diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch b/target/linux/brcm2708/patches-4.14/950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch new file mode 100644 index 0000000000..3ef74df4f0 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch @@ -0,0 +1,128 @@ +From 36a2db8647b19b0c8576a10ab787b14098049f9b Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 28 Feb 2018 21:29:42 +0000 +Subject: [PATCH 235/454] overlays: Add overlay for PiBell soundcard + +This overlay is presented as another example of using the simple card +driver. + +See: https://www.raspberrypi.org/forums/viewtopic.php?f=44&t=99784&p=1279490#p1278971 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 7 ++ + arch/arm/boot/dts/overlays/pibell-overlay.dts | 81 +++++++++++++++++++ + 3 files changed, 89 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/pibell-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -76,6 +76,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + pi3-disable-bt.dtbo \ + pi3-disable-wifi.dtbo \ + pi3-miniuart-bt.dtbo \ ++ pibell.dtbo \ + piscreen.dtbo \ + piscreen2r.dtbo \ + pisound.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1182,6 +1182,13 @@ Load: dtoverlay=pi3-miniuart-bt + Params: <None> + + ++Name: pibell ++Info: Configures the pibell audio card. ++Load: dtoverlay=pibell,<param>=<val> ++Params: alsaname Set the name as it appears in ALSA (default ++ "PiBell") ++ ++ + Name: piscreen + Info: PiScreen display by OzzMaker.com + Load: dtoverlay=piscreen,<param>=<val> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/pibell-overlay.dts +@@ -0,0 +1,81 @@ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target-path = "/"; ++ __overlay__ { ++ codec_out: spdif-transmitter { ++ #address-cells = <0>; ++ #size-cells = <0>; ++ #sound-dai-cells = <0>; ++ compatible = "linux,spdif-dit"; ++ status = "okay"; ++ }; ++ ++ codec_in: card-codec { ++ #sound-dai-cells = <0>; ++ compatible = "invensense,ics43432"; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ #sound-dai-cells = <0>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&sound>; ++ snd: __overlay__ { ++ compatible = "simple-audio-card"; ++ simple-audio-card,name = "PiBell"; ++ ++ status="okay"; ++ ++ capture_link: simple-audio-card,dai-link@0 { ++ format = "i2s"; ++ ++ r_cpu_dai: cpu { ++ sound-dai = <&i2s>; ++ ++/* example TDM slot configuration ++ dai-tdm-slot-num = <2>; ++ dai-tdm-slot-width = <32>; ++*/ ++ }; ++ ++ r_codec_dai: codec { ++ sound-dai = <&codec_in>; ++ }; ++ }; ++ ++ playback_link: simple-audio-card,dai-link@1 { ++ format = "i2s"; ++ ++ p_cpu_dai: cpu { ++ sound-dai = <&i2s>; ++ ++/* example TDM slot configuration ++ dai-tdm-slot-num = <2>; ++ dai-tdm-slot-width = <32>; ++*/ ++ }; ++ ++ p_codec_dai: codec { ++ sound-dai = <&codec_out>; ++ }; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ alsaname = <&snd>, "simple-audio-card,name"; ++ }; ++}; |