On Thu, Mar 15, 2018 at 12:50:08PM +0100, Mike Looijmans wrote: > This patch adds the driver and devicetree documentation for the > Silicon Labs SI544 clock generator chip. This is an I2C controlled > oscillator capable of generating clock signals ranging from 200kHz > to 1500MHz. > > Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx> > --- > v2: Add u64 cast to ls_div_bits calculation loop > When ls_div_bits is non-zero, the hs_div must always be even > > .../devicetree/bindings/clock/silabs,si544.txt | 25 ++ > drivers/clk/Kconfig | 10 + > drivers/clk/Makefile | 1 + > drivers/clk/clk-si544.c | 422 +++++++++++++++++++++ > 4 files changed, 458 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/silabs,si544.txt > create mode 100644 drivers/clk/clk-si544.c > > diff --git a/Documentation/devicetree/bindings/clock/silabs,si544.txt b/Documentation/devicetree/bindings/clock/silabs,si544.txt > new file mode 100644 > index 0000000..eec1787 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/silabs,si544.txt > @@ -0,0 +1,25 @@ > +Binding for Silicon Labs 544 programmable I2C clock generator. > + > +Reference > +This binding uses the common clock binding[1]. Details about the device can be > +found in the datasheet[2]. > + > +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt > +[2] Si544 datasheet > + https://www.silabs.com/documents/public/data-sheets/si544-datasheet.pdf > + > +Required properties: > + - compatible: One of "silabs,si514a", "silabs,si514b" "silabs,si514c" according > + to the speed grade of the chip. > + - reg: I2C device address. > + - #clock-cells: From common clock bindings: Shall be 0. > + > +Optional properties: > + - clock-output-names: From common clock bindings. Recommended to be "si544". What's the point if there is only 1 clock output? > + > +Example: > + si544: clock-generator@55 { clock-controller@55 is the standard node name. > + reg = <0x55>; > + #clock-cells = <0>; > + compatible = "silabs,si544b"; > + }; Otherwise, for the binding: Reviewed-by: Rob Herring <robh@xxxxxxxxxx> -- 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
