Hi Stephen,

On 27/08/2015 at 16:22:29 +1000, Stephen Rothwell wrote :

  		clock-frequency = <12000000>;
  	};
  
 +	sound0: sound at 0 {
 +		compatible = "simple-audio-card";
 +		simple-audio-card,name = "AM437x-GP-EVM";
 +		simple-audio-card,widgets =
 +			"Headphone", "Headphone Jack",
 +			"Line", "Line In";
 +		simple-audio-card,routing =
 +			"Headphone Jack",	"HPLOUT",
 +			"Headphone Jack",	"HPROUT",
 +			"LINE1L",		"Line In",
 +			"LINE1R",		"Line In";
 +		simple-audio-card,format = "dsp_b";
 +		simple-audio-card,bitclock-master = <&sound0_master>;
 +		simple-audio-card,frame-master = <&sound0_master>;
 +		simple-audio-card,bitclock-inversion;
 +
 +		simple-audio-card,cpu {
 +			sound-dai = <&mcasp1>;
 +			system-clock-frequency = <12000000>;
 +		};
 +
 +		sound0_master: simple-audio-card,codec {
 +			sound-dai = <&tlv320aic3106>;
 +			system-clock-frequency = <12000000>;
 +		};
 +	};
++
+ 	/* fixed 32k external oscillator clock */
+ 	clk_32k_rtc: clk_32k_rtc {
+ 		#clock-cells = <0>;
+ 		compatible = "fixed-clock";
+ 		clock-frequency = <32768>;
+ 	};

It is just a matter of taste but maybe both oscillators/clocks can be
grouped.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com