On Wed, Feb 5, 2014 at 7:47 AM, Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxx> wrote: > This patch provides bindings for the 64-bit timer in the KeyStone > architecture devices. The timer can be configured as a general-purpose 64-bit > timer, dual general-purpose 32-bit timers. When configured as dual 32-bit > timers, each half can operate in conjunction (chain mode) or independently > (unchained mode) of each other. This is software configurable or h/w design time configurations? Rob > > It is global timer is a free running up-counter and can generate interrupt > when the counter reaches preset counter values. > > Documentation: > http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf > > Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxx> > --- > .../bindings/timer/ti,keystone-timer.txt | 29 ++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/timer/ti,keystone-timer.txt > > diff --git a/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt > new file mode 100644 > index 0000000..5fbe361 > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt > @@ -0,0 +1,29 @@ > +* Device tree bindings for Texas instruments Keystone timer > + > +This document provides bindings for the 64-bit timer in the KeyStone > +architecture devices. The timer can be configured as a general-purpose 64-bit > +timer, dual general-purpose 32-bit timers. When configured as dual 32-bit > +timers, each half can operate in conjunction (chain mode) or independently > +(unchained mode) of each other. > + > +It is global timer is a free running up-counter and can generate interrupt > +when the counter reaches preset counter values. > + > +Documentation: > +http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf > + > +Required properties: > + > +- compatible : should be "ti,keystone-timer". > +- reg : specifies base physical address and count of the registers. > +- interrupts : interrupt generated by the timer. > +- clocks : the clock feeding the timer clock. > + > +Example: > + > +timer@22f0000 { > + compatible = "ti,keystone-timer"; > + reg = <0x022f0000 0x80>; > + interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>; > + clocks = <&clktimer15>; > +}; > -- > 1.8.3.2 > -- 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
