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

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Date:   Tue, 19 Feb 2019 17:04:22 -0800
From:   Eduardo Valentin <edubezval@...il.com>
To:     Anson Huang <anson.huang@....com>
Cc:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "rui.zhang@...el.com" <rui.zhang@...el.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        Aisheng Dong <aisheng.dong@....com>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        Daniel Baluta <daniel.baluta@....com>,
        "horms+renesas@...ge.net.au" <horms+renesas@...ge.net.au>,
        Andy Gross <andy.gross@...aro.org>,
        "heiko@...ech.de" <heiko@...ech.de>,
        "arnd@...db.de" <arnd@...db.de>,
        "maxime.ripard@...tlin.com" <maxime.ripard@...tlin.com>,
        "jagan@...rulasolutions.com" <jagan@...rulasolutions.com>,
        "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
        "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>,
        "marc.w.gonzalez@...e.fr" <marc.w.gonzalez@...e.fr>,
        "olof@...om.net" <olof@...om.net>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH V6 1/4] dt-bindings: fsl: scu: add thermal binding

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: 2019年2月13日 13:36
> > To: robh+dt@...nel.org; mark.rutland@....com; shawnguo@...nel.org;
> > s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> > catalin.marinas@....com; will.deacon@....com; rui.zhang@...el.com;
> > edubezval@...il.com; daniel.lezcano@...aro.org; Aisheng Dong
> > <aisheng.dong@....com>; ulf.hansson@...aro.org; Daniel Baluta
> > <daniel.baluta@....com>; horms+renesas@...ge.net.au; Andy Gross
> > <andy.gross@...aro.org>; heiko@...ech.de; arnd@...db.de;
> > maxime.ripard@...tlin.com; jagan@...rulasolutions.com;
> > bjorn.andersson@...aro.org; enric.balletbo@...labora.com;
> > marc.w.gonzalez@...e.fr; olof@...om.net; devicetree@...r.kernel.org;
> > linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> > pm@...r.kernel.org
> > Cc: dl-linux-imx <linux-imx@....com>
> > 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: 2019年2月7日 17:53
> > > To: robh+dt@...nel.org; mark.rutland@....com; shawnguo@...nel.org;
> > > s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> > > catalin.marinas@....com; will.deacon@....com; rui.zhang@...el.com;
> > > edubezval@...il.com; daniel.lezcano@...aro.org; Aisheng Dong
> > > <aisheng.dong@....com>; ulf.hansson@...aro.org; Daniel Baluta
> > > <daniel.baluta@....com>; horms+renesas@...ge.net.au; Andy Gross
> > > <andy.gross@...aro.org>; heiko@...ech.de; arnd@...db.de;
> > > maxime.ripard@...tlin.com; jagan@...rulasolutions.com;
> > > bjorn.andersson@...aro.org; enric.balletbo@...labora.com;
> > > marc.w.gonzalez@...e.fr; olof@...om.net; devicetree@...r.kernel.org;
> > > linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> > > linux- pm@...r.kernel.org
> > > Cc: dl-linux-imx <linux-imx@....com>
> > > 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@....com>
> > > Reviewed-by: Rob Herring <robh@...nel.org>
> > > ---
> > > 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@...c0000 {
> > > @@ -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
>