diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-1047-ARM-dts-Declare-Pi400-and-CM4-have-no-audio-pins.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-1047-ARM-dts-Declare-Pi400-and-CM4-have-no-audio-pins.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-1047-ARM-dts-Declare-Pi400-and-CM4-have-no-audio-pins.patch b/target/linux/bcm27xx/patches-5.4/950-1047-ARM-dts-Declare-Pi400-and-CM4-have-no-audio-pins.patch new file mode 100644 index 0000000000..c7d7c66d44 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-1047-ARM-dts-Declare-Pi400-and-CM4-have-no-audio-pins.patch @@ -0,0 +1,41 @@ +From 747df57eabbe2e3b5bd47e268aa42658a57749ca Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Wed, 3 Feb 2021 16:23:43 +0000 +Subject: [PATCH] ARM: dts: Declare Pi400 and CM4 have no audio pins + +The audio_pins node is left as a placeholder for the audremap overlay, +and it must have (empty) brcm,function and brcm,pins properties +otherwise it will be rejected by the pinctrl driver. + +See: https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=301891 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/bcm2711-rpi-400.dts | 4 ++-- + arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 2 ++ + 2 files changed, 4 insertions(+), 2 deletions(-) + +--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts ++++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts +@@ -495,8 +495,8 @@ + + &gpio { + audio_pins: audio_pins { +- brcm,pins = <40 41>; +- brcm,function = <4>; ++ brcm,pins = <>; ++ brcm,function = <>; + }; + }; + +--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts ++++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts +@@ -434,6 +434,8 @@ + + &gpio { + audio_pins: audio_pins { ++ brcm,pins = <>; ++ brcm,function = <>; + }; + }; + |