ARM: dts: Declare Pi400 and CM4 have no audio pins
authorPhil Elwell <phil@raspberrypi.com>
Wed, 3 Feb 2021 16:23:43 +0000 (16:23 +0000)
committerPhil Elwell <phil@raspberrypi.com>
Wed, 3 Feb 2021 16:32:59 +0000 (16:32 +0000)
commitf943c26bb838ef807216e1f3b41732c5195a7de7
tree0f6b305b9e8fe5e5cd6cebdcc34d842b9a62c17c
parent39bf9fb867a11416678cc7123de07d00685fe696
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
arch/arm/boot/dts/bcm2711-rpi-cm4.dts