From: Rob Herring <robh@kernel.org>
To: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: jacek.anaszewski@gmail.com, pavel@ucw.cz, sre@kernel.org,
mark.rutland@arm.com, lee.jones@linaro.org,
daniel.thompson@linaro.org, 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
Subject: Re: [PATCH v10 4/6] dts-bindings: leds: Document the naming requirement for LED properties
Date: Wed, 9 Oct 2019 14:26:28 -0500 [thread overview]
Message-ID: <20191009192628.GA24087@bogus> (raw)
In-Reply-To: <20191009085127.22843-5-jjhiblot@ti.com>
On Wed, Oct 09, 2019 at 10:51:25AM +0200, Jean-Jacques Hiblot wrote:
> LED properties must be named "leds" in the same way that PWM, clocks or
> PHY properties are names respectively "pwms", "clocks" and "phys".
>
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
> ---
> .../devicetree/bindings/leds/common.txt | 20 ++++++++++++++++---
> 1 file changed, 17 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 9fa6f9795d50..31b8c1f68d27 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -10,6 +10,9 @@ can influence the way of the LED device initialization, the LED components
> have to be tightly coupled with the LED device binding. They are represented
> by child nodes of the parent LED device binding.
>
> +LED properties should be named "leds". The exact meaning of each leds
> +property must be documented in the device tree binding for each device.
> +
This is worded oddly. The property is 'leds' and it is always a list of
phandles to LED device nodes. It is present in an LED consumer device.
>
> Optional properties for child nodes:
> - led-sources : List of device current outputs the LED is connected to. The
> @@ -165,9 +168,20 @@ led-controller@30 {
> function-enumerator = <2>;
> };
>
> - led@3 {
> + bkl_led0: led@3 {
> reg = <3>;
> - function = LED_FUNCTION_INDICATOR;
> - function-enumerator = <3>;
> + function = LED_FUNCTION_BACKLIGHT;
> + function-enumerator = <1>;
> };
> +
> + bkl_led1: led@4 {
> + reg = <4>;
> + function = LED_FUNCTION_BACKLIGHT;
> + function-enumerator = <2>;
> + };
> +};
> +
> +
> +backlight@40 {
Either needs 'reg' or the unit-address dropped.
> + leds = <&bkl_led0> , <&bkl_led1>;
drop the space ^
> };
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-10-09 19:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-09 8:51 [PATCH v10 0/6] Add a generic driver for LED-based backlight Jean-Jacques Hiblot
2019-10-09 8:51 ` [PATCH v10 1/6] leds: populate the device's of_node Jean-Jacques Hiblot
2019-10-09 10:52 ` Tomi Valkeinen
2019-10-09 8:51 ` [PATCH v10 2/6] leds: Add of_led_get() and led_put() Jean-Jacques Hiblot
2019-10-09 8:51 ` [PATCH v10 3/6] leds: Add managed API to get a LED from a device driver Jean-Jacques Hiblot
2019-10-09 8:51 ` [PATCH v10 4/6] dts-bindings: leds: Document the naming requirement for LED properties Jean-Jacques Hiblot
2019-10-09 19:26 ` Rob Herring [this message]
2019-10-10 10:31 ` Jean-Jacques Hiblot
2019-10-09 8:51 ` [PATCH v10 5/6] dt-bindings: backlight: Add led-backlight binding Jean-Jacques Hiblot
2019-10-09 19:35 ` Rob Herring
2019-11-21 18:22 ` Tony Lindgren
2019-10-09 8:51 ` [PATCH v10 6/6] backlight: add led-backlight driver Jean-Jacques Hiblot
2019-11-21 18:13 ` Tony Lindgren
2020-01-07 10:28 ` Lee Jones
2020-01-07 13:45 ` Pavel Machek
2020-01-07 14:33 ` Lee Jones
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