This is a note to let you know that I've just added the patch titled
ARM: dts: bcm2837-rpi-cm3-io3: Fix HDMI hpd-gpio pin
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-bcm2837-rpi-cm3-io3-fix-hdmi-hpd-gpio-pin.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f83d026e40eebb8c78bd9c41ddf7e1f1d891ebfc
Author: Florian Klink <flokli@xxxxxxxxx>
Date: Tue Jul 16 02:03:11 2024 +0300
ARM: dts: bcm2837-rpi-cm3-io3: Fix HDMI hpd-gpio pin
[ Upstream commit dc7785e4723510616d776862ddb4c08857a1bdb2 ]
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@xxxxxxxxx>
Reviewed-by: Stefan Wahren <wahrenst@xxxxxxx>
Link: https://lore.kernel.org/r/20240715230311.685641-1-flokli@xxxxxxxxx
Reviewed-by: Stefan Wahren <wahrenst@xxxxxxx>
Fixes: a54fe8a6cf66 ("ARM: dts: add Raspberry Pi Compute Module 3 and IO board")
Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
index 3dfce4312dfc4..a2ef43c2105aa 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
@@ -77,7 +77,7 @@ &gpio {
};
&hdmi {
- hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
+ hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>;
power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
status = "okay";
};
