On Sat, Feb 23, 2019 at 01:38:00PM -0800, Eduardo Valentin wrote:
> On Thu, Feb 21, 2019 at 06:38:30AM +0000, Anson Huang wrote:
> > 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>
> > ---
> > Changes since V7:
> > - remove unused property "tsens-num";
> > - improve the compatible description;
> > - update examples according to latest dts file.
> > ---
> > .../devicetree/bindings/arm/freescale/fsl,scu.txt | 19 +++++++++++++++++++
> > 1 file changed, 19 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > index 72d481c..d89147e 100644
> > --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> > @@ -122,6 +122,19 @@ 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: Should be :
> > + "fsl,imx8qxp-sc-thermal"
> > + followed by "fsl,imx-sc-thermal";
> > +
> > +- #thermal-sensor-cells: See Documentation/devicetree/bindings/thermal/thermal.txt
> > + for a description.
> > +
> > +- imx,sensor-resource-id: Property array to specify each thermal zone's sensor resource ID.
>
> If this is an array...
>
> > +
> > Example (imx8qxp):
> > -------------
> > lsio_mu1: mailbox@5d1c0000 {
> > @@ -168,6 +181,12 @@ firmware {
> > rtc: rtc {
> > compatible = "fsl,imx8qxp-sc-rtc";
> > };
> > +
> > + tsens: thermal-sensor {
> > + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
> > + #thermal-sensor-cells = <0>;
> > + imx,sensor-resource-id = <IMX_SC_R_SYSTEM>;
>
> then this example should have an array, to be better express how this is
> supposed to work. Can you please resend this with an array instead?
I mean this could be one example of an array with more than one element.
>
> > + };
> > };
> > };
> >
> > --
> > 2.7.4
> >
