diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0828-Add-support-for-the-AudioInjector.net-bare-i2s-sound.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0828-Add-support-for-the-AudioInjector.net-bare-i2s-sound.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0828-Add-support-for-the-AudioInjector.net-bare-i2s-sound.patch b/target/linux/bcm27xx/patches-5.15/950-0828-Add-support-for-the-AudioInjector.net-bare-i2s-sound.patch new file mode 100644 index 0000000000..b5e624a810 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0828-Add-support-for-the-AudioInjector.net-bare-i2s-sound.patch @@ -0,0 +1,92 @@ +From e6afcd3974550086b86bbd09ed1f5231d31757a3 Mon Sep 17 00:00:00 2001 +From: Matt Flax <flatmax@flatmax.org> +Date: Tue, 12 Apr 2022 02:28:07 +1000 +Subject: [PATCH] Add support for the AudioInjector.net bare i2s sound + card + +Signed-off-by: Matt Flax <flatmax@flatmax.org> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 6 +++ + .../audioinjector-bare-i2s-overlay.dts | 50 +++++++++++++++++++ + 3 files changed, 57 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/audioinjector-bare-i2s-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -25,6 +25,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + applepi-dac.dtbo \ + at86rf233.dtbo \ + audioinjector-addons.dtbo \ ++ audioinjector-bare-i2s.dtbo \ + audioinjector-isolated-soundcard.dtbo \ + audioinjector-ultra.dtbo \ + audioinjector-wm8731-audio.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -601,6 +601,12 @@ Params: non-stop-clocks Keeps th + is paused or stopped (default off) + + ++Name: audioinjector-bare-i2s ++Info: Configures the audioinjector.net audio bare i2s soundcard ++Load: dtoverlay=audioinjector-bare-i2s ++Params: <None> ++ ++ + Name: audioinjector-isolated-soundcard + Info: Configures the audioinjector.net isolated soundcard + Load: dtoverlay=audioinjector-isolated-soundcard +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/audioinjector-bare-i2s-overlay.dts +@@ -0,0 +1,50 @@ ++// Definitions for audioinjector.net audio soundcard ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835"; ++ ++ fragment@0 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target-path = "/"; ++ __overlay__ { ++ codec_bare: codec_bare { ++ compatible = "linux,spdif-dit"; ++ #sound-dai-cells = <0>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "simple-audio-card"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ ++ simple-audio-card,name = "audioinjector-bare"; ++ simple-audio-card,format = "i2s"; ++ ++ simple-audio-card,bitclock-master = <&dailink0_master>; ++ simple-audio-card,frame-master = <&dailink0_master>; ++ ++ dailink0_master: simple-audio-card,cpu { ++ sound-dai = <&i2s>; ++ dai-tdm-slot-num = <2>; ++ dai-tdm-slot-width = <32>; ++ }; ++ ++ snd_codec: simple-audio-card,codec { ++ sound-dai = <&codec_bare>; ++ }; ++ }; ++ }; ++}; |