public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH] ARM: dts: bcm283x: Fix hdmi hpd-gpio pin
@ 2024-07-15 23:03 Florian Klink
  2024-07-15 23:19 ` Florian Fainelli
  2024-07-16 17:47 ` Florian Fainelli
  0 siblings, 2 replies; 7+ messages in thread
From: Florian Klink @ 2024-07-15 23:03 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Florian Fainelli,
	Ray Jui, Scott Branden, Broadcom internal kernel review list,
	devicetree, linux-rpi-kernel, linux-arm-kernel, linux-kernel
  Cc: Florian Klink

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>
---
 arch/arm/boot/dts/broadcom/bcm2837-rpi-cm3-io3.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/broadcom/bcm2837-rpi-cm3-io3.dts b/arch/arm/boot/dts/broadcom/bcm2837-rpi-cm3-io3.dts
index 72d26d130efa..85f54fa595aa 100644
--- a/arch/arm/boot/dts/broadcom/bcm2837-rpi-cm3-io3.dts
+++ b/arch/arm/boot/dts/broadcom/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";
 };
-- 
2.45.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2024-07-16 17:54 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-07-15 23:03 [PATCH] ARM: dts: bcm283x: Fix hdmi hpd-gpio pin Florian Klink
2024-07-15 23:19 ` Florian Fainelli
2024-07-15 23:20   ` Florian Fainelli
2024-07-16  5:30   ` Stefan Wahren
2024-07-16 17:08     ` Florian Klink
2024-07-16 17:22       ` Florian Fainelli
2024-07-16 17:47 ` Florian Fainelli

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox