On Wed, Oct 08, 2014 at 12:14:32PM +0200, Bart Tanghe wrote: > Add pwm driver for Broadcom BCM2835 processor (Raspberry Pi) > > Signed-off-by: Bart Tanghe <[email protected]> > --- > Changed in v7: > - clean up the shameful clk_enable error handling introduced in v6 > - clean up the code nits > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt > b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt > new file mode 100644 > index 0000000..d5162db > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt > @@ -0,0 +1,27 @@ > +BCM2835 PWM controller (Raspberry Pi controller) > + > +Required properties: > +- compatible: should be "brcm,bcm2835-pwm" > +- reg: physical base address and length of the controller's registers > +- clock: this clock defines the base clock frequency of the pwm > +hardware system, the period and the duty_cycle of the pwm signal is a > +multiple of the base period
This needs to document the #pwm-cells property. I can fix that up when applying, though. Let's give Stephen and others a chance to give this another look. Thierry
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