On Zynq the TTC's input clock is directly derived from the CPU clock. I.e. the input clock is not constant but scales with the CPU frequency.
Signed-off-by: Soren Brinkmann <[email protected]> --- arch/arm/boot/dts/zynq-7000.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi index 6f54a64..c4d4e59 100644 --- a/arch/arm/boot/dts/zynq-7000.dtsi +++ b/arch/arm/boot/dts/zynq-7000.dtsi @@ -97,6 +97,7 @@ interrupts = < 0 10 4 0 11 4 0 12 4 >; compatible = "cdns,ttc"; clocks = <&clkc 6>; + input-clock-unstable; reg = <0xF8001000 0x1000>; clock-ranges; }; @@ -107,6 +108,7 @@ compatible = "cdns,ttc"; clocks = <&clkc 6>; reg = <0xF8002000 0x1000>; + input-clock-unstable; clock-ranges; }; scutimer: scutimer@f8f00600 { -- 1.8.4 -- 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/
