Re: [PATCH v2 4/4] dt-bindings: mfd: update TI tps6105x chip bindings

From: Jacek Anaszewski
Date: Tue Nov 19 2019 - 14:39:00 EST


Hi Sven,

On 11/19/19 8:03 PM, Sven Van Asbroeck wrote:
> On Tue, Nov 19, 2019 at 1:37 PM Dan Murphy <dmurphy@xxxxxx> wrote:
>>
>>> +
>>> +Example (GPIO + led operation):
>> What part of the example is GPIO? Is that the default function?
>
> The gpio function is always available by default.
> The mfd driver always adds the gpio mfd_cell.
> But no-one has ever implemented a mfd sub-driver for gpio.
>
>>> +
>>> +i2c0 {
>>> + tps61052@33 {
>>> + compatible = "ti,tps61052";
>>> + reg = <0x33>;
>>> +
>>> + led {
>>> + label = "tps-torch";
>>
>> function and color examples?
>
> No function, no colour. This is a simple led control with 8 intensity
> steps. We use it as a led torch on an industrial device.

label DT property was recently deprecated. We now encourage using
'function' and/or 'color'. Please refer to
Documentation/devicetree/bindings/leds/common.txt.

--
Best regards,
Jacek Anaszewski