| Message ID | 20201201123932.12312-2-martin.kepplinger@puri.sm |
|---|---|
| State | Superseded |
| Headers | show |
| Series | imx8mq: updates for the interconnect fabric | expand |
On Tue, Dec 01, 2020 at 01:39:26PM +0100, Martin Kepplinger wrote: > From: Leonard Crestez <leonard.crestez@nxp.com> > > Add initial support for dynamic frequency scaling of main NOC. > > 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> > Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm> (imx8mq) > --- > arch/arm64/boot/dts/freescale/imx8mm.dtsi | 22 ++++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 22 ++++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 22 ++++++++++++++++++++++ > 3 files changed, 66 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi > index c824f2615fe8..835b19f0ea42 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi > @@ -921,6 +921,28 @@ > > }; > > + noc: interconnect@32700000 { > + compatible = "fsl,imx8mm-noc", "fsl,imx8m-noc"; > + reg = <0x32700000 0x100000>; > + clocks = <&clk IMX8MM_CLK_NOC>; > + devfreq = <&ddrc>; This does not pass the dtschema checks. Are you missing here any dependencies? arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: interconnect@32700000: 'devfreq' does not match any of the regexes: 'pinctrl-[0-9]+' Best regards, Krzysztof
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index c824f2615fe8..835b19f0ea42 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -921,6 +921,28 @@ }; + noc: interconnect@32700000 { + compatible = "fsl,imx8mm-noc", "fsl,imx8m-noc"; + reg = <0x32700000 0x100000>; + clocks = <&clk IMX8MM_CLK_NOC>; + devfreq = <&ddrc>; + operating-points-v2 = <&noc_opp_table>; + + noc_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-150M { + opp-hz = /bits/ 64 <150000000>; + }; + opp-375M { + opp-hz = /bits/ 64 <375000000>; + }; + opp-750M { + opp-hz = /bits/ 64 <750000000>; + }; + }; + }; + aips4: bus@32c00000 { compatible = "fsl,aips-bus", "simple-bus"; reg = <0x32c00000 0x400000>; diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index a06d2a6268e6..8e2d413f97d4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -772,6 +772,28 @@ }; + noc: interconnect@32700000 { + compatible = "fsl,imx8mn-noc", "fsl,imx8m-noc"; + reg = <0x32700000 0x100000>; + clocks = <&clk IMX8MN_CLK_NOC>; + devfreq = <&ddrc>; + operating-points-v2 = <&noc_opp_table>; + + noc_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-100M { + opp-hz = /bits/ 64 <100000000>; + }; + opp-600M { + opp-hz = /bits/ 64 <600000000>; + }; + opp-800M { + opp-hz = /bits/ 64 <800000000>; + }; + }; + }; + aips4: bus@32c00000 { compatible = "fsl,aips-bus", "simple-bus"; reg = <0x32c00000 0x400000>; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index a841a023e8e0..d139a46ee8ce 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>; + devfreq = <&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>;