5.4-stable review patch. If anyone has any objections, please let me know.
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From: Florian Klink flokli@flokli.de
[ 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@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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 @@ };
&hdmi { - hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; + hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; };