Re: [PATCH 6/6] arm64: dts: xilinx: ultra96: Standardize LED labels and triggers

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Hi Michal,

On Wed, Oct 10, 2018 at 09:25:24AM +0200, Michal Simek wrote:
> On 9.10.2018 16:05, Manivannan Sadhasivam wrote:
> > For all 96Boards, the following standard is used for onboard LEDs.
> > 
> > device-name:green:user1  default-trigger: heartbeat
> > device-name:green:user2  default-trigger: mmc0/disk-activity
> >                                           (onboard-storage)
> > device-name:green:user3  default-trigger: mmc1 (SD-card)
> > device-name:green:user4  default-trigger: none, panic-indicator
> > device-name:yellow:wlan  default-trigger: phy0tx
> > device-name:blue:bt      default-trigger: hci0-power
> > 
> > So lets adopt the same for Ultra96, which is one of the 96Boards
> > CE and AI platform. Since the WLAN and BT LEDs are hardwired onboard,
> > consolidate only User LEDs.
> > 
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts | 15 ++++++++-------
> >  1 file changed, 8 insertions(+), 7 deletions(-)
> > 
> > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> > index eb5e8bddb610..565ceb390f99 100644
> > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> > @@ -57,29 +57,30 @@
> >  	leds {
> >  		compatible = "gpio-leds";
> >  		ds2 {
> > -			label = "ds2";
> > +			label = "zynqmp-zcu100-revC:green:user1";
> 
> The purpose of this series should be standardize Led labels that's why I
> would expect that leds will be called in the same way on all these
> boards that's why I am not getting why there is board name.
> 
> green:user1 or just user1 should be enough.
> 

Hmm. That's a good point. My proposal to standardize the labels is inspired from
Dragonboard410c dts [1]. They had the device name in label and I decided to
go with that. But as you said, the board name is not needed and just 
`color:led-name` should be fine.

Will modify this in next interation.

Thanks,
Mani

[1] https://github.com/torvalds/linux/blob/master/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi#L294

> Thanks,
> Michal



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