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"; }; };