brcm2708: update linux 4.4 patches to latest version

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0423-BCM270X_DT-Declare-the-audio-PWM-pins-explicitly.patch

diff --git a/target/linux/brcm2708/patches-4.4/0423-BCM270X_DT-Declare-the-audio-PWM-pins-explicitly.patch b/target/linux/brcm2708/patches-4.4/0423-BCM270X_DT-Declare-the-audio-PWM-pins-explicitly.patch
new file mode 100644 (file)
index 0000000..221d6d1
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0423-BCM270X_DT-Declare-the-audio-PWM-pins-explicitly.patch
@@ -0,0 +1,122 @@
+From 44bc32bd05018d23b4145d56d09419ce8bd89055 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 20 Jun 2016 13:21:26 +0100
+Subject: [PATCH] BCM270X_DT: Declare the audio PWM pins explicitly
+
+Make the audio driver's use of the PWM functions explicit. Overlays
+that want to use the PWM functionality for other purposes must
+disable the audio node.
+
+See: https://github.com/raspberrypi/linux/issues/1473
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 10 ++++++++++
+ arch/arm/boot/dts/bcm2708-rpi-b.dts      |  9 +++++++++
+ arch/arm/boot/dts/bcm2709-rpi-2-b.dts    | 10 ++++++++++
+ arch/arm/boot/dts/bcm2710-rpi-3-b.dts    | 10 ++++++++++
+ 4 files changed, 39 insertions(+)
+
+--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
++++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
+@@ -37,6 +37,11 @@
+               brcm,pins = <18 19 20 21>;
+               brcm,function = <4>; /* alt0 */
+       };
++
++      audio_pins: audio_pins {
++              brcm,pins = <40 45>;
++              brcm,function = <4>;
++      };
+ };
+ 
+ &sdhost {
+@@ -120,6 +125,11 @@
+       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ };
+ 
++&audio {
++      pinctrl-names = "default";
++      pinctrl-0 = <&audio_pins>;
++};
++
+ / {
+       __overrides__ {
+               uart0 = <&uart0>,"status";
+--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
++++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
+@@ -36,6 +36,10 @@
+       i2s_pins: i2s {
+               brcm,pins = <28 29 30 31>;
+               brcm,function = <6>; /* alt2 */
++
++      audio_pins: audio_pins {
++              brcm,pins = <40 45>;
++              brcm,function = <4>;
+       };
+ };
+ 
+@@ -114,6 +118,11 @@
+       hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
+ };
+ 
++&audio {
++      pinctrl-names = "default";
++      pinctrl-0 = <&audio_pins>;
++};
++
+ / {
+       __overrides__ {
+               uart0 = <&uart0>,"status";
+--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
++++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
+@@ -37,6 +37,11 @@
+               brcm,pins = <18 19 20 21>;
+               brcm,function = <4>; /* alt0 */
+       };
++
++      audio_pins: audio_pins {
++              brcm,pins = <40 45>;
++              brcm,function = <4>;
++      };
+ };
+ 
+ &sdhost {
+@@ -120,6 +125,11 @@
+       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ };
+ 
++&audio {
++      pinctrl-names = "default";
++      pinctrl-0 = <&audio_pins>;
++};
++
+ / {
+       __overrides__ {
+               uart0 = <&uart0>,"status";
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+@@ -61,6 +61,11 @@
+               brcm,function;
+               brcm,pull;
+       };
++
++      audio_pins: audio_pins {
++              brcm,pins = <40 41>;
++              brcm,function = <4>;
++      };
+ };
+ 
+ &sdhost {
+@@ -165,6 +170,11 @@
+       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ };
+ 
++&audio {
++      pinctrl-names = "default";
++      pinctrl-0 = <&audio_pins>;
++};
++
+ / {
+       chosen {
+               bootargs = "8250.nr_uarts=1";