openwrtv4/target/linux/brcm2708/patches-4.9/0139-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch
Álvaro Fernández Rojas 96aa0c6b0b brcm2708: add linux 4.9 support
Patches from Raspberry Pi repo:
https://github.com/raspberrypi/linux/commits/rpi-4.9.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2017-02-07 23:00:16 +01:00

28 lines
816 B
Diff

From 719ed1f8a1f93b2c9d855392a69493da107ae703 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.dts | 5 +++++
1 file changed, 5 insertions(+)
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
@@ -85,6 +85,11 @@
pinctrl-0 = <&i2s_pins>;
};
+&audio {
+ pinctrl-names = "default";
+ pinctrl-0 = <&audio_pins>;
+};
+
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
};