Re: [PATCH] arm64: dts: qcom: monaco: add PMIC PON with power key

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 8/14/26 5:26 PM, Milosz Wasilewski wrote:
> Monaco has no PMIC PON node, so the power key is not described at all
> and there is no pwrkey input device.  More importantly the board then
> has no power-key wakeup source: the only way out of s2idle is the RTC
> alarm or one of the PCIe/USB/remoteproc sources, and pressing the power
> button does nothing.
> 
> Add the PON node with the power key, modelled on the pmm8654au PON on
> lemans, which carries the same PMIC: the block lives at 0x1200 and its
> interrupts are on block 0x12.
> 
> qcom,pmk8350-pwrkey has wakeup_source_default set, so the driver arms
> the IRQ as a wakeup source without any additional DT property.
> 
> On an IQ-8275-EVK this gives a pmic_pwrkey input device under
> c440000.spmi:pmic@0:pon@1200, and:
> 
>   # grep pwrkey /sys/kernel/debug/wakeup_sources
>   c440000.spmi:pmic@0:pon@1200:pwrkey
> 
> "systemctl suspend" followed by a power-key press now resumes the board,
> where before it stayed in s2idle until an RTC alarm fired.
> 
> Assisted-by: Claude:claude-opus-5
> Signed-off-by: Milosz Wasilewski <milosz.wasilewski@oss.qualcomm.com>
> ---

There's a parallel effort:

https://lore.kernel.org/linux-arm-msm/20260724-b4-add_pwrkey_and_resin-v6-0-41acc214d93a@oss.qualcomm.com/

Konrad