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

From: Joakim Zhang
Date: Wed Oct 24 2018 - 20:41:35 EST



-----Original Message-----
From: Rob Herring [mailto:robh@xxxxxxxxxx]
Sent: 2018年10月25日 7:57
To: Joakim Zhang <qiangqing.zhang@xxxxxxx>
Cc: linux-can@xxxxxxxxxxxxxxx; wg@xxxxxxxxxxxxxx; mkl@xxxxxxxxxxxxxx; mark.rutland@xxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; dl-linux-imx <linux-imx@xxxxxxx>; A.s. Dong <aisheng.dong@xxxxxxx>
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@xxxxxxx>
>
> The FlexCAN controller can parse the stop-mode property to enable CAN
> self wakeup feature.
>
> Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
> ---
> 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

Okay, I will add it. Thanks a lot!

Best Regards,
Joakim Zhang

> + <&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@1c000 {
> --
> 2.17.1
>