Hi Elaine, Am Donnerstag, 18. Mai 2017, 10:16:58 CEST schrieb Elaine Zhang: > Add devicetree bindings for Rockchip cru which found on > Rockchip SoCs. > > Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> > --- > .../bindings/clock/rockchip,rk3128-cru.txt | 56 ++++++++++++++++++++++ > 1 file changed, 56 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3128-cru.txt > > diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3128-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3128-cru.txt > new file mode 100644 > index 000000000000..455a9a00a623 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3128-cru.txt > @@ -0,0 +1,56 @@ > +* Rockchip RK3128 Clock and Reset Unit > + > +The RK3128 clock controller generates and supplies clock to various > +controllers within the SoC and also implements a reset controller for SoC > +peripherals. > + > +Required Properties: > + > +- compatible: should be "rockchip,rk3128-cru" > +- reg: physical base address of the controller and length of memory mapped > + region. > +- #clock-cells: should be 1. > +- #reset-cells: should be 1. > + > +Optional Properties: > + > +- rockchip,grf: phandle to the syscon managing the "general register files" > + If missing pll rates are not changeable, due to the missing pll lock status. > + > +Each clock is assigned an identifier and client nodes can use this identifier > +to specify the clock which they consume. All available clocks are defined as > +preprocessor macros in the dt-bindings/clock/rk3128-cru.h headers and can be > +used in device tree sources. Similar macros exist for the reset sources in > +these files. > + > +External clocks: > + > +There are several clocks that are generated outside the SoC. It is expected > +that they are defined using standard clock bindings with following > +clock-output-names: > + - "xin24m" - crystal input - required, > + - "ext_i2s" - external I2S clock - optional, > + - "gmac_clkin" - external GMAC clock - optional missing usb480m_phy as external clock, that comes back from the usbphy block. Otherwise looks good Heiko -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
