Hi Jiada > >> + > >> + clk8snd: clk8snd { > >> + compatible = "fixed-clock"; > >> + #clock-cells = <0>; > >> + clock-frequency = <24576000>; > >> + }; > > This is the same clock as cs2000, why not directly refer to &cs2000 > > from clksndsel, > > otherwise, if snd_soc_rcar is loaded after snd_soc_pcm3168a_i2c, > > load of snd_soc_pcm3168a_i2c fails with > > "[ 8.412356] pcm3168a 15-0044: Failed to reset device: -6" > > and sound cards can not be created > > > > Could you let me know your thoughts on this? Thank you for pointing it. I will fix it in v2 Best regards --- Kuninori Morimoto