linux-kernel - Re: [PATCH v5 2/2] auxdisplay: ht16k33: Driver for LED controller

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Date:	Mon, 11 Apr 2016 09:49:56 -0500
From:	Rob Herring <robh@...nel.org>
To:	Robin van der Gracht <robin@...tonic.nl>
Cc:	linux-kernel@...r.kernel.org, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Miguel Ojeda Sandonis <miguel.ojeda.sandonis@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v5 2/2] auxdisplay: ht16k33: Driver for LED controller

On Thu, Apr 07, 2016 at 10:54:01AM +0200, Robin van der Gracht wrote:
> Added a driver for the Holtek HT16K33 LED controller with keyscan.
> 
> Signed-off-by: Robin van der Gracht <robin@...tonic.nl>
> ---
> Changes in v5:
>  - Updated compatible string
>  - the HT16K33_FB_SIZE define now uses BYTES_PER_ROW as multiplier instead of 2
>  - Dropped a trailing '\' in ht16k33.txt
>  - Shortened commit message (exceeded 80 chars in v4) 
> 
>  .../devicetree/bindings/display/ht16k33.txt        |  42 ++
>  drivers/auxdisplay/Kconfig                         |   9 +
>  drivers/auxdisplay/Makefile                        |   1 +
>  drivers/auxdisplay/ht16k33.c                       | 563 +++++++++++++++++++++
>  4 files changed, 615 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/ht16k33.txt
>  create mode 100644 drivers/auxdisplay/ht16k33.c
> 
> diff --git a/Documentation/devicetree/bindings/display/ht16k33.txt b/Documentation/devicetree/bindings/display/ht16k33.txt
> new file mode 100644
> index 0000000..d9694b7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/ht16k33.txt
> @@ -0,0 +1,42 @@
> +Holtek ht16k33 RAM mapping 16*8 LED controller driver with keyscan
> +-------------------------------------------------------------------------------
> +
> +Required properties:
> +- compatible:		"holtek,ht16k33"
> +- reg:			I2C slave address of the chip.
> +- interrupt-parent:	A phandle pointing to the interrupt controller
> +			serving the interrupt for this chip.
> +- interrupts:		Interrupt specification for the key pressed interrupt.
> +- refresh-rate-hz:	Display update interval in HZ.
> +- debounce-delay-ms:	Debouncing interval time in microseconds.

'-ms' is milliseconds, but you have usec...         ^^^^^^^^^^^^

Otherwise,

Acked-by: Rob Herring <robh@...nel.org>