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Sat, 30 May 2020 17:02:49 -0700 (PDT) MIME-Version: 1.0 References: <20200529163200.18031-1-s.nawrocki@samsung.com> <20200529163200.18031-5-s.nawrocki@samsung.com> In-Reply-To: <20200529163200.18031-5-s.nawrocki@samsung.com> From: Chanwoo Choi Date: Sun, 31 May 2020 09:02:13 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH v5 4/6] ARM: dts: exynos: Add interconnect properties to Exynos4412 bus nodes To: Sylwester Nawrocki Cc: Georgi Djakov , Chanwoo Choi , Krzysztof Kozlowski , =?UTF-8?B?QXJ0dXIgxZp3aWdvxYQ=?= , MyungJoo Ham , inki.dae@samsung.com, Seung-Woo Kim , Bartlomiej Zolnierkiewicz , Marek Szyprowski , linux-kernel , linux-samsung-soc , dri-devel , linux-arm-kernel 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 Sylwester, On Sat, May 30, 2020 at 1:33 AM Sylwester Nawrocki wrote: > > This patch adds the following properties for Exynos4412 interconnect > bus nodes: > - samsung,interconnect-parent: 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 > Signed-off-by: Sylwester Nawrocki > --- > Changes for v5: > - adjust to renamed exynos,interconnect-parent-node property, > - add properties in common exynos4412.dtsi file rather than > in Odroid specific odroid4412-odroid-common.dtsi. > --- > arch/arm/boot/dts/exynos4412.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos= 4412.dtsi > index 4886894..a7496d3 100644 > --- a/arch/arm/boot/dts/exynos4412.dtsi > +++ b/arch/arm/boot/dts/exynos4412.dtsi > @@ -381,6 +381,7 @@ > clocks =3D <&clock CLK_DIV_DMC>; > clock-names =3D "bus"; > operating-points-v2 =3D <&bus_dmc_opp_table>; > + #interconnect-cells =3D <0>; > status =3D "disabled"; > }; > > @@ -450,6 +451,8 @@ > clocks =3D <&clock CLK_DIV_GDL>; > clock-names =3D "bus"; > operating-points-v2 =3D <&bus_leftbus_opp_table>; > + samsung,interconnect-parent =3D <&bus_dmc>; > + #interconnect-cells =3D <0>; > status =3D "disabled"; > }; > > @@ -466,6 +469,8 @@ > clocks =3D <&clock CLK_ACLK160>; > clock-names =3D "bus"; > operating-points-v2 =3D <&bus_display_opp_table>; > + samsung,interconnect-parent =3D <&bus_leftbus>; > + #interconnect-cells =3D <0>; > status =3D "disabled"; > }; > > -- > 2.7.4 > Reviewed-by: Chanwoo Choi --=20 Best Regards, Chanwoo Choi Samsung Electronics