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25 lines
1.1 KiB
Diff
25 lines
1.1 KiB
Diff
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From 6f4106f7a7fdcbc03290008713915b4122988c90 Mon Sep 17 00:00:00 2001
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From: James Hughes <JamesH65@users.noreply.github.com>
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Date: Wed, 5 Jul 2023 15:43:30 +0100
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Subject: [PATCH] overlays: audremap: Document CM4 40&41 restriction
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Update audremap information to state pins 40,41 are not available on the CM4.
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Signed-off-by: James Hughes (james.hughes@raspberrypi.com)
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---
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arch/arm/boot/dts/overlays/README | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -703,7 +703,8 @@ Params: swap_lr Reverse
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nothing on BCM2711 (default off)
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pins_12_13 Select GPIOs 12 & 13 (default)
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pins_18_19 Select GPIOs 18 & 19
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- pins_40_41 Select GPIOs 40 & 41
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+ pins_40_41 Select GPIOs 40 & 41 (not available on CM4, used
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+ for other purposes)
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pins_40_45 Select GPIOs 40 & 45 (don't use on BCM2711 - the
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pins are on different controllers)
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