moving things around and adding examples for mic hat code

2023-04-27 10:34:53 -07:00
parent 91671ef554
commit 77c085ba69
121 changed files with 1273 additions and 0 deletions
@@ -0,0 +1,75 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2708";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			#sound-dai-cells = <0>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			ac108_mclk: codec-mclk {
+				compatible = "fixed-clock";
+				#clock-cells = <0>;
+				clock-frequency = <24000000>;
+			};  
+		};
+	};
+
+	fragment@2 {
+		target = <&i2c1>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			ac108_a: ac108@3b{
+				compatible = "x-power,ac108_0";
+				reg = <0x3b>;
+				#sound-dai-cells = <0>;
+				data-protocol = <0>;
+			};
+		};
+	};
+
+
+	fragment@3 {
+		target = <&sound>;
+
+		sound_overlay: __overlay__ {
+			compatible = "seeed-voicecard";
+			seeed-voice-card,format = "dsp_a";
+			seeed-voice-card,name = "seeed-4mic-voicecard"; 
+			status = "okay";
+		
+			seeed-voice-card,bitclock-master = <&codec_dai>;
+			seeed-voice-card,frame-master = <&codec_dai>;
+			seeed-voice-card,channels-playback-override = <4>;
+			seeed-voice-card,channels-capture-override  = <4>;
+
+			cpu_dai: seeed-voice-card,cpu {
+				sound-dai = <&i2s>;
+				dai-tdm-slot-num     = <2>;
+				dai-tdm-slot-width   = <32>;
+				dai-tdm-slot-tx-mask = <1 1 0 0>;
+				dai-tdm-slot-rx-mask = <1 1 0 0>;
+			};
+			codec_dai: seeed-voice-card,codec {
+				sound-dai = <&ac108_a>;
+				clocks =  <&ac108_mclk>;
+			};
+		};
+	};
+
+	__overrides__ {
+		card-name = <&sound_overlay>,"seeed-voice-card,name";
+	};
+};
+