Adding the dt data for the 56 global counter which supplies the count to the arm arch timers.
Signed-off-by: Varadarajan Narayanan <var...@codeaurora.org> --- > Refer http://www.spinics.net/lists/linux-arm-msm/msg16660.html > > On Fri, Aug 21, 2015 at 09:21:33AM -0700, Bjorn Andersson > wrote: > > Most of the time when there's a device consuming one > register it turns out to be part of some larger hw block > and down the road things get complicated from the fact > that we mapped 4 bytes in the middle. > > Is this part of a larger block? Can we better implement > that as a simple-mfd or syscon? It is a part of larger block. However, we are ok with the default settings of the other registers. In a subsequent patch we will set a value in this register. Please let me know if I should still go for mfd/syscon Documentation/devicetree/bindings/clock/qca,gcnt.txt | 15 +++++++++++++++ arch/arm/boot/dts/qcom-ipq40xx.dtsi | 5 +++++ 2 files changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qca,gcnt.txt diff --git a/Documentation/devicetree/bindings/clock/qca,gcnt.txt b/Documentation/devicetree/bindings/clock/qca,gcnt.txt new file mode 100644 index 0000000..ccffc01 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qca,gcnt.txt @@ -0,0 +1,15 @@ +QCA Global Counter +------------------------------------------------ +Enable 56-bit global counter which supplies the count to the arm arch timers. + +Required properties : +- compatible : "qcom,qca-gcnt" + +- reg : shall contain base register location and length + +Example: + + counter { + compatible = "qcom,qca-gcnt"; + reg = <0x004a1000 0x4>; + }; diff --git a/arch/arm/boot/dts/qcom-ipq40xx.dtsi b/arch/arm/boot/dts/qcom-ipq40xx.dtsi index f572f38..76c55a3 100644 --- a/arch/arm/boot/dts/qcom-ipq40xx.dtsi +++ b/arch/arm/boot/dts/qcom-ipq40xx.dtsi @@ -62,6 +62,11 @@ <0x0b002000 0x1000>; }; + counter { + compatible = "qcom,qca-gcnt"; + reg = <0x004a1000 0x4>; + }; + timer { compatible = "arm,armv7-timer"; interrupts = <1 2 0xf08>, -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
