Hi Elaine, Am Mittwoch, 5. April 2017, 10:07:41 CEST schrieb Elaine Zhang: > On 04/05/2017 12:04 AM, Heiko Stuebner wrote: > > Am Montag, 27. März 2017, 17:40:48 CEST schrieb cl@xxxxxxxxxxxxxx: > >> From: Liang Chen <cl@xxxxxxxxxxxxxx> > >> > >> This patch adds core dtsi file for Rockchip RK3328 SoCs. > >> > >> Signed-off-by: Liang Chen <cl@xxxxxxxxxxxxxx> > > > > applied for 4.12, with the following list of changes: > > > > - reorder some properties to bring them in alphabetical order > > - dropped the status-disabled from the power-controller > > > > power-domain control is a quite essential part of the system, so if > > boards really want to disable them, they should do it in their board > > file > > Having power-domains on all the time, is also our default in all other > > devicetrees. > > > > - removed #dma-cells from spi0 -> this is not a dma controller > > - reword the cru assigned-clocks comment a bit > > - fixed sdmmc1_bus4 pins, as indicated by Shawn and after looking up the > > > > correct pins in the manual > > > > And a final question, are you sure about SCLK_PDM becoming a child of the > > APLL in your cru assigned-clocks, as the APLL will vary later on with > > cpufreq active? > > the NPLL will vary later on with cpufreq active. > > The NPLL is better than APLL, so NPLL is for clk_core,and apll is for pdm. > > please see the TRM in CRU: > 1.4 Function Description > /........./ > To maximize the flexibility, some of clocks can select divider source > from 5 PLLs. (Note: It’s > recommended to use NEW PLL instead of ARM PLL as arm clock source, > because NEW PLL is > near to ARM. And it’s jitter is better than ARM PLL). Thanks for the clarification - this way it definitly makes sense. Thanks Heiko -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
