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Date:	Tue, 19 Nov 2013 13:56:54 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Tim Kryger <tim.kryger@...aro.org>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Pawel Moll <Pawel.Moll@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Christian Daudt <bcm@...thebug.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Linux PWM List <linux-pwm@...r.kernel.org>,
	Device Tree List <devicetree@...r.kernel.org>,
	Linux Doc List <linux-doc@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Broadcom Kernel Feedback List 
	<bcm-kernel-feedback-list@...adcom.com>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linaro Patches List <patches@...aro.org>
Subject: Re: [PATCH 1/5] Documentation: dt: Add kona-pwm binding

On Mon, Nov 18, 2013 at 06:54:57PM +0000, Tim Kryger wrote:
> Add the binding description for the kona-pwm block found on Broadcom's
> mobile SoCs.
> 
> Signed-off-by: Tim Kryger <tim.kryger@...aro.org>
> Reviewed-by: Alex Elder <elder@...aro.org>
> Reviewed-by: Markus Mayer <markus.mayer@...aro.org>
> ---
>  .../devicetree/bindings/pwm/bcm-kona-pwm.txt       | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
> 
> diff --git a/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
> new file mode 100644
> index 0000000..5c3ea1b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
> @@ -0,0 +1,24 @@
> +Broadcom's PWM Controller Device Tree bindings
> +
> +Broadcom's Kona PWM Controller has 6 channels
> +
> +Required Properties :
> +- compatible: should be "brcm,kona-pwm"
> +- reg: physical base address and length of the controller's registers
> +- clocks: clock specifier for the kona pwm external clock

Minor nit: phandle + clock-specifier pair

> +- #pwm-cells: should be 2.  The first cell specifies the per-chip index
> +  of the PWM to use and the second cell is the period in nanoseconds.
> +
> +Refer to pwm/pwm.txt for generic pwm controller node properties.
> +
> +Refer to clocks/clock-bindings.txt for generic clock consumer
> +properties
> +
> +Example:
> +
> +pwm: pwm@...1a000 {
> +	compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm";
> +	reg = <0x3e01a000 0xc4>;
> +	clocks = <&pwm_clk>;
> +	#pwm-cells = <2>;
> +};

Otherwise this looks fine.

Mark.
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