Re: [PATCH] ARM: dts: bcm283x: Fix hdmi hpd-gpio pin

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On 7/15/24 16:19, Florian Fainelli wrote:
+Stefan,

With the correct email this time...


On 7/15/24 16:03, Florian Klink wrote:
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>

Assuming Stefan is OK wit the change, I will apply this along with a:

Fixes: a54fe8a6cf66 ("ARM: dts: add Raspberry Pi Compute Module 3 and IO board")

---
  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";
  };


--
Florian





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