42 lines
1.1 KiB
Diff
42 lines
1.1 KiB
Diff
From a3028b49ed28dfcd27fb12dd811ef5572fc80c30 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 3 Feb 2021 16:23:43 +0000
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Subject: [PATCH] ARM: dts: Declare Pi400 and CM4 have no audio pins
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The audio_pins node is left as a placeholder for the audremap overlay,
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and it must have (empty) brcm,function and brcm,pins properties
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otherwise it will be rejected by the pinctrl driver.
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See: https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=301891
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm2711-rpi-400.dts | 4 ++--
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arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 2 ++
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2 files changed, 4 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts
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@@ -565,8 +565,8 @@
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&gpio {
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audio_pins: audio_pins {
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- brcm,pins = <40 41>;
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- brcm,function = <4>;
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+ brcm,pins = <>;
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+ brcm,function = <>;
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};
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};
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--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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@@ -556,6 +556,8 @@
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&gpio {
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audio_pins: audio_pins {
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+ brcm,pins = <>;
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+ brcm,function = <>;
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};
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};
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