overlays: Add chipdip-dac overlay

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
pelwell · Jul 23, 2021 · f93d5d3 · f93d5d3
1 parent da6bb3b
commit f93d5d3
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diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
@@ -31,6 +31,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	audremap.dtbo \
 	balena-fin.dtbo \
 	cap1106.dtbo \
+	chipdip-dac.dtbo \
 	chipdip-i2s-master-dac.dtbo \
 	cma.dtbo \
 	dht11.dtbo \

diff --git a/arch/arm/boot/dts/overlays/chipdip-dac-overlay.dts b/arch/arm/boot/dts/overlays/chipdip-dac-overlay.dts
@@ -0,0 +1,39 @@
+/*
+ * Device Tree overlay for ChipDip I2S master DAC
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+    compatible = "brcm,bcm2835";
+
+    fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+    fragment@1 {
+        target-path = "/";
+        __overlay__ {
+            spdif-transmitter {
+                #address-cells = <0>;
+                #size-cells = <0>;
+                #sound-dai-cells = <0>;
+                compatible = "linux,spdif-dit";
+                status = "okay";
+            };
+        };
+    };
+
+    fragment@2 {
+		target = <&sound>;
+		__overlay__ {
+			compatible = "chipdip,chipdip-dac";
+			i2s-controller = <&i2s>;
+			status = "okay";
+		};
+	};
+};