From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030255AbcGKGuq (ORCPT ); Mon, 11 Jul 2016 02:50:46 -0400 Received: from down.free-electrons.com ([37.187.137.238]:32863 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757508AbcGKGuo (ORCPT ); Mon, 11 Jul 2016 02:50:44 -0400 Date: Mon, 11 Jul 2016 08:50:42 +0200 From: Maxime Ripard To: Chen-Yu Tsai Cc: Lee Jones , Alessandro Zummo , Alexandre Belloni , linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 7/7] ARM: dts: sun9i: Switch to the AC100 RTC clock outputs for osc32k Message-ID: <20160711065042.GC4589@lukather> References: <1467988422-17934-1-git-send-email-wens@csie.org> <1467988422-17934-8-git-send-email-wens@csie.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="m51xatjYGsM+13rf" Content-Disposition: inline In-Reply-To: <1467988422-17934-8-git-send-email-wens@csie.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --m51xatjYGsM+13rf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Fri, Jul 08, 2016 at 10:33:42PM +0800, Chen-Yu Tsai wrote: > The 32.768 kHz clock inside the A80 SoC is fed from an external source, > typically the AC100 RTC module. >=20 > Make the osc32k placeholder a fixed-factor clock so board dts files can > specify its source. >=20 > Signed-off-by: Chen-Yu Tsai > --- > Changes since v4: none > Changes since v3: none > Changes since v2: none > Changes since v1: none > --- > arch/arm/boot/dts/sun9i-a80-cubieboard4.dts | 5 +++++ > arch/arm/boot/dts/sun9i-a80-optimus.dts | 5 +++++ > arch/arm/boot/dts/sun9i-a80.dtsi | 9 +++------ > 3 files changed, 13 insertions(+), 6 deletions(-) >=20 > diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/= dts/sun9i-a80-cubieboard4.dts > index cf2f4b72a841..04b014603659 100644 > --- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts > +++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts > @@ -103,6 +103,11 @@ > allwinner,drive =3D ; > }; > =20 > +&osc32k { > + /* osc32k input is from AC100 */ > + clocks =3D <&ac100_rtc 0>; > +}; > + I'm guessing that an unresolved dependency when the driver has not loaded yet, or is not even compiled ? How is it working then? Thanks, Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --m51xatjYGsM+13rf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXg0HCAAoJEBx+YmzsjxAgD1QP/iMPsyu3wQ0/vF2Esn3zV7kR e2aZO2cZoOclzt+yNxFSgpJyYhP2zLFnm8Iy2BhaLBrLK6PiW3J6BriX31slm6Tw EdgzPAM3JujEg+7EPv1Ha+YvtWSZdnzIB4fJbdK6SvBLAqjfy9EMl9ra8qN0V+oL jRxpYwK2ef+Mi+ZMq+WLGpfANt3879bz87h4NPqI9T00mY6pY+gjVM7NayvrRSZo zvQk/JjH8SAyLa9nq0YKDznMbLScEcWGbEm4TqHp/8ay/VELDcj+GM/NSDVrm4Ai Vzmq+8qZ2fndJdnr1qEMZbjeezWZkzYEr9FOO5yMC07TV6f/tht7nS8KTjFzHu24 u94KIaHUVtYVqw3pT7NLAaWZsAORUIN554aCbzb+F/ytnwR6nKGhAEdDNxWV2ulw cZIiv7wOQvLFuisF95zDvdMv2f9GXSb/3zdZyvIOHSBektcWmzde6rdY294l8tiG 7ceTSqo1aGuBchxIheQmdbr6SZpeAmazF1yDex/eaB3rNAtINddKcgePrmMY0SKB JJHH5I4EIG4T4nB5bjKujsgM+bE4IrOO3tsPhp660IiA/Rat73Qt5+FVQ3zZpmNy 4S0K+QWkB2jZlONtHpv/R7S/kLmUPbQSQxW6sKY2yhzDlv5iCbnbpq0HsfC1jBef 8pxOoGqnOV/QM6hFdWCa =M6Em -----END PGP SIGNATURE----- --m51xatjYGsM+13rf--