1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0139-overlays-Add-applepi-dac-overlay.patch b/target/linux/brcm2708/patches-4.14/950-0139-overlays-Add-applepi-dac-overlay.patch
new file mode 100644
index 0000000000..a60fc8dc98
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0139-overlays-Add-applepi-dac-overlay.patch
@@ -0,0 +1,100 @@
+From 55b3c295a6dd32de589bcd38c771748773e2d0d2 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Sat, 9 Dec 2017 21:45:12 +0000
+Subject: [PATCH 139/454] overlays: Add applepi-dac overlay
+
+See: https://github.com/raspberrypi/linux/issues/2302
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ arch/arm/boot/dts/overlays/README             |  6 ++
+ .../boot/dts/overlays/applepi-dac-overlay.dts | 57 +++++++++++++++++++
+ 3 files changed, 64 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/applepi-dac-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -11,6 +11,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	allo-digione.dtbo \
+ 	allo-piano-dac-pcm512x-audio.dtbo \
+ 	allo-piano-dac-plus-pcm512x-audio.dtbo \
++	applepi-dac.dtbo \
+ 	at86rf233.dtbo \
+ 	audioinjector-addons.dtbo \
+ 	audioinjector-wm8731-audio.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -337,6 +337,12 @@ Params: 24db_digital_gain       Allow ga
+                                 better voice quality. (default Off)
+ 
+ 
++Name:   applepi-dac
++Info:   Configures the Orchard Audio ApplePi-DAC audio card
++Load:   dtoverlay=applepi-dac
++Params: <None>
++
++
+ Name:   at86rf233
+ Info:   Configures the Atmel AT86RF233 802.15.4 low-power WPAN transceiver,
+         connected to spi0.0
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/applepi-dac-overlay.dts
+@@ -0,0 +1,57 @@
++/dts-v1/;
++/plugin/;
++
++/ {
++    compatible = "brcm,bcm2708";
++
++    fragment@0 {
++        target = <&sound>;
++        __overlay__ {
++            compatible = "simple-audio-card";
++            simple-audio-card,name = "ApplePi-DAC";
++
++            status = "okay";
++
++            playback_link: simple-audio-card,dai-link@1 {
++                format = "i2s";
++
++                p_cpu_dai: cpu {
++                    sound-dai = <&i2s>;
++                    dai-tdm-slot-num = <2>;
++                    dai-tdm-slot-width = <32>;
++                };
++
++                p_codec_dai: codec {
++                    sound-dai = <&codec_out>;
++                };
++            };
++        };
++    };
++
++    fragment@1 {
++        target-path = "/";
++        __overlay__ {
++            codec_out: pcm1794a-codec {
++                #sound-dai-cells = <0>;
++                compatible = "ti,pcm1794a";
++                status = "okay";
++            };
++        };
++    };
++
++    fragment@2 {
++        target = <&i2s>;
++        __overlay__ {
++            #sound-dai-cells = <0>;
++            status = "okay";
++        };
++    };
++};
++
++/*
++   Written by: Leonid Ayzenshtat
++   Company: Orchard Audio (www.orchardaudio.com)
++
++   compile with:
++   dtc -@ -H epapr -O dtb -o ApplePi-DAC.dtbo -W no-unit_address_vs_reg ApplePi-DAC.dts
++*/