's not possible to do in some other way, which is the >> latest system where capemgr works? >> > > Ok, I managed to switch off hdmi by removing all hdmi-related entries from > dts files and recompile the kernel. That's not the most elegant solution > for sure, but it works;) The uarts' issue still waits for the solution. > > Well, I think there is a better solution, but since you already > recompiled the kernel, I did just like you and edited > "am335x-boneblack.dts": > > /* > * 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/; > > #include "am33xx.dtsi" > #include "am335x-bone-common.dtsi" > > &ldo3_reg { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > regulator-always-on; > }; > > &mmc1 { > vmmc-supply = <&vmmcsd_fixed>; > }; > > &mmc2 { > vmmc-supply = <&vmmcsd_fixed>; > pinctrl-names = "default"; > pinctrl-0 = <&emmc_pins>; > bus-width = <8>; > status = "okay"; > ti,vcc-aux-disable-is-sleep; > }; > > &uart2 { > pinctrl-names = "default"; > pinctrl-0 = <&uart2_pins>; > > status = "okay"; > }; > > &uart4 { > pinctrl-names = "default"; > pinctrl-0 = <&uart4_pins>; > > status = "okay"; > }; > > &uart5 { > pinctrl-names = "default"; > pinctrl-0 = <&uart5_pins>; > > status = "okay"; > }; > > &am33xx_pinmux { > }; > > > / { > cpus { > cpu@0 { > cpu0-supply = <&dcdc2_reg>; > /* > * To consider voltage drop between PMIC and SoC, > * tolerance value is reduced to 2% from 4% and > * voltage value is increased as a precaution. > */ > operating-points = < > /* kHz uV */ > 1000000 1325000 > 800000 1300000 > 600000 1112000 > 300000 969000 > >; > }; > }; > > }; > > Thanks a lot! Your solution works very nice.
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