From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 3/5] arm64: dts: allwinner: a64: add simplefb for A64 SoC Date: Tue, 13 Mar 2018 09:27:24 +0100 Message-ID: <20180313082724.7optc2xwgqoiibtx@flea> References: <20180312161050.7647-1-harald@ccbib.org> <20180312161050.7647-4-harald@ccbib.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zqztf6atuxy743zp" Return-path: Content-Disposition: inline In-Reply-To: <20180312161050.7647-4-harald@ccbib.org> Sender: linux-kernel-owner@vger.kernel.org To: Harald Geyer Cc: Chen-Yu Tsai , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andre Przywara , Icenowy Zheng , info@olimex.com List-Id: devicetree@vger.kernel.org --zqztf6atuxy743zp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 12, 2018 at 04:10:48PM +0000, Harald Geyer wrote: > The A64 SoC features two display pipelines, one has a LCD output, the > other has a HDMI output. >=20 > Add support for simplefb for the LCD output. Tested on Teres I. >=20 > This patch was inspired by work of Icenowy Zheng. >=20 > Signed-off-by: Harald Geyer > --- > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/b= oot/dts/allwinner/sun50i-a64.dtsi > index ca1b365bc722..05d5e8def68a 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > @@ -52,6 +52,26 @@ > #address-cells =3D <1>; > #size-cells =3D <1>; > =20 > + chosen { > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + ranges; > + > +/* > + * The pipeline mixer0-lcd0 depends on clock CLK_MIXER0 from DE2 CCU. > + * However there is no support for this clock on A64 yet, so we depend > + * on the upstream clocks here to keep them (and thus CLK_MIXER0) up. > + */ There's definitely support for the CLK_MIXER0 clock in the DE2 CCU driver, so I guess this would need to be amended / fixed Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --zqztf6atuxy743zp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlqni2sACgkQ0rTAlCFN r3TCkw//UUyP1rmIsElv2naASm/OXnHkBrQu/SsOhg6WOf0lZU5QLI7PGOjoGBtm MDD+RmOtJvWY7l1y5PViGzVSbXFUldxP8iNQKSLTyxn4VC7OVnN/WEjyt5qGgw2i oJFSpy9cX5A02WkBy7G5fNvQw873dxDSeU3w2NxydPoysxNG33WknBtsyW7/HjiG EHrJVEOCsUe9X9j+vzyGxXvXr1Swx4ky13cP2THW5xrV5palY9q9E+PbXPNKCCpF +hAEdLcvxh/ajVXROpa6AI1e55D0p0LSG7O00o+1O/+vW3s7ZrITBn51LJnrOMx3 IhA9klj9bAuDCgpbPV/f6l+Tz9BbN5SCGyE/0tL0ltR35yyymVp3kRhguREHANXX he53YR3MbfqKFCY27R/FHSn4udJiA6ky0xxaJVObVH2J8/hNkEAwuDRQfgoH5TkC mI6ZKRlqm8BeZ4mabP0/71XuMmpraeuVLWrxIpOOq+CCG2kco6Px0b85lD8luoyU v9RW2vRed9XUiyzxrLWAZyd8EblKNd+MCendyun8HErnqEsvM4R4H20DIPqRn4hL ghvTNyLLSvVgXkiFxcuFyyUKtMDuQBcUraGGvBzpao+Nd8ycArz9QMd9N1dj1Nsx NKYxjKOvsZlIVxmRL4hn+YRIRh+r8AttRnsZBhL3ahxwU1uDZ3M= =BmJp -----END PGP SIGNATURE----- --zqztf6atuxy743zp--