/ {
    i2s1_sound: i2s1-sound {
        status = "okay";
        compatible = "simple-audio-card";
        simple-audio-card,format = "i2s";
        simple-audio-card,mclk-fs = <256>;
        simple-audio-card,name = "rockchip,es8311";
        simple-audio-card,cpu {
                sound-dai = <&i2s1_8ch>;
        };
        simple-audio-card,codec {
                sound-dai = <&es8311>;
        };
    };    
};

&i2s1_8ch {
    status = "okay";
    pinctrl-0 = <&i2s1m0_sclktx
                    &i2s1m0_lrcktx
                    &i2s1m0_sdi0
                    &i2s1m0_sdo0>;
};

&i2c3 {
    status = "okay";
    clock-frequency = <400000>;
        
    es8311: es8311@18 {
            status = "okay";
            compatible = "everest,es8311";
            reg = <0x18>;
            clocks = <&cru I2S1_MCLKOUT>;
            clock-names = "mclk";
            adc-pga-gain = <6>;     /* 18dB */
            adc-volume = <0xbf>;    /* 0dB */
            dac-volume = <0xbf>;    /* 0dB */
            aec-mode = "dac left, adc right";
            pinctrl-names = "default";
            pinctrl-0 = <&i2s1m0_mclk>;
            assigned-clocks = <&cru I2S1_MCLKOUT>, <&cru I2S1_MCLK_TX_IOE>;
            assigned-clock-rates = <12288000>;
            assigned-clock-parents = <&cru I2S1_MCLKOUT_TX>, <&cru I2S1_MCLKOUT_TX>;
            //spk-ctl-gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_HIGH>;
            #sound-dai-cells = <0>;
    };
};