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