linux-kernel - Re: [PATCH V1 2/2] Documentation: can: flexcan: Add stop-mode property to device tree

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Message-ID: <20181024235706.GA22938@bogus>
Date:   Wed, 24 Oct 2018 18:57:06 -0500
From:   Rob Herring <robh@...nel.org>
To:     Joakim Zhang <qiangqing.zhang@....com>
Cc:     "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "wg@...ndegger.com" <wg@...ndegger.com>,
        "mkl@...gutronix.de" <mkl@...gutronix.de>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "A.s. Dong" <aisheng.dong@....com>
Subject: Re: [PATCH V1 2/2] Documentation: can: flexcan: Add stop-mode
 property to device tree

On Tue, Oct 23, 2018 at 05:17:10AM +0000, Joakim Zhang wrote:
> From: Dong Aisheng <aisheng.dong@....com>
> 
> The FlexCAN controller can parse the stop-mode property to enable CAN
> self wakeup feature.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong@....com>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
> ---
>  Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
> index bfc0c433654f..b5ccfc9c14fb 100644
> --- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
> +++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
> @@ -24,6 +24,14 @@ Optional properties:
>                if this property is present then controller is assumed to be big
>                endian.
>  
> +- stop-mode: register bits of stop mode control, the format is

Should have a vendor prefix: fsl,stop-mode

> +			<&gpr req_gpr req_bit ack_gpr ack_bit>.
> +			gpr is the phandle to general purpose register node.
> +			req_gpr is the gpr register offset of CAN stop request.
> +			req_bit is the bit offset of CAN stop request.
> +			ack_gpr is the gpr register offset of CAN stop acknowledge.
> +			ack_bit is the bit offset of CAN stop acknowledge.
> +
>  Example:
>  
>  	can@...00 {
> -- 
> 2.17.1
>