openwrt/target/linux/brcm2708/patches-4.4/0575-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch
Álvaro Fernández Rojas 8b52a8906b brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

- led1 can't be controlled on rpi-3 for linux 4.4, remove it.
- Fix modules.mk typos.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2017-03-08 09:54:01 +01:00

34 lines
958 B
Diff

From 82f7e67564d89bba063b6b2e1cafee871aa22aaf Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 23 Jan 2017 17:36:50 +0000
Subject: [PATCH] BCM270X_DT: Add reference to audio_pins to CM dtb
The CM1 dtb contains an empty audio_pins node, but no reference to it.
Adding the usual pinctrl reference from the audio node enables the
audremap overlay (and others) to easily turn on audio.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm2708-rpi-cm.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi b/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
index 0a3a962..ba0f316 100644
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
@@ -36,6 +36,11 @@
status = "okay";
};
+&audio {
+ pinctrl-names = "default";
+ pinctrl-0 = <&audio_pins>;
+};
+
/ {
__overrides__ {
core_freq = <&clk_core>,"clock-frequency:0";
--
2.1.4