On 08.12.2015 03:18, Bartlomiej Zolnierkiewicz wrote: > From: Thomas Abraham <thomas.ab@xxxxxxxxxxx> > > For Exynos5420 platforms, add CPU operating points for > migrating from Exynos specific cpufreq driver to using > generic cpufreq driver. > > Changes by Bartlomiej: > - split Exynos5420 support from the original patch > > Changes by Ben Gamari: > - Port to operating-points-v2 > > Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx> > Cc: Doug Anderson <dianders@xxxxxxxxxxxx> > Cc: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx> > Cc: Andreas Faerber <afaerber@xxxxxxx> > Cc: Sachin Kamat <sachin.kamat@xxxxxxxxxx> Sachin's address does not work neither. > Cc: Thomas Abraham <thomas.ab@xxxxxxxxxxx> Thomas' SoB disappeared. I see that you directly re-used Thomas' values for voltages and frequencies. For Exynos5420 we could go down to 200 MHz (for both cores) but this can be fine-tuned per-board later. Best regards, Krzysztof > Signed-off-by: Ben Gamari <ben@xxxxxxxxxxxxxxxx> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> > --- > arch/arm/boot/dts/exynos5420.dtsi | 122 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 122 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi > index 48a0a55..f8f70a5 100644 > --- a/arch/arm/boot/dts/exynos5420.dtsi > +++ b/arch/arm/boot/dts/exynos5420.dtsi > @@ -50,6 +50,116 @@ > usbdrdphy1 = &usbdrd_phy1; > }; > > + cpu0_opp_table: opp_table0 { > + compatible = "operating-points-v2"; > + opp-shared; > + opp00@1800000000 { > + opp-hz = /bits/ 64 <1800000000>; > + opp-microvolt = <1250000>; > + clock-latency-ns = <140000>; > + }; > + opp01@1700000000 { > + opp-hz = /bits/ 64 <1700000000>; > + opp-microvolt = <1212500>; > + clock-latency-ns = <140000>; > + }; > + opp02@1600000000 { > + opp-hz = /bits/ 64 <1600000000>; > + opp-microvolt = <1175000>; > + clock-latency-ns = <140000>; > + }; > + opp03@1500000000 { > + opp-hz = /bits/ 64 <1500000000>; > + opp-microvolt = <1137500>; > + clock-latency-ns = <140000>; > + }; > + opp04@1400000000 { > + opp-hz = /bits/ 64 <1400000000>; > + opp-microvolt = <1112500>; > + clock-latency-ns = <140000>; > + }; > + opp05@1300000000 { > + opp-hz = /bits/ 64 <1300000000>; > + opp-microvolt = <1062500>; > + clock-latency-ns = <140000>; > + }; > + opp06@1200000000 { > + opp-hz = /bits/ 64 <1200000000>; > + opp-microvolt = <1037500>; > + clock-latency-ns = <140000>; > + }; > + opp07@1100000000 { > + opp-hz = /bits/ 64 <1100000000>; > + opp-microvolt = <1012500>; > + clock-latency-ns = <140000>; > + }; > + opp08@1000000000 { > + opp-hz = /bits/ 64 <1000000000>; > + opp-microvolt = < 987500>; > + clock-latency-ns = <140000>; > + }; > + opp09@900000000 { > + opp-hz = /bits/ 64 <900000000>; > + opp-microvolt = < 962500>; > + clock-latency-ns = <140000>; > + }; > + opp10@800000000 { > + opp-hz = /bits/ 64 <800000000>; > + opp-microvolt = < 937500>; > + clock-latency-ns = <140000>; > + }; > + opp11@700000000 { > + opp-hz = /bits/ 64 <700000000>; > + opp-microvolt = < 912500>; > + clock-latency-ns = <140000>; > + }; > + }; > + > + cpu1_opp_table: opp_table1 { > + compatible = "operating-points-v2"; > + opp-shared; > + opp00@1300000000 { > + opp-hz = /bits/ 64 <1300000000>; > + opp-microvolt = <1275000>; > + clock-latency-ns = <140000>; > + }; > + opp01@1200000000 { > + opp-hz = /bits/ 64 <1200000000>; > + opp-microvolt = <1212500>; > + clock-latency-ns = <140000>; > + }; > + opp02@1100000000 { > + opp-hz = /bits/ 64 <1100000000>; > + opp-microvolt = <1162500>; > + clock-latency-ns = <140000>; > + }; > + opp03@1000000000 { > + opp-hz = /bits/ 64 <1000000000>; > + opp-microvolt = <1112500>; > + clock-latency-ns = <140000>; > + }; > + opp04@900000000 { > + opp-hz = /bits/ 64 <900000000>; > + opp-microvolt = <1062500>; > + clock-latency-ns = <140000>; > + }; > + opp05@800000000 { > + opp-hz = /bits/ 64 <800000000>; > + opp-microvolt = <1025000>; > + clock-latency-ns = <140000>; > + }; > + opp06@700000000 { > + opp-hz = /bits/ 64 <700000000>; > + opp-microvolt = <975000>; > + clock-latency-ns = <140000>; > + }; > + opp07@600000000 { > + opp-hz = /bits/ 64 <600000000>; > + opp-microvolt = <937500>; > + clock-latency-ns = <140000>; > + }; > + }; > + > cpus { > #address-cells = <1>; > #size-cells = <0>; > @@ -58,8 +168,11 @@ > device_type = "cpu"; > compatible = "arm,cortex-a15"; > reg = <0x0>; > + clocks = <&clock CLK_ARM_CLK>; > + clock-names = "cpu-cluster.0"; > clock-frequency = <1800000000>; > cci-control-port = <&cci_control1>; > + operating-points-v2 = <&cpu0_opp_table>; > }; > > cpu1: cpu@1 { > @@ -68,6 +181,7 @@ > reg = <0x1>; > clock-frequency = <1800000000>; > cci-control-port = <&cci_control1>; > + operating-points-v2 = <&cpu0_opp_table>; > }; > > cpu2: cpu@2 { > @@ -76,6 +190,7 @@ > reg = <0x2>; > clock-frequency = <1800000000>; > cci-control-port = <&cci_control1>; > + operating-points-v2 = <&cpu0_opp_table>; > }; > > cpu3: cpu@3 { > @@ -84,14 +199,18 @@ > reg = <0x3>; > clock-frequency = <1800000000>; > cci-control-port = <&cci_control1>; > + operating-points-v2 = <&cpu0_opp_table>; > }; > > cpu4: cpu@100 { > device_type = "cpu"; > compatible = "arm,cortex-a7"; > reg = <0x100>; > + clocks = <&clock CLK_KFC_CLK>; > + clock-names = "cpu-cluster.1"; > clock-frequency = <1000000000>; > cci-control-port = <&cci_control0>; > + operating-points-v2 = <&cpu1_opp_table>; > }; > > cpu5: cpu@101 { > @@ -100,6 +219,7 @@ > reg = <0x101>; > clock-frequency = <1000000000>; > cci-control-port = <&cci_control0>; > + operating-points-v2 = <&cpu1_opp_table>; > }; > > cpu6: cpu@102 { > @@ -108,6 +228,7 @@ > reg = <0x102>; > clock-frequency = <1000000000>; > cci-control-port = <&cci_control0>; > + operating-points-v2 = <&cpu1_opp_table>; > }; > > cpu7: cpu@103 { > @@ -116,6 +237,7 @@ > reg = <0x103>; > clock-frequency = <1000000000>; > cci-control-port = <&cci_control0>; > + operating-points-v2 = <&cpu1_opp_table>; > }; > }; > > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html