Re: [PATCH v8 4/4] arm64: boot: dts: qcom: pm8150b: Add DTS node for PMIC VBUS booster

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On Thu 20 Aug 07:47 UTC 2020, Wesley Cheng wrote:

> 
> 
> On 8/12/2020 2:34 AM, Sergei Shtylyov wrote:
> > Hello!
> > 
> > On 12.08.2020 10:19, Wesley Cheng wrote:
> > 
> >> Add the required DTS node for the USB VBUS output regulator, which is
> >> available on PM8150B.  This will provide the VBUS source to connected
> >> peripherals.
> >>
> >> Signed-off-by: Wesley Cheng <wcheng@xxxxxxxxxxxxxx>
> >> ---
> >>   arch/arm64/boot/dts/qcom/pm8150b.dtsi   | 6 ++++++
> >>   arch/arm64/boot/dts/qcom/sm8150-mtp.dts | 4 ++++
> >>   2 files changed, 10 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/pm8150b.dtsi
> >> b/arch/arm64/boot/dts/qcom/pm8150b.dtsi
> >> index 053c659734a7..9e560c1ca30d 100644
> >> --- a/arch/arm64/boot/dts/qcom/pm8150b.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/pm8150b.dtsi
> >> @@ -53,6 +53,12 @@ power-on@800 {
> >>               status = "disabled";
> >>           };
> >>   +        pm8150b_vbus: dcdc@1100 {
> > 
> >    s/dcdc/regulator/? What is "dcdc", anyway?
> >    The device nodes must have the generic names, according to the DT spec.
> > 
> 
> Hi Sergei,
> 
> Thanks for the comment!
> 
> DCDC is the label that we use for the DC to DC converter block, since
> the VBUS booster will output 5V to the connected devices.  Would it make
> more sense to have "dc-dc?"
> 

At this level it's just a regulator at 0x1100, so it should be
"regulator@1100". If you would like a more useful name in the running
system you should be able to use the "regulator-name" property.

Regards,
Bjorn

> Thanks
> Wesley
> 
> >> +            compatible = "qcom,pm8150b-vbus-reg";
> >> +            status = "disabled";
> >> +            reg = <0x1100>;
> >> +        };
> >> +
> >>           pm8150b_typec: typec@1500 {
> >>               compatible = "qcom,pm8150b-usb-typec";
> >>               status = "disabled";
> > [...]
> > 
> > MBR, Sergei
> 
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project



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