From: Jacek Anaszewski <jacek.anaszewski@gmail.com>
To: Jean-Jacques Hiblot <jjhiblot@ti.com>,
pavel@ucw.cz, robh+dt@kernel.org, mark.rutland@arm.com,
lee.jones@linaro.org, daniel.thompson@linaro.org,
jingoohan1@gmail.com
Cc: dmurphy@ti.com, linux-leds@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
tomi.valkeinen@ti.com,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v4 3/4] dt-bindings: backlight: Add led-backlight binding
Date: Thu, 18 Jul 2019 14:30:00 +0200 [thread overview]
Message-ID: <16865fe5-cc9c-e6f5-6950-54cc70153243@gmail.com> (raw)
In-Reply-To: <20190717141514.21171-4-jjhiblot@ti.com>
Cc devicetree@vger.kernel.org list - Rob once informed us this gets
higher priority in his queue this way.
On 7/17/19 4:15 PM, Jean-Jacques Hiblot wrote:
> Add DT binding for led-backlight.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
> ---
> .../bindings/leds/backlight/led-backlight.txt | 28 +++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/backlight/led-backlight.txt
>
> diff --git a/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt b/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt
> new file mode 100644
> index 000000000000..4c7dfbe7f67a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt
> @@ -0,0 +1,28 @@
> +led-backlight bindings
> +
> +This binding is used to describe a basic backlight device made of LEDs.
> +It can also be used to describe a backlight device controlled by the output of
> +a LED driver.
> +
> +Required properties:
> + - compatible: "led-backlight"
> + - leds: a list of LEDs
> +
> +Optional properties:
> + - brightness-levels: Array of distinct brightness levels. The levels must be
> + in the range accepted by the underlying LED devices.
> + This is used to translate a backlight brightness level
> + into a LED brightness level. If it is not provided, the
> + identity mapping is used.
> +
> + - default-brightness-level: The default brightness level.
> +
> +Example:
> +
> + backlight {
> + compatible = "led-backlight";
> +
> + leds = <&led1>, <&led2>;
> + brightness-levels = <0 4 8 16 32 64 128 255>;
> + default-brightness-level = <6>;
> + };
>
--
Best regards,
Jacek Anaszewski
next prev parent reply other threads:[~2019-07-18 12:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-17 14:15 [PATCH v4 0/4] Add a generic driver for LED-based backlight Jean-Jacques Hiblot
2019-07-17 14:15 ` [PATCH v4 1/4] leds: Add of_led_get() and led_put() Jean-Jacques Hiblot
2019-07-30 11:02 ` Pavel Machek
2019-07-17 14:15 ` [PATCH v4 2/4] leds: Add managed API to get a LED from a device driver Jean-Jacques Hiblot
2019-07-31 13:23 ` Tomi Valkeinen
2019-07-17 14:15 ` [PATCH v4 3/4] dt-bindings: backlight: Add led-backlight binding Jean-Jacques Hiblot
2019-07-18 12:30 ` Jacek Anaszewski [this message]
2019-07-17 14:15 ` [PATCH v4 4/4] backlight: add led-backlight driver Jean-Jacques Hiblot
2019-09-09 9:53 ` Daniel Thompson
2019-07-18 13:19 ` [PATCH v4 0/4] Add a generic driver for LED-based backlight Jacek Anaszewski
2019-07-22 7:06 ` Lee Jones
2019-07-22 21:23 ` Jacek Anaszewski
2019-09-08 16:17 ` Jacek Anaszewski
2019-09-09 11:12 ` Daniel Thompson
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