brcm2708: add kernel 4.14 support

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.14 / 950-0235-overlays-Add-overlay-for-PiBell-soundcard.patch

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 (file)
index 0000000..3ef74df
--- /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";
++    };
++};