[PATCH 1/5] Documentation: dt: Add kona-pwm binding
Thierry Reding
thierry.reding at gmail.com
Mon Nov 25 06:17:10 EST 2013
On Mon, Nov 18, 2013 at 10:54:57AM -0800, 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 at linaro.org>
> Reviewed-by: Alex Elder <elder at linaro.org>
> Reviewed-by: Markus Mayer <markus.mayer at linaro.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
This sounds somewhat strange, like Broadcom owns the bindings... perhaps
just:
Broadcom PWM controller device tree bindings
Or for consistency:
Broadcom Kona PWM controller device tree bindings
since apparently there exist other Broadcom PWM controllers.
> +Broadcom's Kona PWM Controller has 6 channels
"controller" and end the sentence with a full stop.
> +
> +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
Please use the correct spelling "PWM" in prose here and elsewhere. Also
you should pick one of "kona", "Kona" or "KONA" and stick with it
consistently. Might also be useful to mention what Kona is. Doesn't
necessarily have to be in the document, but if for nothing else, then
just for my curiosity.
> +- #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
This sentence should also end with a full stop.
Thierry
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