On Tue, Feb 02, 2016 at 04:28:52PM +0530, Vineet Gupta wrote: > ARC Timers have historically been probed directly. > As precursor to start probing Timers thru DT introduce these bindings > > Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> > Cc: Rob Herring <robh@xxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> > --- > .../devicetree/bindings/timer/snps,arc-timer0.txt | 23 ++++++++++++++++++++++ > .../devicetree/bindings/timer/snps,arc-timer1.txt | 17 ++++++++++++++++ > .../devicetree/bindings/timer/snps,archs-gfrc.txt | 14 +++++++++++++ > .../devicetree/bindings/timer/snps,archs-rtc.txt | 14 +++++++++++++ > arch/arc/boot/dts/abilis_tb10x.dtsi | 12 +++++++++++ > arch/arc/boot/dts/skeleton.dtsi | 12 +++++++++++ > arch/arc/boot/dts/skeleton_hs.dtsi | 12 +++++++++++ > arch/arc/boot/dts/skeleton_hs_idu.dtsi | 12 +++++++++++ > 8 files changed, 116 insertions(+) > create mode 100644 Documentation/devicetree/bindings/timer/snps,arc-timer0.txt > create mode 100644 Documentation/devicetree/bindings/timer/snps,arc-timer1.txt > create mode 100644 Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt > create mode 100644 Documentation/devicetree/bindings/timer/snps,archs-rtc.txt > > diff --git a/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt b/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt > new file mode 100644 > index 000000000000..ceb80c72a90b > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt > @@ -0,0 +1,23 @@ > +Synopsys ARC Local Timer with Interrupt Capabilities > +- Found on all ARC CPUs (ARC700/ARCHS) > +- Mandatory clockevent provider > + > +Required properties: > + > +- compatible : should be "snps,arc-timer0" timer0 and timer1 are different h/w blocks, not just different instances? > +- interrupts : single Interrupt going into parent intc > + (16 for ARCHS cores, 3 for ARC700 cores) > +- clocks : phandle to the source clock > + > +Optional properties: > + > +- interrupt-parent : phandle to parent intc > + > +Example: > + > + timer0: timer_clkevt { just "timer" for node name. clkevt is a Linuxism. > + compatible = "snps,arc-timer0"; > + interrupts = <3>; > + interrupt-parent = <&core_intc>; > + clocks = <&timer0_clk>; > + }; > diff --git a/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt b/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt > new file mode 100644 > index 000000000000..4886192ce2f2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt > @@ -0,0 +1,17 @@ > +Synopsys ARC Free Running Local 32-bit Timer > +- Found on all ARC CPUs (ARC700/ARCHS) > +- Mandatory clocksource provider on ARC700 > +- Optional clocksource provider on UP ARC HS CPUs > + (and if better timer archs-rtc not available in SoC) > + > +Required properties: > + > +- compatible : should be "snps,arc-timer1" > +- clocks : phandle to the source clock No interrupt because it doesn't have one or you use this as a clocksource and don't need it? > + > +Example: > + > + timer1: timer_clksrc { > + compatible = "snps,arc-timer1"; > + clocks = <&timer0_clk>; > + }; > diff --git a/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt > new file mode 100644 > index 000000000000..cce60e16aa0d > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt > @@ -0,0 +1,14 @@ > +Synopsys ARC Free Running 64-bit Global Timer for ARC HS CPUs > +- clocksourc provider for SMP SoC > + > +Required properties: > + > +- compatible : should be "snps,archs-gfrc" > +- clocks : phandle to the source clock > + > +Example: > + > + timer1: timer_clksrc { > + compatible = "snps,archs-gfrc"; > + clocks = <&timer0_clk>; > + }; > diff --git a/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt > new file mode 100644 > index 000000000000..f3b49938812b > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt > @@ -0,0 +1,14 @@ > +Synopsys ARC Free Running 64-bit Local Timer for ARC HS CPUs > +- clocksourc provider for UP SoC local timer on a UP processor? > + > +Required properties: > + > +- compatible : should be "snps,archs-rtc" > +- clocks : phandle to the source clock > + > +Example: > + > + timer1: timer_clksrc { > + compatible = "snps,arc-rtc"; > + clocks = <&timer0_clk>; > + }; -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html