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[参考译文] AM5728:音频播放错误

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Other Parts Discussed in Thread: TLV320AIC3120, AM5728

请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/593615/am5728-audio-playback-error

主题中讨论的其他器件:TLV320AIC3120AM5728

大家好:

    现在、我们要使用 tlv320aic3120在 am5728定制板上进行音频回放。

     当我们配置 devicetree 时、内核将像下面那样报告错误

     ### aic31xx_set_dai SYSCLK:clk_id = 0、freq = 22579200、dir = 0

    tlv320aic31xx-codec 0-0018:aic31xx_set_da_SYSCLK:不支持的频率22579200

    我的 devicetree 如下所示:

声音0:声音@0{
        兼容="简单音频卡";
        simple-audio-card、name ="自定义";
        simple-audio-card、小工具=
        "耳机"、"耳机插孔"、
        "扬声器"、"扬声器";
       简单音频卡,路由=
        "耳机插孔"、"HPL"、
        "耳机插孔"、"HPR"、
        "扬声器"、"SPL"、
        "扬声器"、"SPR";
         simple-audio-card、format ="I2S";
         simple-audio-card、bitclock-master =<&sound0_master>;
         simple-audio-card、frame-master =<&sound0_master>;
         简单音频卡、CPU{
                Sound-Dai =<&mcasp3>;
         };

         sound0_master:simple-audio-card、codec{
               sound-dai =<&tlv320aic3120>;
               时钟=<&clkout2_clk>;
         };
   };

tlv320aic3120:tlv320aic3120@18{
          #sound-di-cells =<0>;
          兼容="ti、tlv320aic3120";
          reg =<0x18>;
          分配的时钟=<&clkoutmux2_clk_mux>;
          分配的时钟父节点=<&sys_clk2_dclk_ddiv>;

               adc -稳定-ms =<40>;
               SPRVDD 电源=<&VDD_3V3>;
               SPLVDD 电源=<&VDD_3V3>;
               AVDD-SUPPLY =<&VDD_3V3>;
              IOVdd-supply =<&VDD_3V3>;
              DRVDD-SUPPLY =<&VDD_3V3>;
              DVDD 电源=<&AIC_DVDD>;

              状态="正常";
      };

在硬件中、我们使用了引脚 clkout2来生成 MCLK、以达到 tlv320aic3120?

那么、我们如何在 devicetree 中将 clkout2更改为12MHz 或24MHZ

谢谢

此致

 

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
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