Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support

From	Rob Herring <robh@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support
Date	2016-03-30 15:00 +0200
Message-ID	<rinT4-5vh-7@gated-at.bofh.it> (permalink)
References	<rfWWZ-8bL-3@gated-at.bofh.it> <rfWWZ-8bL-15@gated-at.bofh.it> <rhbTX-3Lh-1@gated-at.bofh.it>
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On Sun, Mar 27, 2016 at 12:50 AM, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
> On Wed 23 Mar 12:48 PDT 2016, Srinivas Kandagatla wrote:
>
>> This patch adds support to 4 user leds, wlan and bt led on board.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> I'm not fond of the overly complicated names; and I think it should at
> least be shortened to "db600c:...".

These names are exposed to userspace. They should be the same across
all 96boards. Same goes for UART numbering and I2C bus labels on the
connector.

> Tested this on my DB600c, seems to work, except the WiFi/BT triggers,
> see comments below.
>
>> +             leds {
>> +                     pinctrl-names = "default";
>> +                     pinctrl-0 = <&user_leds>, <&mpp_leds>;
>> +
>> +                     compatible = "gpio-leds";
>> +
>> +                     led@1 {

unit-address w/o reg property will warn on new dtc. I'd suggest
something like "userX-led".


>> +                             label = "dragonboard-600c:green:user1";
>> +                             gpios = <&tlmm_pinmux 3 GPIO_ACTIVE_HIGH>;
>> +                             linux,default-trigger = "heartbeat";
>> +                             default-state = "off";
>> +                     };

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[PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-23 20:50 +0100
  Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support Nicolas Dechesne <nicolas.dechesne@linaro.org> - 2016-03-24 18:00 +0100
    Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds  support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-29 15:40 +0200
  Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds  support Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-27 08:00 +0200
    Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds  support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-29 16:30 +0200
      Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds  support Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 17:00 +0200
        Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support Nicolas Dechesne <nicolas.dechesne@linaro.org> - 2016-03-29 20:40 +0200
          Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds  support Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 23:20 +0200
    Re: [PATCH 10/12] ARM: dts: dragonboard-600c: Add on board leds support Rob Herring <robh@kernel.org> - 2016-03-30 15:00 +0200

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