[PATCH v2 3/3] leds: leds-pwm: Add device tree bindings

Grant Likely grant.likely at secretlab.ca
Tue Dec 11 09:37:22 EST 2012


On Fri, 7 Dec 2012 15:04:51 +0100, Peter Ujfalusi <peter.ujfalusi at ti.com> wrote:
> On 12/07/2012 02:34 PM, Grant Likely wrote:
> > It really needs to look like this:
> > 
> > pwmleds {
> > 	compatible = "pwm-leds";
> > 	kpad {
> > 		label = "omap4::keypad";
> > 		max-brightness = <127>;
> > 		pwms = <&twl_pwm 0 7812500>;
> > 	};
> > 	charging {
> > 		label = "omap4:green:chrg";
> > 		max-brightness = <255>;
> > 		pwms = <&twl_pwmled 0 7812500>;
> > 	};
> > };
> 
> OK.
> So What we need to do is export the of_pwm_request() from drivers/pwm/core.c
> Client drivers us of_pwm_request(node, NULL); to get the pwm when booted with DT.
> Works fine on my setup this way and the DTS section looks just as you have
> described.
> Now I need to clean them up and resubmit.

Cool, thanks.

g.



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