Messages in this thread | | | From | Georgi Djakov <> | Subject | Re: [PATCH v3 1/6] arm64: dts: imx8mq: Add NOC node | Date | Mon, 4 Jan 2021 16:53:03 +0200 |
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On 12/10/20 12:09, Martin Kepplinger wrote: > From: Leonard Crestez <leonard.crestez@nxp.com> > > Add initial support for dynamic frequency scaling of the main NOC > on imx8mq. > > Make DDRC the parent of the NOC (using passive governor) so that the > main NOC is automatically scaled together with DDRC by default. > > Support for proactive scaling via interconnect will come on top. > > Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> > Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Acked-by: Georgi Djakov <georgi.djakov@linaro.org>
> --- > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > index a841a023e8e0..9c9d68a14e69 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > @@ -1158,6 +1158,28 @@ > }; > }; > > + noc: interconnect@32700000 { > + compatible = "fsl,imx8mq-noc", "fsl,imx8m-noc"; > + reg = <0x32700000 0x100000>; > + clocks = <&clk IMX8MQ_CLK_NOC>; > + fsl,ddrc = <&ddrc>; > + operating-points-v2 = <&noc_opp_table>; > + > + noc_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + opp-133M { > + opp-hz = /bits/ 64 <133333333>; > + }; > + opp-400M { > + opp-hz = /bits/ 64 <400000000>; > + }; > + opp-800M { > + opp-hz = /bits/ 64 <800000000>; > + }; > + }; > + }; > + > bus@32c00000 { /* AIPS4 */ > compatible = "fsl,aips-bus", "simple-bus"; > reg = <0x32c00000 0x400000>; >
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