example for dts: tas2557@4c { #sound-dai-cells = <1>; compatible = "ti,tas2557"; reg = <0x4c>; ti,cdc-reset-gpio = <&msmgpio 73 0>; ti,irq-gpio = <&msmgpio 59 0>; ti,i2s-bits = <16>; /* support 16, 24, 32 */ status = "ok"; };