From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH v3 1/2] drm/bridge: dw-hdmi: support optional supply regulators Date: Wed, 10 Jun 2015 00:36:18 +0100 Message-ID: <20150609233618.GK7557@n2100.arm.linux.org.uk> References: <4184159.j0iXe39dFB@phil> <20150608163420.GZ7557@n2100.arm.linux.org.uk> <20150609075331.GA28198@ulmo> <3551826.dyCjorKhLA@diego> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <3551826.dyCjorKhLA@diego> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Heiko =?iso-8859-1?Q?St=FCbner?= Cc: Thierry Reding , Philipp Zabel , David Airlie , Mark Yao , djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Yakir Yang , dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Andy Yan , linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Jun 10, 2015 at 01:29:43AM +0200, Heiko St=FCbner wrote: > Allthough from the discussion and explanations I've now also got the = "don't=20 > make it worse" feeling, so am somehow reluctant to add supplies that = also=20 > might describe this inadequately. >=20 > The Rockchip-specific documentation only lists the two supplies as AV= DD_1V0,=20 > AVDD_1V8 with a description of "DC supply voltage for Analog part of = HDMI". > The supplies aren't mentioned otherwise at all, so I guess I'll ponde= r this a=20 > bit more at first. Are they controllable from software at all? If they aren't, then I'd suggest leaving them out until we have a distinction between the Tx and Phy - much as we do for iMX6. --=20 =46TTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps u= p according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe devicetree" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html