In order to support dynamic frequency scaling: - the cpuclk Device Tree node must be added
- the clock property of the CPUs must be filled including the clock-latency property. Signed-off-by: Gregory CLEMENT <[email protected]> --- arch/arm/boot/dts/armada-380.dtsi | 3 +++ arch/arm/boot/dts/armada-385.dtsi | 6 ++++++ arch/arm/boot/dts/armada-38x.dtsi | 9 +++++++++ 3 files changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi index 5102d19cc8f4..f9dbc75bea73 100644 --- a/arch/arm/boot/dts/armada-380.dtsi +++ b/arch/arm/boot/dts/armada-380.dtsi @@ -61,6 +61,9 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; + clocks = <&cpuclk 0>; + clock-latency = <1000000>; + clock-names = "cpu0"; }; }; diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi index 8e67d2c083dd..62660dd377be 100644 --- a/arch/arm/boot/dts/armada-385.dtsi +++ b/arch/arm/boot/dts/armada-385.dtsi @@ -61,11 +61,17 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; + clocks = <&cpuclk 0>; + clock-latency = <1000000>; + clock-names = "cpu0"; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; + clocks = <&cpuclk 0>; + clock-latency = <1000000>; + clock-names = "cpu1"; }; }; diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi index 04ecfe6e2bc6..08409e92f3f3 100644 --- a/arch/arm/boot/dts/armada-38x.dtsi +++ b/arch/arm/boot/dts/armada-38x.dtsi @@ -369,6 +369,15 @@ #clock-cells = <1>; }; + cpuclk: clock-complex@18700 { + compatible = "marvell,armada-380-cpu-clock", + "marvell,armada-xp-cpu-clock"; + reg = <0x18700 0xA0>, <0x1c054 0x40>, + <0xe4260 0x8>; + clocks = <&coreclk 1>; + #clock-cells = <1>; + }; + mbusc: mbus-controller@20000 { compatible = "marvell,mbus-controller"; reg = <0x20000 0x100>, <0x20180 0x20>; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
