Re: [PATCH V6 1/4] dt-bindings: fsl: scu: add thermal binding

From: Eduardo Valentin
Date: Tue Feb 19 2019 - 20:04:29 EST


On Tue, Feb 19, 2019 at 07:20:58AM +0000, Anson Huang wrote:
> Ping...

I will take a look on this.

>
> Best Regards!
> Anson Huang
>
> > -----Original Message-----
> > From: Anson Huang
> > Sent: 2019å2æ13æ 13:36
> > To: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; shawnguo@xxxxxxxxxx;
> > s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx;
> > catalin.marinas@xxxxxxx; will.deacon@xxxxxxx; rui.zhang@xxxxxxxxx;
> > edubezval@xxxxxxxxx; daniel.lezcano@xxxxxxxxxx; Aisheng Dong
> > <aisheng.dong@xxxxxxx>; ulf.hansson@xxxxxxxxxx; Daniel Baluta
> > <daniel.baluta@xxxxxxx>; horms+renesas@xxxxxxxxxxxx; Andy Gross
> > <andy.gross@xxxxxxxxxx>; heiko@xxxxxxxxx; arnd@xxxxxxxx;
> > maxime.ripard@xxxxxxxxxxx; jagan@xxxxxxxxxxxxxxxxxxxx;
> > bjorn.andersson@xxxxxxxxxx; enric.balletbo@xxxxxxxxxxxxx;
> > marc.w.gonzalez@xxxxxxx; olof@xxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > linux-kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> > pm@xxxxxxxxxxxxxxx
> > Cc: dl-linux-imx <linux-imx@xxxxxxx>
> > Subject: RE: [PATCH V6 1/4] dt-bindings: fsl: scu: add thermal binding
> >
> > Gental ping...
> >
> > Best Regards!
> > Anson Huang
> >
> > > -----Original Message-----
> > > From: Anson Huang
> > > Sent: 2019å2æ7æ 17:53
> > > To: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; shawnguo@xxxxxxxxxx;
> > > s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx;
> > > catalin.marinas@xxxxxxx; will.deacon@xxxxxxx; rui.zhang@xxxxxxxxx;
> > > edubezval@xxxxxxxxx; daniel.lezcano@xxxxxxxxxx; Aisheng Dong
> > > <aisheng.dong@xxxxxxx>; ulf.hansson@xxxxxxxxxx; Daniel Baluta
> > > <daniel.baluta@xxxxxxx>; horms+renesas@xxxxxxxxxxxx; Andy Gross
> > > <andy.gross@xxxxxxxxxx>; heiko@xxxxxxxxx; arnd@xxxxxxxx;
> > > maxime.ripard@xxxxxxxxxxx; jagan@xxxxxxxxxxxxxxxxxxxx;
> > > bjorn.andersson@xxxxxxxxxx; enric.balletbo@xxxxxxxxxxxxx;
> > > marc.w.gonzalez@xxxxxxx; olof@xxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > > linux-kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> > > linux- pm@xxxxxxxxxxxxxxx
> > > Cc: dl-linux-imx <linux-imx@xxxxxxx>
> > > Subject: [PATCH V6 1/4] dt-bindings: fsl: scu: add thermal binding
> > >
> > > NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system
> > > controller, the system controller is in charge of system power, clock
> > > and thermal sensors etc. management, Linux kernel has to communicate
> > > with system controller via MU (message unit) IPC to get temperature
> > > from thermal sensors, this patch adds binding doc for i.MX system
> > > controller thermal driver.
> > >
> > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> > > ---
> > > ChangeLog since V5:
> > > - add "imx,sensor-resource-id" in each thermal zone to pass resource
> > > ID for thermal driver.
> > > ---
> > > .../devicetree/bindings/arm/freescale/fsl,scu.txt | 20
> > > ++++++++++++++++++++
> > > 1 file changed, 20 insertions(+)
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > > b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > > index 72d481c..4b79751 100644
> > > --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > > +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > > @@ -122,6 +122,20 @@ RTC bindings based on SCU Message Protocol
> > > Required properties:
> > > - compatible: should be "fsl,imx8qxp-sc-rtc";
> > >
> > > +Thermal bindings based on SCU Message Protocol
> > > +------------------------------------------------------------
> > > +
> > > +Required properties:
> > > +- compatible : Must be "fsl,imx8qxp-sc-thermal";
> > > +- tsens-num : Total number of thermal sensors supported;
> > > +- #thermal-sensor-cells : Should be 1. See
> > > +
> > > Documentation/devicetree/bindings/thermal/thermal.txt
> > > + for a description.
> > > +- imx,sensor-resource-id : This property should be defined in each
> > > +thermal
> > > zone
> > > + of thermal-zones node, it passes each thermal
> > > zone's
> > > + resource id for thermal driver to get temperature
> > > via
> > > + SCU IPC.
> > > +
> > > Example (imx8qxp):
> > > -------------
> > > lsio_mu1: mailbox@5d1c0000 {
> > > @@ -168,6 +182,12 @@ firmware {
> > > rtc: rtc {
> > > compatible = "fsl,imx8qxp-sc-rtc";
> > > };
> > > +
> > > + tsens: thermal-sensor {
> > > + compatible = "fsl,imx8qxp-sc-thermal";
> > > + tsens-num = <1>;
> > > + #thermal-sensor-cells = <1>;
> > > + };
> > > };
> > > };
> > >
> > > --
> > > 2.7.4
>