Date: Tue, 30 Jan 2018 08:31:14 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Oleksandr Tymoshenko <gonzo@bluezbox.com> Cc: Emmanuel Vadot <manu@bidouilliste.com>, Warner Losh <imp@bsdimp.com>, John Baldwin <jhb@freebsd.org>, Ravi Pokala <rpokala@mac.com>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org, owner-src-committers@freebsd.org Subject: Re: svn commit: r328257 - in head/sys: arm/broadcom/bcm2835 dts/arm modules Message-ID: <90452.1517301074@critter.freebsd.dk> In-Reply-To: <20180130025048.GA76676@bluezbox.com> References: <CANCZdfrh0NHq7cbkq_genEdzo%2BB3G4TTAcEzpgh11sr%2B82e9aw@mail.gmail.com> <93949.1516733748@critter.freebsd.dk> <20180127210801.37b8001125dd0a2c92372f98@bidouilliste.com> <72042.1517094867@critter.freebsd.dk> <8d8ae9d10058fd72ce3ec467181c9f22@megadrive.org> <13025.1517179897@critter.freebsd.dk> <20180129063950.GA59901@bluezbox.com> <32793.1517221534@critter.freebsd.dk> <20180129132736.GA66330@bluezbox.com> <33452.1517233531@critter.freebsd.dk> <20180130025048.GA76676@bluezbox.com>
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-------- In message <20180130025048.GA76676@bluezbox.com>, Oleksandr Tymoshenko writes: >> You seem to have skipped the bit about "without reboot" ? > >No I haven't. config.txt is parsed by VC firmware on boot time >and pwm.dtbo is applied even before boot loader kicks in. When >kernel starts pwm node has pinctl information ready and status >property is set to "okay". So if you download next available image, >flash and boot it and run kldload bcm2835_pwm it will give you >working PWM device out of the box without reboot. But only if you add pwm.dtbo to config.txt and reboot, because I see nothing indicating that we will put it there in the release images we (may start to) produce ? >I don't think we have designated reference platform at the moment, >but it's a good idea to have one. Pi's platform is too weird to >be reference. TI's AM335x or iMX would be a good candidate I think >They are complex enough to illustrate all the concepts yet not super >complex. I fully agree that RPi should *not* be our reference platform. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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