Hello Sam, On Thu, Aug 22, 2019 at 02:58:33PM +0800, Sam Shih wrote: > This fix mt7628 pwm during configure from userspace. The SoC > is legacy MIPS and has no complex clock tree. This patch add property > clock-frequency to the SoC specific data and legacy MIPS SoC need to > configure it in DT. This property is use for period calculation. > > We will improve this fix by droping has-clks attribute and using > clock-frequency to do the same thing in a new patch. > > Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> > Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx> I wonder if instead the platform could provide some dummy and optional clocks. You could add a fixed-clock for the clk that is used to determine the clock rate and switch to devm_clk_get_optional for the others. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
