Re: [PATCH v2 13/15] arm64: dts: qcom: pmi632: define USB-C related blocks

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On Mon, Jan 15, 2024 at 11:00:53AM +0100, Konrad Dybcio wrote:
> On 13.01.2024 21:55, Dmitry Baryshkov wrote:
> > Define VBUS regulator and the Type-C handling block as present on the
> > Quacomm PMI632 PMIC.
> > 
> > Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/qcom/pmi632.dtsi | 30 ++++++++++++++++++++++++++++++
> >  1 file changed, 30 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/pmi632.dtsi b/arch/arm64/boot/dts/qcom/pmi632.dtsi
> > index 4eb79e0ce40a..d6832f0b7b80 100644
> > --- a/arch/arm64/boot/dts/qcom/pmi632.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/pmi632.dtsi
> > @@ -45,6 +45,36 @@ pmic@2 {
> >  		#address-cells = <1>;
> >  		#size-cells = <0>;
> >  
> > +		pmi632_vbus: usb-vbus-regulator@1100 {
> > +			compatible = "qcom,pmi632-vbus-reg", "qcom,pm8150b-vbus-reg";
> > +			reg = <0x1100>;
> > +			status = "disabled";
> > +		};
> > +
> > +		pmi632_typec: typec@1500 {
> > +			compatible = "qcom,pmi632-typec";
> > +			reg = <0x1500>;
> > +			interrupts = <0x2 0x15 0x00 IRQ_TYPE_EDGE_RISING>,
> > +				     <0x2 0x15 0x01 IRQ_TYPE_EDGE_BOTH>,
> > +				     <0x2 0x15 0x02 IRQ_TYPE_EDGE_RISING>,
> > +				     <0x2 0x15 0x03 IRQ_TYPE_EDGE_BOTH>,
> > +				     <0x2 0x15 0x04 IRQ_TYPE_EDGE_RISING>,
> > +				     <0x2 0x15 0x05 IRQ_TYPE_EDGE_RISING>,
> > +				     <0x2 0x15 0x06 IRQ_TYPE_EDGE_BOTH>,
> > +				     <0x2 0x15 0x07 IRQ_TYPE_EDGE_RISING>;
> This differs from the downstream irq types:
> 
> <0x2 0x15 0x0 IRQ_TYPE_EDGE_BOTH>,
> <0x2 0x15 0x1 IRQ_TYPE_EDGE_BOTH>,
> <0x2 0x15 0x2 IRQ_TYPE_EDGE_RISING>,
> <0x2 0x15 0x3 IRQ_TYPE_EDGE_RISING>,
> <0x2 0x15 0x4 IRQ_TYPE_EDGE_BOTH>,
> <0x2 0x15 0x5 IRQ_TYPE_EDGE_RISING>,
> <0x2 0x15 0x6 IRQ_TYPE_EDGE_RISING>,
> <0x2 0x15 0x7 IRQ_TYPE_EDGE_RISING>;
> 

Interrupt 1, 3, and 6 are level interrupts for which it's reasonable to
act on both edges. Interrupt 0, 2, 4, 5, and 7 are "pulse interrupts",
for which it seems reasonable to act on only one of the edges.

To me, Dmitry's proposed version makes more sense than downstream.

Regards,
Bjorn

> Is it intended?
> 
> Thanks a lot for working on this!
> 
> Konrad
> 




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