target/linux/brcm2708/patches-4.9/950-0134-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch

   1 From 8630b0b3fea31138c52ef83848ae1a047baa3855 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Mon, 23 Jan 2017 17:36:50 +0000
   4 Subject: [PATCH] BCM270X_DT: Add reference to audio_pins to CM dtb
   5
   6 The CM1 dtb contains an empty audio_pins node, but no reference to it.
   7 Adding the usual pinctrl reference from the audio node enables the
   8 audremap overlay (and others) to easily turn on audio.
   9
  10 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  11 ---
  12  arch/arm/boot/dts/bcm2708-rpi-cm.dts | 5 +++++
  13  1 file changed, 5 insertions(+)
  14
  15 --- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  16 +++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  17 @@ -85,6 +85,11 @@
  18         pinctrl-0 = <&i2s_pins>;
  19  };
  20
  21 +&audio {
  22 +       pinctrl-names = "default";
  23 +       pinctrl-0 = <&audio_pins>;
  24 +};
  25 +
  26  &hdmi {
  27         hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
  28  };