Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

ARM: dts: bcm2837-rpi-cm3-io3: Fix HDMI hpd-gpio pin

HDMI_HPD_N_1V8 is connected to GPIO pin 0, not 1.

This fixes HDMI hotplug/output detection.

See https://datasheets.raspberrypi.com/cm/cm3-schematics.pdf

Signed-off-by: Florian Klink <flokli@flokli.de>
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20240715230311.685641-1-flokli@flokli.de
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Fixes: a54fe8a6cf66 ("ARM: dts: add Raspberry Pi Compute Module 3 and IO board")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

authored by

Florian Klink and committed by
Florian Fainelli
dc7785e4 9852d85e

+1 -1
+1 -1
arch/arm/boot/dts/broadcom/bcm2837-rpi-cm3-io3.dts
··· 77 77 }; 78 78 79 79 &hdmi { 80 - hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; 80 + hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>; 81 81 power-domains = <&power RPI_POWER_DOMAIN_HDMI>; 82 82 status = "okay"; 83 83 };