brcm2708: update linux 4.4 patches to latest version

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0575-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch

diff --git a/target/linux/brcm2708/patches-4.4/0575-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch b/target/linux/brcm2708/patches-4.4/0575-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch
new file mode 100644 (file)
index 0000000..203870f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0575-BCM270X_DT-Add-reference-to-audio_pins-to-CM-dtb.patch
@@ -0,0 +1,28 @@
+From e11feff65e7ee74fce499a3514cb3bc22dc0c88f 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(+)
+
+--- 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";