linux-kernel - Re: [PATCH v2] ARM: zynq: DT: Add CAN node

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Date:	Fri, 25 Jul 2014 08:00:17 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Michal Simek <michal.simek@...inx.com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	Appana Durga Kedareswara Rao <appanad@...inx.com>,
	<monstr@...str.eu>, Josh Cartwright <josh.cartwright@...com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Rob Herring <robherring2@...il.com>,
	Peter Crosthwaite <peter.crosthwaite@...inx.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ARM: zynq: DT: Add CAN node

On Fri, 2014-07-25 at 08:52AM +0200, Michal Simek wrote:
> Add node describing Zynq's CAN controller.
> 
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> 
> Changes in v2:
> - Add can1
> - Enable can0 for zc702
> - Use status property
> 
>  arch/arm/boot/dts/zynq-7000.dtsi | 26 +++++++++++++++++++++++++-
>  arch/arm/boot/dts/zynq-zc702.dts |  4 ++++
>  2 files changed, 29 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index 366ca6434f54..983148111e3a 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -71,7 +71,31 @@
>  			interrupts = <0 7 4>;
>  			interrupt-parent = <&intc>;
>  			clocks = <&clkc 12>;
> -		};
> +		};
> +
> +		can0: can@...08000 {
> +			compatible = "xlnx,zynq-can-1.0";
> +			status = "disabled";
> +			clocks = <&clkc 19>, <&clkc 36>;
> +			clock-names = "can_clk", "pclk";
> +			reg = <0xe0008000 0x1000>;
> +			interrupts = <0 28 4>;
> +			interrupt-parent = <&intc>;
> +			tx-fifo-depth = <0x40>;
> +			rx-fifo-depth = <0x40>;
> +		};
> +
> +		can1: can@...09000 {
> +			compatible = "xlnx,zynq-can-1.0";
> +			status = "disabled";
> +			clocks = <&clkc 19>, <&clkc 36>;
The clocks for CAN1 must be outputs 20 and 37 of the clkc.

	Sören

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