linux-kernel - RE: [EXTERNAL] Re: [PATCH v5 1/4] dt-bindings: platform: microsoft: Document surface xbl

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Message-ID: <DM6PR21MB1323C72F2B37419069407AC8A5F39@DM6PR21MB1323.namprd21.prod.outlook.com>
Date:   Mon, 18 Apr 2022 22:53:16 +0000
From:   Jarrett Schultz <jaschultz@...rosoft.com>
To:     Rob Herring <robh@...nel.org>,
        Jarrett Schultz <jaschultzms@...il.com>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Maximilian Luz <luzmaximilian@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        Felipe Balbi <balbi@...nel.org>
Subject: RE: [EXTERNAL] Re: [PATCH v5 1/4] dt-bindings: platform: microsoft:
 Document surface xbl

> From: Rob Herring <robh@...nel.org>
> On Wednesday, April 13, 2022 at 11:27 AM, Rob wrote:
> 
> On Tue, Apr 05, 2022 at 02:07:47PM -0700, Jarrett Schultz wrote:
> > From: Jarrett Schultz <jaschultz@...rosoft.com>
> >
> > Introduce yaml for surface xbl driver.
> 
> From Bjorn's reply on v4, it sounds like the QCom folks need to work out how
> to describe 'imem' first. I'd think that would use 'mmio-sram'
> binding and then this could be a child of that. If it's DDR, then it belongs
> under /reserved-memory node. Either way, that's all kind of outside the
> scope of the binding unless there's something special about 'imem'.
> 
> >
> > Signed-off-by: Jarrett Schultz <jaschultz@...rosoft.com>
> >

Hi Rajendra and Vinod,

I'm currently working with Felipe Balbi on submitting an XBL driver that reads from imem.
Could you help me properly describe the 'imem' binding for sm8150?

Thank you,
Jarrett Schultz