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openwrt/target/linux/brcm2708/patches-4.4/0305-BCM270X_DT-Sound-DT-adjustments-for-Dynamic-DT.patch

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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 Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-09-10 12:54:26 +00:00
From 5bab2e037ad60c491b7a48171b33fb1413e91352 Mon Sep 17 00:00:00 2001
brcm2708: update linux 4.4 patches to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-06-08 09:59:37 +00:00
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 26 Apr 2016 10:44:59 +0100
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 Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-09-10 12:54:26 +00:00
Subject: [PATCH] BCM270X_DT: Sound DT adjustments for Dynamic DT
brcm2708: update linux 4.4 patches to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-06-08 09:59:37 +00:00
There are a number of issues when loading and unloading overlays for
sound cards:
1) The "sound" and "audio" nodes must be children of a bus node, such
as "/soc", otherwise the DT changes don't result in platform devices
being created and deleted.
2) The "/sound" node must have a "disabled" status property, otherwise
setting the status to "okay" won't be detected.
3) ALSA doesn't like having components unloaded under its feet, and it
is easy to deadlock or crash. Ordering the overlay fragments so that
the sound card appears last avoids this problem.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm2708_common.dtsi | 23 +++++++++---------
.../dts/overlays/akkordion-iqdacplus-overlay.dts | 28 +++++++++++-----------
.../boot/dts/overlays/boomberry-dac-overlay.dts | 22 ++++++++---------
.../boot/dts/overlays/boomberry-digi-overlay.dts | 20 ++++++++--------
.../boot/dts/overlays/hifiberry-amp-overlay.dts | 20 ++++++++--------
.../boot/dts/overlays/hifiberry-dac-overlay.dts | 22 ++++++++---------
.../dts/overlays/hifiberry-dacplus-overlay.dts | 22 ++++++++---------
.../boot/dts/overlays/hifiberry-digi-overlay.dts | 20 ++++++++--------
arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts | 20 ++++++++--------
.../boot/dts/overlays/iqaudio-dacplus-overlay.dts | 22 ++++++++---------
arch/arm/boot/dts/overlays/raspidac3-overlay.dts | 20 ++++++++--------
arch/arm/boot/dts/overlays/rpi-dac-overlay.dts | 22 ++++++++---------
arch/arm/boot/dts/overlays/rpi-proto-overlay.dts | 20 ++++++++--------
13 files changed, 141 insertions(+), 140 deletions(-)
--- a/arch/arm/boot/dts/bcm2708_common.dtsi
+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
@@ -34,17 +34,6 @@
clocks = &clocks;
};
- /* Onboard audio */
- audio: audio {
- compatible = "brcm,bcm2835-audio";
- brcm,pwm-channels = <8>;
- status = "disabled";
- };
-
- /* External sound card */
- sound: sound {
- };
-
soc: soc {
compatible = "simple-bus";
#address-cells = <1>;
@@ -313,6 +302,18 @@
compatible = "brcm,bcm2835-thermal";
firmware = <&firmware>;
};
+
+ /* Onboard audio */
+ audio: audio {
+ compatible = "brcm,bcm2835-audio";
+ brcm,pwm-channels = <8>;
+ status = "disabled";
+ };
+
+ /* External sound card */
+ sound: sound {
+ status = "disabled";
+ };
};
clocks: clocks {
--- a/arch/arm/boot/dts/overlays/akkordion-iqdacplus-overlay.dts
+++ b/arch/arm/boot/dts/overlays/akkordion-iqdacplus-overlay.dts
@@ -6,25 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- frag0: __overlay__ {
- compatible = "iqaudio,iqaudio-dac";
- card_name = "Akkordion";
- dai_name = "IQaudIO DAC";
- dai_stream_name = "IQaudIO DAC HiFi";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -40,7 +28,19 @@
};
};
+ fragment@2 {
+ target = <&sound>;
+ frag2: __overlay__ {
+ compatible = "iqaudio,iqaudio-dac";
+ card_name = "Akkordion";
+ dai_name = "IQaudIO DAC";
+ dai_stream_name = "IQaudIO DAC HiFi";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
+
__overrides__ {
- 24db_digital_gain = <&frag0>,"iqaudio,24db_digital_gain?";
+ 24db_digital_gain = <&frag2>,"iqaudio,24db_digital_gain?";
};
};
--- a/arch/arm/boot/dts/overlays/boomberry-dac-overlay.dts
+++ b/arch/arm/boot/dts/overlays/boomberry-dac-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- frag0: __overlay__ {
- compatible = "boomberry,boomberry-dac";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -37,7 +28,16 @@
};
};
+ fragment@2 {
+ target = <&sound>;
+ frag2: __overlay__ {
+ compatible = "boomberry,boomberry-dac";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
+
__overrides__ {
- 24db_digital_gain = <&frag0>,"boomberry,24db_digital_gain?";
+ 24db_digital_gain = <&frag2>,"boomberry,24db_digital_gain?";
};
};
--- a/arch/arm/boot/dts/overlays/boomberry-digi-overlay.dts
+++ b/arch/arm/boot/dts/overlays/boomberry-digi-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "boomberry,boomberry-digi";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -36,4 +27,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "boomberry,boomberry-digi";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
+++ b/arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "hifiberry,hifiberry-amp";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -36,4 +27,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "hifiberry,hifiberry-amp";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
+++ b/arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
@@ -6,23 +6,14 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "hifiberry,hifiberry-dac";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
- target-path = "/";
+ fragment@1 {
+ target = <&soc>;
__overlay__ {
pcm5102a-codec {
#sound-dai-cells = <0>;
@@ -31,4 +22,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "hifiberry,hifiberry-dac";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
+++ b/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
@@ -16,22 +16,13 @@
};
fragment@1 {
- target = <&sound>;
- frag1: __overlay__ {
- compatible = "hifiberry,hifiberry-dacplus";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@2 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@3 {
+ fragment@2 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -48,7 +39,16 @@
};
};
+ fragment@3 {
+ target = <&sound>;
+ frag3: __overlay__ {
+ compatible = "hifiberry,hifiberry-dacplus";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
+
__overrides__ {
- 24db_digital_gain = <&frag1>,"hifiberry,24db_digital_gain?";
+ 24db_digital_gain = <&frag3>,"hifiberry,24db_digital_gain?";
};
};
--- a/arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
+++ b/arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "hifiberry,hifiberry-digi";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -36,4 +27,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "hifiberry,hifiberry-digi";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
+++ b/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "iqaudio,iqaudio-dac";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -36,4 +27,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "iqaudio,iqaudio-dac";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
+++ b/arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- frag0: __overlay__ {
- compatible = "iqaudio,iqaudio-dac";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -37,7 +28,16 @@
};
};
+ fragment@2 {
+ target = <&sound>;
+ frag2: __overlay__ {
+ compatible = "iqaudio,iqaudio-dac";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
+
__overrides__ {
- 24db_digital_gain = <&frag0>,"iqaudio,24db_digital_gain?";
+ 24db_digital_gain = <&frag2>,"iqaudio,24db_digital_gain?";
};
};
--- a/arch/arm/boot/dts/overlays/raspidac3-overlay.dts
+++ b/arch/arm/boot/dts/overlays/raspidac3-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "jg,raspidacv3";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -42,4 +33,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "jg,raspidacv3";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
+++ b/arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
@@ -6,23 +6,14 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "rpi,rpi-dac";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
- target-path = "/";
+ fragment@1 {
+ target = <&soc>;
__overlay__ {
pcm1794a-codec {
#sound-dai-cells = <0>;
@@ -31,4 +22,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "rpi,rpi-dac";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
--- a/arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
+++ b/arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
@@ -6,22 +6,13 @@
compatible = "brcm,bcm2708";
fragment@0 {
- target = <&sound>;
- __overlay__ {
- compatible = "rpi,rpi-proto";
- i2s-controller = <&i2s>;
- status = "okay";
- };
- };
-
- fragment@1 {
target = <&i2s>;
__overlay__ {
status = "okay";
};
};
- fragment@2 {
+ fragment@1 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
@@ -36,4 +27,13 @@
};
};
};
+
+ fragment@2 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "rpi,rpi-proto";
+ i2s-controller = <&i2s>;
+ status = "okay";
+ };
+ };
};
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