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From: Rob Herring <robh@kernel.org>
To: shubhrajyoti.datta@gmail.com
Cc: devicetree@vger.kernel.org, michal.simek@xilinx.com,
	gregkh@linuxfoundation.org, jslaby@suse.com,
	linux-serial@vger.kernel.org,
	Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Subject: Re: [PATCHv2 1/2] dt-bindings: xilinx-uartps: Add support for noctsrts
Date: Sat, 06 Apr 2019 01:06:26 -0500	[thread overview]
Message-ID: <5ca841e5.1c69fb81.87c5.289f@mx.google.com> (raw)
In-Reply-To: <1554181578-13362-2-git-send-email-shubhrajyoti.datta@gmail.com>

On Tue, Apr 02, 2019 at 10:36:17AM +0530, shubhrajyoti.datta@gmail.com wrote:
> From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
> 
> Vivado has a configurationo for selecting the flow control.

Vivado is ?

> Add a dt binding to check for the same.
> 
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
> ---
>  Documentation/devicetree/bindings/serial/cdns,uart.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.txt b/Documentation/devicetree/bindings/serial/cdns,uart.txt
> index 227bb77..5161a05 100644
> --- a/Documentation/devicetree/bindings/serial/cdns,uart.txt
> +++ b/Documentation/devicetree/bindings/serial/cdns,uart.txt
> @@ -12,6 +12,10 @@ Required properties:
>    See ../clocks/clock-bindings.txt for details.
>  
>  
> +Optional properties:
> +- xlnx,nortscts: The presence of this property indicates that the
> +    UART does not support modem lines for RTS/CTS hardware flow control.

We already have 'uart-has-rtscts'. Please use that. Maybe you need a new 
compatible as I'd guess current users assume RTS/CTS is present.

> +
>  Example:
>  	uart@e0000000 {
>  		compatible = "cdns,uart-r1p8";
> -- 
> 2.1.1
> 

  reply	other threads:[~2019-04-06  6:06 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-02  5:06 [PATCHv2 0/2] serial: uartps: Make flowcontrol configurable shubhrajyoti.datta
2019-04-02  5:06 ` [PATCHv2 1/2] dt-bindings: xilinx-uartps: Add support for noctsrts shubhrajyoti.datta
2019-04-06  6:06   ` Rob Herring [this message]
2019-04-08  3:26     ` Shubhrajyoti Datta
2019-04-08 18:36       ` Rob Herring
2020-09-10  5:56     ` Shubhrajyoti Datta
2019-04-02  5:06 ` [PATCHv2 2/2] serial: uartps: Add support for nortscts shubhrajyoti.datta

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