Overlays for PiFi-Mini amp

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------
Signed-off-by: NDavid Knell <david.knell@gmail.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm/boot/dts/overlays/Makefile

@@ -130,6 +130,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	pibell.dtbo \
 	pifacedigital.dtbo \
 	pifi-40.dtbo \
+	pifi-mini-210.dtbo \
 	piglow.dtbo \
 	piscreen.dtbo \
 	piscreen2r.dtbo \

arch/arm/boot/dts/overlays/README

@@ -2131,6 +2131,12 @@ Load:   dtoverlay=pifi-40
 Params: <None>
 
 
+Name:   pifi-mini-210
+Info:   Configures the PiFi Mini stereo amplifier
+Load:   dtoverlay=pifi-mini-210
+Params: <None>
+
+
 Name:   piglow
 Info:   Configures the PiGlow by pimoroni.com
 Load:   dtoverlay=piglow

arch/arm/boot/dts/overlays/pifi-mini-210-overlay.dts

+// Definitions for PiFi Mini 210
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2835";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c1>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			tas5711@1a {
+				#sound-dai-cells = <0>;
+				compatible = "ti,tas5711";
+				reg = <0x1a>;
+				status = "okay";
+				pdn-gpios = <&gpio 23 1>;
+				reset-gpios = <&gpio 24 1>;
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		__overlay__ {
+			compatible = "pifi,pifi-mini-210";
+			i2s-controller = <&i2s>;
+
+			status = "okay";
+		};
+	};
+};