From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AD83C3DA7D for ; Thu, 5 Jan 2023 10:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233345AbjAEKoO (ORCPT ); Thu, 5 Jan 2023 05:44:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232590AbjAEKnr (ORCPT ); Thu, 5 Jan 2023 05:43:47 -0500 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D73AD44C4C; Thu, 5 Jan 2023 02:43:45 -0800 (PST) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 83AEE100006; Thu, 5 Jan 2023 10:43:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1672915424; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+Yr/nUbSQezXweJY6bNFYpcWO7a/X5IplQE9MKPs4FA=; b=VV0/JX2BvGgdlR6xh7CnwhWQPLPXUZS7ei0be0XNMWNdFOAVpZSHgxJhNhoQ/IPYSjnxx3 PyUMV6Vpx1pV3K0VmNuHxaLFxL164X7pyeKKH8BC3JETfM47AywMB3nzzpcDu8yEpq4rUu Q7jPb/MhV98WU4WoV7HpYjin0iel2BcZwhRutDK/e4mv5VVIWysy5RIXNLELSheoQBgrUa PU7oL2J3HmADqcWdjJvN/MKrd2Bsmfy0/+HLA7mbbaJ8P0okGGNFYyLZ96uK2RT5xkaYjG xsb4qYQ4WqN6uibTtsbQ42bTu6y+6FCGW4xckOZpqeMnfIonag3EeY0OioS0Tg== Date: Thu, 5 Jan 2023 11:43:37 +0100 From: Paul Kocialkowski To: Samuel Holland Cc: Chen-Yu Tsai , Jernej Skrabec , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Albert Ou , Conor Dooley , Greg Kroah-Hartman , Maxime Ripard , Palmer Dabbelt , Paul Walmsley , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-riscv@lists.infradead.org, linux-staging@lists.linux.dev, linux-sunxi@lists.linux.dev Subject: Re: [PATCH 1/4] media: dt-bindings: cedrus: Allow power domain references Message-ID: References: <20221231164628.19688-1-samuel@sholland.org> <20221231164628.19688-2-samuel@sholland.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="nKy3H2Xqe6ArZJHS" Content-Disposition: inline In-Reply-To: <20221231164628.19688-2-samuel@sholland.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --nKy3H2Xqe6ArZJHS Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Samuel, On Sat 31 Dec 22, 10:46, Samuel Holland wrote: > The Allwinner D1 SoC contains a separate power domain for its video > engine, controlled via the "PPU" power controller. Allow the > power-domains property so this can be represented in the devicetree. I've been looking around for information regarding the PPU and couldn't find anything about it. Do you have some reference where it is mentionned? I do see a power domain driver (apparently for the GPU) on recent allwinner kernel releases but that seems to be for arm64 chips only. Cheers, Paul > Signed-off-by: Samuel Holland > --- >=20 > .../bindings/media/allwinner,sun4i-a10-video-engine.yaml | 3 +++ > 1 file changed, 3 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-= video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i= -a10-video-engine.yaml > index 541325f900a1..d5be7f604e8c 100644 > --- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-e= ngine.yaml > +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-e= ngine.yaml > @@ -63,6 +63,9 @@ properties: > CMA pool to use for buffers allocation instead of the default > CMA pool. > =20 > + power-domains: > + maxItems: 1 > + > required: > - compatible > - reg > --=20 > 2.37.4 >=20 --=20 Paul Kocialkowski, Bootlin Embedded Linux and kernel engineering https://bootlin.com --nKy3H2Xqe6ArZJHS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEJZpWjZeIetVBefti3cLmz3+fv9EFAmO2qdkACgkQ3cLmz3+f v9FJkQgAodwHy0mR+AhNUcLpqjFBfhELdfQ6y6YJnDwkiGJJZDkXxAX7rpsAFGYu 6CAoynkF3ve1u9SlMGMQtM4WNpCEX2sPMeAW1ljuTAdeNWIaalSMQS71fDEATuaZ MqxyQiO02r/9lqcWDGa9C3gkk3cQbIvfC/zK1tu3Gs2WUYOCFPerJUsmBKoucGdE Z+NHigkZJmHRQ7XDkhMzmcSoiSvDbKS7/pOC9O8A7icca6kdWudk/diC9MYkUYLD 70Os3PUqUYB7e9llTG+sxpv5CQpSLe7uGvUx6e7cqNR59GZk8Tcy8gqcwitRxQkJ 3bbS8sFAgj+6MhX/J02sf6SCFfnkmQ== =L1ge -----END PGP SIGNATURE----- --nKy3H2Xqe6ArZJHS--