f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
130 lines
3.2 KiB
Diff
130 lines
3.2 KiB
Diff
From 4b26aad69c65e141e7ad5187c558d20304eb4bd8 Mon Sep 17 00:00:00 2001
|
|
From: Aaron Shaw <shawaj@gmail.com>
|
|
Date: Sat, 2 Jan 2021 02:34:03 +0000
|
|
Subject: [PATCH] overlays: add wm8960-soundcard overlay
|
|
|
|
add overlay for waveshare wm8960 simple-audio-card
|
|
|
|
Change-type: patch
|
|
Signed-off-by: Aaron Shaw <shawaj@gmail.com>
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 3 +-
|
|
arch/arm/boot/dts/overlays/README | 7 ++
|
|
.../dts/overlays/wm8960-soundcard-overlay.dts | 82 +++++++++++++++++++
|
|
3 files changed, 91 insertions(+), 1 deletion(-)
|
|
create mode 100644 arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -210,7 +210,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
|
|
w1-gpio.dtbo \
|
|
w1-gpio-pullup.dtbo \
|
|
w5500.dtbo \
|
|
- wittypi.dtbo
|
|
+ wittypi.dtbo \
|
|
+ wm8960-soundcard.dtbo
|
|
|
|
targets += dtbs dtbs_install
|
|
targets += $(dtbo-y)
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -3073,6 +3073,13 @@ Params: led_gpio GPIO for
|
|
"default-on")
|
|
|
|
|
|
+Name: wm8960-soundcard
|
|
+Info: Overlay for the Waveshare wm8960 soundcard
|
|
+Load: dtoverlay=wm8960-soundcard,<param>=<val>
|
|
+Params: alsaname Changes the card name in ALSA
|
|
+ compatible Changes the codec compatibility
|
|
+
|
|
+
|
|
Troubleshooting
|
|
===============
|
|
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
|
|
@@ -0,0 +1,82 @@
|
|
+// Definitions for Waveshare WM8960 https://github.com/waveshare/WM8960-Audio-HAT
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2835";
|
|
+
|
|
+ fragment@0 {
|
|
+ target = <&i2s>;
|
|
+ __overlay__ {
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target-path="/";
|
|
+ __overlay__ {
|
|
+ wm8960_mclk: wm8960_mclk {
|
|
+ compatible = "fixed-clock";
|
|
+ #clock-cells = <0>;
|
|
+ clock-frequency = <12288000>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+ fragment@2 {
|
|
+ target = <&i2c1>;
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ status = "okay";
|
|
+
|
|
+ wm8960: wm8960 {
|
|
+ compatible = "wlf,wm8960";
|
|
+ reg = <0x1a>;
|
|
+ #sound-dai-cells = <0>;
|
|
+ AVDD-supply = <&vdd_5v0_reg>;
|
|
+ DVDD-supply = <&vdd_3v3_reg>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+
|
|
+ fragment@3 {
|
|
+ target = <&sound>;
|
|
+ slave_overlay: __overlay__ {
|
|
+ compatible = "simple-audio-card";
|
|
+ simple-audio-card,format = "i2s";
|
|
+ simple-audio-card,name = "wm8960-soundcard";
|
|
+ status = "okay";
|
|
+
|
|
+ simple-audio-card,widgets =
|
|
+ "Microphone", "Mic Jack",
|
|
+ "Line", "Line In",
|
|
+ "Line", "Line Out",
|
|
+ "Speaker", "Speaker",
|
|
+ "Headphone", "Headphone Jack";
|
|
+ simple-audio-card,routing =
|
|
+ "Headphone Jack", "HP_L",
|
|
+ "Headphone Jack", "HP_R",
|
|
+ "Speaker", "SPK_LP",
|
|
+ "Speaker", "SPK_LN",
|
|
+ "LINPUT1", "Mic Jack",
|
|
+ "LINPUT3", "Mic Jack",
|
|
+ "RINPUT1", "Mic Jack",
|
|
+ "RINPUT2", "Mic Jack";
|
|
+
|
|
+ simple-audio-card,cpu {
|
|
+ sound-dai = <&i2s>;
|
|
+ };
|
|
+ dailink0_slave: simple-audio-card,codec {
|
|
+ sound-dai = <&wm8960>;
|
|
+ clocks = <&wm8960_mclk>;
|
|
+ clock-names = "mclk";
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ __overrides__ {
|
|
+ alsaname = <&slave_overlay>,"simple-audio-card,name";
|
|
+ compatible = <&wm8960>,"compatible";
|
|
+ };
|
|
+};
|