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94 lines
2.8 KiB
Diff
94 lines
2.8 KiB
Diff
From 1cd1f19adbe020544e18193a006af9c71c8c82ca Mon Sep 17 00:00:00 2001
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From: chris johnson <plasticchris@gmail.com>
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Date: Sun, 22 Jan 2017 03:27:31 +0000
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Subject: [PATCH] ASoC: A simple-card overlay for ADAU7002
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Usage: `dtoverlay=adau7002-simple`
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 6 +++
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.../boot/dts/overlays/adau7002-simple-overlay.dts | 52 ++++++++++++++++++++++
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3 files changed, 59 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/adau7002-simple-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -2,6 +2,7 @@
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dtbo-$(CONFIG_ARCH_BCM2835) += \
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adau1977-adc.dtbo \
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+ adau7002-simple.dtbo \
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ads1015.dtbo \
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ads7846.dtbo \
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akkordion-iqdacplus.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -168,6 +168,12 @@ Load: dtoverlay=adau1977-adc
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Params: <None>
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+Name: adau7002-simple
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+Info: Overlay for the activation of ADAU7002 stereo PDM to I2S converter.
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+Load: dtoverlay=adau7002-simple,<param>=<val>
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+Params: card-name Override the default, "adau7002", card name.
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+
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+
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Name: ads1015
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Info: Overlay for activation of Texas Instruments ADS1015 ADC over I2C
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Load: dtoverlay=ads1015,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/adau7002-simple-overlay.dts
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@@ -0,0 +1,52 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&i2s>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target-path = "/";
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+ __overlay__ {
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+ adau7002_codec: adau7002-codec {
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+ #sound-dai-cells = <0>;
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+ compatible = "adi,adau7002";
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+/* IOVDD-supply = <&supply>;*/
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&sound>;
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+ sound_overlay: __overlay__ {
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+ compatible = "simple-audio-card";
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+ simple-audio-card,format = "i2s";
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+ simple-audio-card,name = "adau7002";
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+ simple-audio-card,bitclock-slave = <&dailink0_slave>;
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+ simple-audio-card,frame-slave = <&dailink0_slave>;
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+ simple-audio-card,widgets =
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+ "Microphone", "Microphone Jack";
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+ simple-audio-card,routing =
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+ "PDM_DAT", "Microphone Jack";
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+ status = "okay";
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+ simple-audio-card,cpu {
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+ sound-dai = <&i2s>;
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+ };
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+ dailink0_slave: simple-audio-card,codec {
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+ sound-dai = <&adau7002_codec>;
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+ };
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+ };
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+ };
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+
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+
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+ __overrides__ {
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+ card-name = <&sound_overlay>,"simple-audio-card,name";
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+ };
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+};
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