On Fri, Feb 15, 2019 at 06:07:24PM +0000, Abel Vesa wrote: > Add the 0.8GHz and 1GHz opps. According to the datasheet: > https://www.nxp.com/docs/en/data-sheet/IMX8MDQLQIEC.pdf > section 3.1.3 Operating ranges. > > The 0.8GHz opp runs in nominal mode with the regulator set to 0.9V. > The 1GHz runs in overdrive mode with the regulator set to 1V. > > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx> > --- > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > index 1a89062..ebdec9e 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > @@ -91,6 +91,7 @@ > clocks = <&clk IMX8MQ_CLK_ARM>; > enable-method = "psci"; > next-level-cache = <&A53_L2>; > + operating-points-v2 = <&a53_0_opp_table>; > }; > > A53_1: cpu@1 { > @@ -101,6 +102,7 @@ > clocks = <&clk IMX8MQ_CLK_ARM>; > enable-method = "psci"; > next-level-cache = <&A53_L2>; > + operating-points-v2 = <&a53_0_opp_table>; > }; > > A53_2: cpu@2 { > @@ -111,6 +113,7 @@ > clocks = <&clk IMX8MQ_CLK_ARM>; > enable-method = "psci"; > next-level-cache = <&A53_L2>; > + operating-points-v2 = <&a53_0_opp_table>; > }; > > A53_3: cpu@3 { > @@ -121,6 +124,7 @@ > clocks = <&clk IMX8MQ_CLK_ARM>; > enable-method = "psci"; > next-level-cache = <&A53_L2>; > + operating-points-v2 = <&a53_0_opp_table>; > }; > > A53_L2: l2-cache0 { > @@ -666,6 +670,25 @@ > status = "disabled"; > }; > > + > + a53_0_opp_table: opp-table { What's the point of having '0' in the label name, considering it's actually referred by all CPU nodes? Shawn > + compatible = "operating-points-v2"; > + opp-shared; > + > + opp-800000000 { > + opp-hz = /bits/ 64 <800000000>; > + opp-microvolt = <900000>; > + clock-latency-ns = <150000>; > + }; > + > + opp-1000000000 { > + opp-hz = /bits/ 64 <1000000000>; > + opp-microvolt = <1000000>; > + clock-latency-ns = <150000>; > + opp-suspend; > + }; > + }; > + > gic: interrupt-controller@38800000 { > compatible = "arm,gic-v3"; > reg = <0x38800000 0x10000>, /* GIC Dist */ > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
