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

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Hey,

fine with the subject change too :-)

@Florian: Let me know if you want me to roll all in a v2 or are happy to
apply that subject change too.

Cheers,
flokli

On Tue, Jul 16, 2024 at 07:30:32AM GMT, Stefan Wahren wrote:
Hi,

Am 16.07.24 um 01:19 schrieb Florian Fainelli:
+Stefan,

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")
thanks for fixing and i'm fine with this change. The GPIO line names are
already correct.

Maybe the subject should be more specific:

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

Except of this:

Reviewed-by: Stefan Wahren <wahrenst@xxxxxxx>

Regards

---
  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 Klink




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