linux-kernel - RE: [PATCH v2 1/3] dt-bindings: aspeed-lpc: Add UART routing compatible string

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Message-ID: <HK0PR06MB3779D0B44F9F927A48F017EA91D49@HK0PR06MB3779.apcprd06.prod.outlook.com>
Date:   Wed, 8 Sep 2021 05:06:35 +0000
From:   ChiaWei Wang <chiawei_wang@...eedtech.com>
To:     Rob Herring <robh@...nel.org>
CC:     "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "osk@...gle.com" <osk@...gle.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>
Subject: RE: [PATCH v2 1/3] dt-bindings: aspeed-lpc: Add UART routing
 compatible string

> From: Rob Herring <robh@...nel.org>
> Sent: Wednesday, September 8, 2021 2:47 AM
> 
> On Thu, Sep 02, 2021 at 10:18:14AM +0800, Chia-Wei Wang wrote:
> > Add the compatible string and the device tree description for the
> > Aspeed AST25xx/AST26xx UART routing control.
> >
> > Signed-off-by: Chia-Wei Wang <chiawei_wang@...eedtech.com>
> > ---
> >  .../devicetree/bindings/mfd/aspeed-lpc.txt    | 22 +++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> 
> Either convert aspeed-lpc.txt to DT schema or make this a separate schema
> doc.

I will send a v3 patch with a separate schema included. Thanks.

Chiawei

> 
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> > b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> > index 936aa108eab4..45d44f812e5e 100644
> > --- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> > +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> > @@ -155,3 +155,25 @@ lpc_reset: reset-controller@98 {
> >          reg = <0x98 0x4>;
> >          #reset-cells = <1>;
> >  };
> > +
> > +UART routing control
> > +--------------------
> > +
> > +The UART routing control manages the RX muxes among the UART
> > +controllers and the I/O pins. This is typicall used for the
> > +Serial-Over-Lan (SOL) service.
> > +
> > +Required properties:
> > +
> > + - compatible:		One of:
> > +			"aspeed,ast2500-uart-routing";
> > +			"aspeed,ast2600-uart-routing";
> > +
> > + - reg:			offset and length of the IP in the LPC memory region
> > +
> > +Example:
> > +
> > +uart_routing: uart-routing@98 {
> > +	compatible = "aspeed,ast2600-uart-routing";
> > +	reg = <0x98 0x8>;
> > +};
> > --
> > 2.17.1
> >
> >