From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Date: Sat, 03 Dec 2016 22:24:56 +0100 Subject: [U-Boot] Rockchip RK3288 u-boot with mainline kernel In-Reply-To: <0cac6a894a714faf7da9c50d0b342bec.squirrel@webmail.efn.org> References: <0cac6a894a714faf7da9c50d0b342bec.squirrel@webmail.efn.org> Message-ID: <98726149.SLlGisoKlg@phil> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Rick, Am Samstag, 3. Dezember 2016, 10:07:25 CET schrieb Rick Bronson: > Thanks very much for the link. I got it, went to the branch, > applied my patches from main denx u-boot and got it to work! > > The only odd thing is, I have to do this: > > regulator dev vcc_lan > regulator enable > > Or else I can't use the networking. > > When I boot up I see: > > => regulator status > Name Enabled uV mA Mode > ... > vcc_lan disabled - - - > > I've studied all of the various rk3288*.dts* examples but have no > idea why the vcc_lan does not start up upon boot. My dtsi file is > below. Thanks for any help. Firefly and Rock2 use an act8846 as pmic while your board seems to use the rk808. The switch used to control your vcc_lan is most likely off on boot while the regulator used on firefly etc is most likely simply on on boot. I don't know if the devicemanager-part of uboot actually handles such regulator-supplies at all. Heiko