Messages in this thread | | | Date | Wed, 14 May 2014 21:35:37 +0200 | From | Tomasz Figa <> | Subject | Re: [PATCHv5 4/5] dt-bindings: add documentation for Exynos3250 clock controller |
| |
Hi,
On 13.05.2014 15:05, Chanwoo Choi wrote: > The Exynos3250 clocks are statically listed and registered using the > Samsung specific common clock helper functions. Both device tree based > clock lookup and clkdev based clock lookups are supported. > > Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> > Signed-off-by: Tomasz Figa <t.figa@samsung.com> > Acked-by: Kyungmin Park <kyungmin.park@samsung.com> > Cc: Mike Turquette <mturquette@linaro.org> > Cc: Kukjin Kim <kgene.kim@samsung.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Pawel Moll <pawel.moll@arm.com> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > Cc: Kumar Gala <galak@codeaurora.org> > Cc: Randy Dunlap <rdunlap@infradead.org> > Cc: Tomasz Figa <t.figa@samsung.com> > --- > .../devicetree/bindings/clock/exynos3250-clock.txt | 41 ++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/exynos3250-clock.txt > > diff --git a/Documentation/devicetree/bindings/clock/exynos3250-clock.txt b/Documentation/devicetree/bindings/clock/exynos3250-clock.txt > new file mode 100644 > index 0000000..aadc9c5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/exynos3250-clock.txt > @@ -0,0 +1,41 @@ > +* Samsung Exynos3250 Clock Controller > + > +The Exynos3250 clock controller generates and supplies clock to various > +controllers within the Exynos3250 SoC. > + > +Required Properties: > + > +- compatible: should be one of the following. > + - "samsung,exynos3250-cmu" - controller compatible with Exynos3250 SoC. > + > +- reg: physical base address of the controller and length of memory mapped > + region. > + > +- #clock-cells: should be 1. > + > +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 > +dt-bindings/clock/exynos3250.h header and can be used in device > +tree sources. > + > +Example 1: An example of a clock controller node is listed below. > + > + cmu: clock-controller@10030000 { > + compatible = "samsung,exynos3250-cmu"; > + reg = <0x10030000 0x20000>; > + #clock-cells = <1>; > + }; > + > +Example 2: UART controller node that consumes the clock generated by the clock > + controller. Refer to the standard clock bindings for information > + about 'clocks' and 'clock-names' property. > + > + serial@13800000 { > + compatible = "samsung,exynos4210-uart"; > + reg = <0x13800000 0x100>; > + interrupts = <0 109 0>; > + clocks = <&cmu CLK_UART0>, <&cmu CLK_SCLK_UART0>; > + clock-names = "uart", "clk_uart_baud0"; > + }; >
Oops, I've forgotten to apply this one. Since it doesn't have any dependencies, Kukjin, could you apply it on top of my pull requests with my Ack? Thanks in advance.
Acked-by: Tomasz Figa <t.figa@samsung.com>
Best regards, Tomasz
| |