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 X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F2E6C2D0C3 for ; Sat, 21 Dec 2019 20:01:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 641F7206EC for ; Sat, 21 Dec 2019 20:01:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576958475; bh=cAoG20mOdDaPDzKbP1yFgpmFG1wND9D7fIKzylMTt+Y=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=HV2DbC+WPnYObWHmps5BNRBt7n/HRRb5n87JYUfVMJbXXoQZF3t/n0ExjrQouVtYQ /OalUWBqBD/hke581eYpdzqhJ22+82c59uyJ80kOO4kR72rWabCCyMrTdZ51/vGl2u foAOSKrsmKFu7Phe2Qz/yMF9kw60HS1qyEcafBsw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726829AbfLUUBL (ORCPT ); Sat, 21 Dec 2019 15:01:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:39756 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726107AbfLUUBL (ORCPT ); Sat, 21 Dec 2019 15:01:11 -0500 Received: from mail-lj1-f175.google.com (mail-lj1-f175.google.com [209.85.208.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CF5AD206EC; Sat, 21 Dec 2019 20:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576958470; bh=cAoG20mOdDaPDzKbP1yFgpmFG1wND9D7fIKzylMTt+Y=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=VfKHDs+UrA0zxIEDZ3/P6uaXOxZ2X+ypWsPWjAajHI0ahhdVjqi2hFHOCL6iNKHf2 LdKldq/aPkuaE8bGlZqUqSuILfyq7f9TpU/64QWz3CN/81vc2/fVuoRmmBfhxluYq1 nnHdDzE8BnOWyyR8v8kz/+O9liL1lZ12dD2p+los= Received: by mail-lj1-f175.google.com with SMTP id u1so13569950ljk.7; Sat, 21 Dec 2019 12:01:09 -0800 (PST) X-Gm-Message-State: APjAAAVVU0Br19cFVDh52FqNGHKlpjNVNfxzpbOBcVslqSgCDcYhObeV b1oCzC220zpdNFzJMppvGlo8BWe2km8E/jhIJlY= X-Google-Smtp-Source: APXvYqyoSWFit4YcQSqBr6vLJk2CTqXrA+sNgLRokSVcuTZ0gSZDSqHSBwKiDJtfNlZKwKctroRd0nQzOWJkw4mUiBo= X-Received: by 2002:a2e:9f52:: with SMTP id v18mr12176163ljk.30.1576958468047; Sat, 21 Dec 2019 12:01:08 -0800 (PST) MIME-Version: 1.0 References: <20191220115653.6487-1-a.swigon@samsung.com> <20191220115653.6487-5-a.swigon@samsung.com> In-Reply-To: <20191220115653.6487-5-a.swigon@samsung.com> From: Chanwoo Choi Date: Sun, 22 Dec 2019 05:00:31 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH v3 4/7] arm: dts: exynos: Add interconnect bindings for Exynos4412 To: =?UTF-8?B?QXJ0dXIgxZp3aWdvxYQ=?= Cc: devicetree , linux-arm-kernel , linux-samsung-soc , linux-kernel , Linux PM list , dri-devel , Chanwoo Choi , MyungJoo Ham , inki.dae@samsung.com, Seung-Woo Kim , Georgi Djakov , Leonard Crestez , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Hi, On Fri, Dec 20, 2019 at 9:02 PM Artur =C5=9Awigo=C5=84 wrote: > > This patch adds the following properties to the Exynos4412 DT: > - exynos,interconnect-parent-node: to declare connections between > nodes in order to guarantee PM QoS requirements between nodes; > - #interconnect-cells: required by the interconnect framework. > > Note that #interconnect-cells is always zero and node IDs are not > hardcoded anywhere. > > Signed-off-by: Artur =C5=9Awigo=C5=84 > --- > arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/b= oot/dts/exynos4412-odroid-common.dtsi > index 4ce3d77a6704..d9d70eacfcaf 100644 > --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > @@ -90,6 +90,7 @@ > &bus_dmc { > exynos,ppmu-device =3D <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; > vdd-supply =3D <&buck1_reg>; > + #interconnect-cells =3D <0>; > status =3D "okay"; > }; > > @@ -106,6 +107,8 @@ > &bus_leftbus { > exynos,ppmu-device =3D <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; > vdd-supply =3D <&buck3_reg>; > + exynos,interconnect-parent-node =3D <&bus_dmc>; > + #interconnect-cells =3D <0>; > status =3D "okay"; > }; > > @@ -116,6 +119,8 @@ > > &bus_display { > exynos,parent-bus =3D <&bus_leftbus>; > + exynos,interconnect-parent-node =3D <&bus_leftbus>; > + #interconnect-cells =3D <0>; > status =3D "okay"; > }; > > -- > 2.17.1 > Reviewed-by: Chanwoo Choi I has not yet tested on target. I'll test it on next week and then reply the test result. --=20 Best Regards, Chanwoo Choi