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From 58e6a45fb77833acc3fdaf0460ed3407f22dee63 Mon Sep 17 00:00:00 2001
From: pifi-bz <73530753+pifi-bz@users.noreply.github.com>
Date: Fri, 19 Feb 2021 13:14:32 +0200
Subject: [PATCH] DAC overlays (#4154)
Adding overlays for PiFi DAC Zero and PiFi DAC HD.
Signed-off-by: David Knell <david.knell@gmail.com>
---
arch/arm/boot/dts/overlays/Makefile | 2 +
arch/arm/boot/dts/overlays/README | 12 +++++
.../boot/dts/overlays/pifi-dac-hd-overlay.dts | 49 +++++++++++++++++++
.../dts/overlays/pifi-dac-zero-overlay.dts | 49 +++++++++++++++++++
4 files changed, 112 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts
create mode 100644 arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts
--- 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 \
--- 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
--- /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>;
+ };
+ };
+ };
+ };
+};
--- /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";
+ };
+ };
+};
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