DAC overlays (#4154)

Adding overlays for PiFi DAC Zero and PiFi DAC HD.

Signed-off-by: David Knell <david.knell@gmail.com>

diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index 52f62bd..ef0a0cc 100644 (file)
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -130,6 +130,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
        pibell.dtbo \
        pifacedigital.dtbo \
        pifi-40.dtbo \
+       pifi-dac-hd.dtbo \
+       pifi-dac-zero.dtbo \
        pifi-mini-210.dtbo \
        piglow.dtbo \
        piscreen.dtbo \

diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index 090e7c1..c062102 100644 (file)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -2131,6 +2131,18 @@ Load:   dtoverlay=pifi-40
 Params: <None>
 
 
+Name:   pifi-dac-hd
+Info:   Configures the PiFi DAC HD
+Load:   dtoverlay=pifi-dac-hd
+Params: <None>
+
+
+Name:   pifi-dac-zero
+Info:   Configures the PiFi DAC Zero
+Load:   dtoverlay=pifi-dac-zero
+Params: <None>
+
+
 Name:   pifi-mini-210
 Info:   Configures the PiFi Mini stereo amplifier
 Load:   dtoverlay=pifi-mini-210

diff --git a/arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts b/arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts
new file mode 100644 (file)
index 0000000..67f50db
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts
@@ -0,0 +1,49 @@
+// Overlay for PiFi-DAC-HD
+/dts-v1/;
+/plugin/;
+
+/ {
+       compatible = "brcm,bcm2835";
+
+       fragment@0 {
+               target = <&i2s>;
+               __overlay__ {
+                       status = "okay";
+               };
+       };
+
+       fragment@1 {
+               target = <&i2c1>;
+               __overlay__ {
+                       status = "okay";
+                       #address-cells = <1>;
+                       #size-cells =<0>;
+
+                       pcm5142: pcm5142@4c {
+                               #sound-dai-cells = <0>;
+                               compatible = "ti,pcm5142";
+                               reg = <0x4c>;
+                               status = "okay";
+                       };
+               };
+       };
+
+       fragment@2 {
+               target = <&sound>;
+               __overlay__ {
+                       compatible = "simple-audio-card";
+                       simple-audio-card,name = "PiFi-DAC-HD";
+                       status = "okay";
+
+                       simple-audio-card,dai-link@1 {
+                               format = "i2s";
+                               cpu {
+                                       sound-dai = <&i2s>;
+                               };
+                               codec {
+                                       sound-dai = <&pcm5142>;
+                               };
+                       };
+               };
+       };
+};

diff --git a/arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts b/arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts
new file mode 100644 (file)
index 0000000..645ea74
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts
@@ -0,0 +1,49 @@
+// Overlay for PiFi-DAC-Zero
+/dts-v1/;
+/plugin/;
+
+/ {
+       compatible = "brcm,bcm2835";
+
+       fragment@0 {
+               target = <&sound>;
+               __overlay__ {
+                       compatible = "simple-audio-card";
+                       simple-audio-card,name = "PiFi-DAC-Zero";
+                       status = "okay";
+
+                       simple-audio-card,dai-link@1 {
+                               format = "i2s";
+
+                               cpu {
+                                       sound-dai = <&i2s>;
+                                       dai-tdm-slot-num = <2>;
+                                       dai-tdm-slot-width = <32>;
+                               };
+
+                               codec {
+                                       sound-dai = <&codec_out>;
+                               };
+                       };
+               };
+       };
+
+       fragment@1 {
+               target-path = "/";
+               __overlay__ {
+                       codec_out: pcm5102a-codec {
+                               #sound-dai-cells = <0>;
+                               compatible = "ti,pcm5102a";
+                               status = "okay";
+                       };
+               };
+       };
+
+       fragment@2 {
+               target = <&i2s>;
+               __overlay__ {
+                       #sound-dai-cells = <0>;
+                       status = "okay";
+               };
+       };
+};