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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 10:54:34 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 19:07:07 +0200
commit8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch)
tree1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch
parent33b6885975ce376ff075362b7f0890326043111b (diff)
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bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch101
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch b/target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch
new file mode 100644
index 0000000000..239d58cb90
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0593-overlays-Add-ugreen-dabboard-overlay.patch
@@ -0,0 +1,101 @@
+From d7a810374597774f0e01eedfc30074772f4e9f85 Mon Sep 17 00:00:00 2001
+From: Christoph <c.orth@ugreen.eu>
+Date: Wed, 28 Apr 2021 20:30:44 +0200
+Subject: [PATCH] overlays: Add ugreen-dabboard overlay
+
+This is a simple overlay based on the simple-audio-card and the dmic
+codec. It has the speciality that it is configured to use the codec
+as a master I2S device. It works for example with the Si468x DAB
+receiver on the uGreen DABBoard.
+
+See: https://github.com/raspberrypi/linux/issues/4304
+
+Signed-off-by: Christoph Orth <c.orth@ugreen.eu>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 10 ++++
+ .../dts/overlays/ugreen-dabboard-overlay.dts | 49 +++++++++++++++++++
+ 3 files changed, 60 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/ugreen-dabboard-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -209,6 +209,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ uart4.dtbo \
+ uart5.dtbo \
+ udrc.dtbo \
++ ugreen-dabboard.dtbo \
+ upstream.dtbo \
+ upstream-pi4.dtbo \
+ vc4-fkms-v3d.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -3130,6 +3130,16 @@ Load: dtoverlay=udrc,<param>=<val>
+ Params: alsaname Name of the ALSA audio device (default "udrc")
+
+
++Name: ugreen-dabboard
++Info: Configures the ugreen-dabboard I2S overlay
++ This is a simple overlay based on the simple-audio-card and the dmic
++ codec. It has the speciality that it is configured to use the codec
++ as a master I2S device. It works for example with the Si468x DAB
++ receiver on the uGreen DABBoard.
++Load: dtoverlay=ugreen-dabboard,<param>=<val>
++Params: card-name Override the default, "dabboard", card name.
++
++
+ Name: upstream
+ Info: Allow usage of downstream .dtb with upstream kernel. Comprises the
+ vc4-kms-v3d and dwc2 overlays.
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/ugreen-dabboard-overlay.dts
+@@ -0,0 +1,49 @@
++// Definitions for the ugreen dabboard I2S
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835";
++
++ fragment@0 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target-path = "/";
++ __overlay__ {
++ dmic_codec: dmic-codec {
++ #sound-dai-cells = <0>;
++ compatible = "dmic-codec";
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&sound>;
++ sound_overlay: __overlay__ {
++ compatible = "simple-audio-card";
++ simple-audio-card,format = "i2s";
++ simple-audio-card,name = "dabboard";
++ simple-audio-card,bitclock-master = <&dailink0_slave>;
++ simple-audio-card,frame-master = <&dailink0_slave>;
++ simple-audio-card,widgets = "Microphone", "Microphone Jack";
++ status = "okay";
++ simple-audio-card,cpu {
++ sound-dai = <&i2s>;
++ };
++ dailink0_slave: simple-audio-card,codec {
++ #sound-dai-cells = <0>;
++ sound-dai = <&dmic_codec>;
++ };
++ };
++ };
++
++ __overrides__ {
++ card-name = <&sound_overlay>,"simple-audio-card,name";
++ };
++};