mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
From 612d9be3d6aa73b018005a182bd55a551abfc271 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Fri, 19 Aug 2016 11:26:57 +0100
|
|
Subject: [PATCH] overlays: Add audremap overlay
|
|
|
|
The audremap overlay switches the PWM audio outputs to GPIO pins
|
|
12 (L) and 13 (R).
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 6 ++++++
|
|
arch/arm/boot/dts/overlays/audremap-overlay.dts | 14 ++++++++++++++
|
|
3 files changed, 21 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/overlays/audremap-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -18,6 +18,7 @@ dtbo-$(RPI_DT_OVERLAYS) += ads7846.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += akkordion-iqdacplus.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += audioinjector-wm8731-audio.dtbo
|
|
+dtbo-$(RPI_DT_OVERLAYS) += audremap.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += dht11.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += dionaudio-loco.dtbo
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -253,6 +253,12 @@ Load: dtoverlay=audioinjector-wm8731-a
|
|
Params: <None>
|
|
|
|
|
|
+Name: audremap
|
|
+Info: Switches PWM sound output to pins 12 & 13
|
|
+Load: dtoverlay=audremap
|
|
+Params: <None>
|
|
+
|
|
+
|
|
Name: bmp085_i2c-sensor
|
|
Info: Configures the BMP085/BMP180 digital barometric pressure and temperature
|
|
sensors from Bosch Sensortec
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/audremap-overlay.dts
|
|
@@ -0,0 +1,14 @@
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2708";
|
|
+
|
|
+ fragment@0 {
|
|
+ target = <&audio_pins>;
|
|
+ __overlay__ {
|
|
+ brcm,pins = < 12 13 >;
|
|
+ brcm,function = < 4 >; /* alt0 alt0 */
|
|
+ };
|
|
+ };
|
|
+};
|