From: Rob Herring <robh+dt@kernel.org>
To: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Pavel Machek <pavel@ucw.cz>, Sebastian Reichel <sre@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Lee Jones <lee.jones@linaro.org>,
Daniel Thompson <daniel.thompson@linaro.org>,
Dan Murphy <dmurphy@ti.com>,
Linux LED Subsystem <linux-leds@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: Re: [PATCH v9 4/5] dt-bindings: backlight: Add led-backlight binding
Date: Tue, 8 Oct 2019 09:52:55 -0500 [thread overview]
Message-ID: <CAL_JsqLzi3y8hBvx9Qpx7QKPGAzq_LyuEDdi35f9k8nEfj5wCw@mail.gmail.com> (raw)
In-Reply-To: <30fcd898-aa50-bac2-b316-0d9bf2429369@ti.com>
On Tue, Oct 8, 2019 at 7:51 AM Jean-Jacques Hiblot <jjhiblot@ti.com> wrote:
>
> Hi Rob,
>
> On 07/10/2019 18:15, Rob Herring wrote:
> > Please send DT bindings to DT list or it's never in my queue. IOW,
> > send patches to the lists that get_maintainers.pl tells you to.
> >
> > On Mon, Oct 7, 2019 at 7:45 AM Jean-Jacques Hiblot <jjhiblot@ti.com> wrote:
> >> Add DT binding for led-backlight.
> >>
> >> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
> >> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
> >> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> >> ---
> >> .../bindings/leds/backlight/led-backlight.txt | 28 +++++++++++++++++++
> >> 1 file changed, 28 insertions(+)
> >> create mode 100644 Documentation/devicetree/bindings/leds/backlight/led-backlight.txt
> > Please make this a DT schema.
>
> OK.
>
> BTW I used "make dt_binding_check" but had to fix a couple of YAMLs file
> to get it to work. Do you have a kernel tree with already all the YAML
> files in good shape ? Or do you want me to post the changes to
> devicetree@vger.kernel.org ?
linux-next is fixed now.
> >> 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
> > 'leds' is already used as a node name and mixing is not ideal.
> >
> > We already have 'flash-leds' in use and with the same definition, so
> > lets continue that and use 'backlight-leds'.
> OK
> >
> >> +
> >> +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.
> > You can just assume these 2 get a common schema at some point. So just
> > need to define any additional constraints if possible.
>
> Maybe we should keep them until such a common schema is written ?
I'm not saying to remove them, but you can just have a description if
there are no other constraints.
Rob
next prev parent reply other threads:[~2019-10-08 14:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 12:44 [PATCH v9 0/5] Add a generic driver for LED-based backlight Jean-Jacques Hiblot
2019-10-07 12:44 ` [PATCH v9 1/5] leds: populate the device's of_node Jean-Jacques Hiblot
2019-10-07 12:44 ` [PATCH v9 2/5] leds: Add of_led_get() and led_put() Jean-Jacques Hiblot
2019-10-07 12:44 ` [PATCH v9 3/5] leds: Add managed API to get a LED from a device driver Jean-Jacques Hiblot
2019-10-13 12:09 ` Pavel Machek
2019-10-07 12:44 ` [PATCH v9 4/5] dt-bindings: backlight: Add led-backlight binding Jean-Jacques Hiblot
2019-10-07 16:15 ` Rob Herring
2019-10-08 12:51 ` Jean-Jacques Hiblot
2019-10-08 13:30 ` Jean-Jacques Hiblot
2019-10-08 15:00 ` Rob Herring
2019-10-08 17:17 ` Jacek Anaszewski
2019-10-08 17:17 ` Jacek Anaszewski
2019-10-08 20:00 ` Rob Herring
2019-10-09 18:31 ` Jacek Anaszewski
2019-10-08 14:52 ` Rob Herring [this message]
2019-10-07 12:44 ` [PATCH v9 5/5] backlight: add led-backlight driver Jean-Jacques Hiblot
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