On Sun, Dec 06, 2015 at 12:45:53PM +0200, Vladimir Zapolskiy wrote: > NXP LPC32xx SoC has a clocking and power control unit (CPC) as a part > of system control block (SCB). CPC is supplied by two external > oscillators and it manages core and most of peripheral > clocks, the change adds description of DT bindings for clock > controller found on LPC32xx SoC series. > > Signed-off-by: Vladimir Zapolskiy <[email protected]>
Acked-by: Rob Herring <[email protected]> > --- > Changes from v1 to v2: > - none > > .../devicetree/bindings/clock/nxp,lpc3220-clk.txt | 30 > ++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/clock/nxp,lpc3220-clk.txt > > diff --git a/Documentation/devicetree/bindings/clock/nxp,lpc3220-clk.txt > b/Documentation/devicetree/bindings/clock/nxp,lpc3220-clk.txt > new file mode 100644 > index 0000000..20cbca3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/nxp,lpc3220-clk.txt > @@ -0,0 +1,30 @@ > +NXP LPC32xx Clock Controller > + > +Required properties: > +- compatible: should be "nxp,lpc3220-clk" > +- reg: should contain clock controller registers location and length > +- #clock-cells: must be 1, the cell holds id of a clock provided by the > + clock controller > +- clocks: phandles of external oscillators, the list must contain one > + 32768 Hz oscillator and may have one optional high frequency oscillator > +- clock-names: list of external oscillator clock names, must contain > + "xtal_32k" and may have optional "xtal" > + > +Examples: > + > + /* System Control Block */ > + scb { > + compatible = "simple-bus"; > + ranges = <0x0 0x040004000 0x00001000>; > + #address-cells = <1>; > + #size-cells = <1>; > + > + clk: clock-controller@0 { > + compatible = "nxp,lpc3220-clk"; > + reg = <0x00 0x114>; > + #clock-cells = <1>; > + > + clocks = <&xtal_32k>, <&xtal>; > + clock-names = "xtal_32k", "xtal"; > + }; > + }; > -- > 2.1.4 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
