Hi Krzysztof Kozlowski, Thanks for the feedback. > -----Original Message----- > From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Sent: Thursday, May 4, 2023 8:11 AM > To: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>; Alessandro Zummo > <a.zummo@xxxxxxxxxxxx>; Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>; > Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski > <krzysztof.kozlowski+dt@xxxxxxxxxx> > Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>; Magnus Damm > <magnus.damm@xxxxxxxxx>; Trent Piepho <tpiepho@xxxxxxxxxx>; linux- > rtc@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-renesas- > soc@xxxxxxxxxxxxxxx; Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> > Subject: Re: [PATCH RFC 4/6] dt-bindings: rtc: isl1208: Document built-in > RTC device on PMIC RAA215300 > > On 03/05/2023 10:46, Biju Das wrote: > > The Built-in RTC device found on PMIC RAA215300 is similar to the > > isl1208 IP. However, RTC is enabled by PMIC RAA215300 and the polarity > > of the external oscillator is determined by the PMIC revision. > > > > Document renesas,raa215300-isl1208 compatible and > > renesas,raa215300-pmic property to handle these differences. > > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/rtc/isil,isl1208.yaml | 13 +++++++++++++ > > 1 file changed, 13 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml > > b/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml > > index 04d51887855f..888a832ed1db 100644 > > --- a/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml > > +++ b/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml > > @@ -18,6 +18,7 @@ properties: > > - isil,isl1209 > > - isil,isl1218 > > - isil,isl1219 > > + - renesas,raa215300-isl1208 As with the below model, above compatible is not required. raa215300: pmic@12 { compatible = "renesas,raa215300"; reg = <0x12 0x6f>; reg-names = "main", "rtc"; }; > > > > reg: > > maxItems: 1 > > @@ -40,6 +41,10 @@ properties: > > <0> : Enable internal pull-up > > <1> : Disable internal pull-up > > > > + renesas,raa215300-pmic: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: phandle to the pmic device with isl1208 built-in RTC. > > No. You don't need cross-linking. We do not represent one device as two and > then fix this by cross-linking them. The existing binding does not have it, > so it should be a hint for you. OK will remove as discussed above. Cheers, Biju