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62b7f5931c
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>
(cherry-picked from commit f07e572f64)
130 lines
3.2 KiB
Diff
130 lines
3.2 KiB
Diff
From 4b26aad69c65e141e7ad5187c558d20304eb4bd8 Mon Sep 17 00:00:00 2001
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From: Aaron Shaw <shawaj@gmail.com>
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Date: Sat, 2 Jan 2021 02:34:03 +0000
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Subject: [PATCH] overlays: add wm8960-soundcard overlay
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add overlay for waveshare wm8960 simple-audio-card
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Change-type: patch
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Signed-off-by: Aaron Shaw <shawaj@gmail.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 3 +-
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arch/arm/boot/dts/overlays/README | 7 ++
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.../dts/overlays/wm8960-soundcard-overlay.dts | 82 +++++++++++++++++++
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3 files changed, 91 insertions(+), 1 deletion(-)
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create mode 100644 arch/arm/boot/dts/overlays/wm8960-soundcard-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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@@ -210,7 +210,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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w1-gpio.dtbo \
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w1-gpio-pullup.dtbo \
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w5500.dtbo \
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- wittypi.dtbo
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+ wittypi.dtbo \
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+ wm8960-soundcard.dtbo
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targets += dtbs dtbs_install
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targets += $(dtbo-y)
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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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@@ -3073,6 +3073,13 @@ Params: led_gpio GPIO for
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"default-on")
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+Name: wm8960-soundcard
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+Info: Overlay for the Waveshare wm8960 soundcard
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+Load: dtoverlay=wm8960-soundcard,<param>=<val>
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+Params: alsaname Changes the card name in ALSA
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+ compatible Changes the codec compatibility
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+
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+
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Troubleshooting
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===============
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
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@@ -0,0 +1,82 @@
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+// Definitions for Waveshare WM8960 https://github.com/waveshare/WM8960-Audio-HAT
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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,bcm2835";
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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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+ wm8960_mclk: wm8960_mclk {
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+ compatible = "fixed-clock";
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+ #clock-cells = <0>;
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+ clock-frequency = <12288000>;
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+ };
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+ };
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+ };
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+ fragment@2 {
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+ target = <&i2c1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ wm8960: wm8960 {
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+ compatible = "wlf,wm8960";
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+ reg = <0x1a>;
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+ #sound-dai-cells = <0>;
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+ AVDD-supply = <&vdd_5v0_reg>;
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+ DVDD-supply = <&vdd_3v3_reg>;
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+ };
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+ };
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+ };
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+
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+
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+ fragment@3 {
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+ target = <&sound>;
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+ slave_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 = "wm8960-soundcard";
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+ status = "okay";
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+
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+ simple-audio-card,widgets =
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+ "Microphone", "Mic Jack",
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+ "Line", "Line In",
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+ "Line", "Line Out",
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+ "Speaker", "Speaker",
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+ "Headphone", "Headphone Jack";
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+ simple-audio-card,routing =
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+ "Headphone Jack", "HP_L",
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+ "Headphone Jack", "HP_R",
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+ "Speaker", "SPK_LP",
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+ "Speaker", "SPK_LN",
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+ "LINPUT1", "Mic Jack",
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+ "LINPUT3", "Mic Jack",
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+ "RINPUT1", "Mic Jack",
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+ "RINPUT2", "Mic Jack";
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+
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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 = <&wm8960>;
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+ clocks = <&wm8960_mclk>;
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+ clock-names = "mclk";
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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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+ alsaname = <&slave_overlay>,"simple-audio-card,name";
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+ compatible = <&wm8960>,"compatible";
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+ };
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+};
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