seeed-voicecard/seeed-voicecard-overlay.dts

/dts-v1/;
/plugin/;

/ {
    compatible = "brcm,bcm2708";

    fragment@0 {
        target = <&i2s>;
        __overlay__ {
            status = "okay";
        };
    };
    fragment@1 {
		target-path="/";
		__overlay__ {
                        wm8960_mclk: wm8960_mclk {
                                compatible = "fixed-clock";
                                #clock-cells = <0>;
                                clock-frequency = <12288000>;
                        };

		};
    };
    fragment@2 {
		target = <&i2c1>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			wm8960: wm8960{
				compatible = "wlf,wm8960";
				reg = <0x1a>;
				#sound-dai-cells = <0>;
				AVDD-supply = <&vdd_5v0_reg>;
				DVDD-supply = <&vdd_3v3_reg>;
			};
		};
    };

    fragment@3 {
        target = <&sound>;
        master_overlay: __dormant__ {
            compatible = "simple-audio-card";
            simple-audio-card,format = "i2s";
            simple-audio-card,name = "seeed-voicecard";
            simple-audio-card,bitclock-master = <&dailink0_master>;
            simple-audio-card,frame-master = <&dailink0_master>;
            status = "okay";
                simple-audio-card,widgets =
                        "Microphone", "Mic Jack",
                        "Line", "Line In",
                        "Line", "Line Out",
                        "Speaker", "Speaker",
                        "Headphone", "Headphone Jack";
                simple-audio-card,routing =
                        "Headphone Jack", "HP_L",
                        "Headphone Jack", "HP_R",
                        "Speaker", "SPK_LP",
                        "Speaker", "SPK_LN",
                        "LINPUT1", "Mic Jack",
                        "LINPUT3", "Mic Jack",
                        "RINPUT1", "Mic Jack",
                        "RINPUT2", "Mic Jack";


            simple-audio-card,cpu {
                sound-dai = <&i2s>;
            };
            dailink0_master: simple-audio-card,codec {
                sound-dai = <&wm8960>;
                        clocks = <&wm8960_mclk>;
                        clock-names = "mclk";
            };
        };
    };

    fragment@4 {
        target = <&sound>;
        slave_overlay: __overlay__ {
                compatible = "simple-audio-card";
                simple-audio-card,format = "i2s";
                simple-audio-card,name = "seeed-voicecard"; 
                status = "okay";
                simple-audio-card,widgets =
                        "Microphone", "Mic Jack",
                        "Line", "Line In",
                        "Line", "Line Out",
                        "Speaker", "Speaker",
                        "Headphone", "Headphone Jack";
                simple-audio-card,routing =
                        "Headphone Jack", "HP_L",
                        "Headphone Jack", "HP_R",
                        "Speaker", "SPK_LP",
                        "Speaker", "SPK_LN",
                        "LINPUT1", "Mic Jack",
                        "LINPUT3", "Mic Jack",
                        "RINPUT1", "Mic Jack",
                        "RINPUT2", "Mic Jack";




                simple-audio-card,cpu {
                    sound-dai = <&i2s>;
                };
                dailink0_slave: simple-audio-card,codec {
                    sound-dai = <&wm8960>;
			clocks = <&wm8960_mclk>;
			clock-names = "mclk";

                };
        };
    };

    __overrides__ {
        alsaname = <&master_overlay>,"simple-audio-card,name",
                    <&slave_overlay>,"simple-audio-card,name";
        compatible = <&wm8960>,"compatible";
        master = <0>,"=2!3";
    };
};