linux-kernel - Re: [PATCH v9 4/8] devicetree: backlight: Add new SKY81452 backlight binding

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Message-ID: <CAK5ve-+tVD-9XpY3AdNYbBkLYokh+U_EADyMSO1iRNSfp7pQ6w@mail.gmail.com>
Date:	Tue, 2 Dec 2014 14:24:07 -0800
From:	Bryan Wu <cooloney@...il.com>
To:	gyungoh@...il.com
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>, jack.yoo@...worksinc.com,
	lkml <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Pawel Moll <pawel.moll@....com>, heiko@...ech.de,
	Jason Cooper <jason@...edaemon.net>,
	Thierry Reding <treding@...dia.com>, florian.vaussard@...l.ch,
	Jiri Kosina <trivial@...nel.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Andrew Lunn <andrew@...n.ch>, jic23@...nel.org
Subject: Re: [PATCH v9 4/8] devicetree: backlight: Add new SKY81452 backlight binding

On Tue, Dec 2, 2014 at 12:05 AM,  <gyungoh@...il.com> wrote:
> From: Gyungoh Yoo <jack.yoo@...worksinc.com>
>
> Signed-off-by: Gyungoh Yoo <jack.yoo@...worksinc.com>


Acked-by: Bryan Wu <cooloney@...il.com>

Thanks,
-Bryan

> ---
> Changes v9:
> Nothing
>
> Changes v8:
> Renamed property names for backlight with vendor prefix
> Modified gpio-enable property to generic property for GPIO
> Made up the example for backlight DT
>
> Changes v7:
> Nothing
>
> Changes v6:
> Nothing
>
> Changes v5:
> Nothing
>
> Changes v4:
> Nothing
>
> Changes v3:
> Nothing
>
> Changes v2:
> Added reg attribute for I2C slave address
>
>  .../video/backlight/sky81452-backlight.txt         | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
>
> diff --git a/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
> new file mode 100644
> index 0000000..8daebf5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
> @@ -0,0 +1,29 @@
> +SKY81452-backlight bindings
> +
> +Required properties:
> +- compatible           : Must be "skyworks,sky81452-backlight"
> +
> +Optional properties:
> +- name                 : Name of backlight device. Default is 'lcd-backlight'.
> +- gpios                        : GPIO to use to EN pin.
> +                       See Documentation/devicetree/bindings/gpio/gpio.txt
> +- skyworks,en-channels : Enable mask for current sink channel 1 to 6.
> +- skyworks,ignore-pwm  : Ignore both PWM input
> +- skyworks,dpwm-mode   : Enable DPWM dimming mode, otherwise Analog dimming.
> +- skyworks,phase-shift : Enable phase shift mode
> +- skyworks,ovp-level   : Over-voltage protection level.
> +                       Should be between 14 or 28V.
> +- skyworks,short-detection-threshold   : It should be one of 4, 5, 6 and 7V.
> +- skyworks,current-limit       : It should be 2300mA or 2750mA.
> +
> +Example:
> +
> +       backlight {
> +               compatible = "skyworks,sky81452-backlight";
> +               name = "pwm-backlight";
> +               skyworks,en-channels = <0x3f>;
> +               skyworks,ignore-pwm;
> +               skyworks,phase-shift;
> +               skyworks,ovp-level = <20>;
> +               skyworks,current-limit = <2300>;
> +       };
> --
> 1.9.1
>
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