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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Artur, Thank you for your continuous work on this. On 12/20/19 13:56, Artur Świgoń 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; Is this DT property documented somewhere? I believe that there should be a patch to document it somewhere in Documentation/devicetree/bindings/ before using it. Thanks, Georgi > - #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 Świgoń > --- > 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/boot/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 = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; > vdd-supply = <&buck1_reg>; > + #interconnect-cells = <0>; > status = "okay"; > }; > > @@ -106,6 +107,8 @@ > &bus_leftbus { > exynos,ppmu-device = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; > vdd-supply = <&buck3_reg>; > + exynos,interconnect-parent-node = <&bus_dmc>; > + #interconnect-cells = <0>; > status = "okay"; > }; > > @@ -116,6 +119,8 @@ > > &bus_display { > exynos,parent-bus = <&bus_leftbus>; > + exynos,interconnect-parent-node = <&bus_leftbus>; > + #interconnect-cells = <0>; > status = "okay"; > }; > >