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Diffstat (limited to 'Documentation/devicetree/bindings/clock/actions,owl-cmu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/clock/actions,owl-cmu.txt | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt deleted file mode 100644 index d19885b7c73f..000000000000 --- a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt +++ /dev/null @@ -1,52 +0,0 @@ -* Actions Semi Owl Clock Management Unit (CMU) - -The Actions Semi Owl Clock Management Unit generates and supplies clock -to various controllers within the SoC. The clock binding described here is -applicable to S900, S700 and S500 SoC's. - -Required Properties: - -- compatible: should be one of the following, - "actions,s900-cmu" - "actions,s700-cmu" - "actions,s500-cmu" -- reg: physical base address of the controller and length of memory mapped - region. -- clocks: Reference to the parent clocks ("hosc", "losc") -- #clock-cells: should be 1. -- #reset-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 corresponding -dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or -actions,s500-cmu.h header and can be used in device tree sources. - -External clocks: - -The hosc clock used as input for the plls is generated outside the SoC. It is -expected that it is defined using standard clock bindings as "hosc". - -Actions Semi S900 CMU also requires one more clock: - - "losc" - internal low frequency oscillator - -Example: Clock Management Unit node: - - cmu: clock-controller@e0160000 { - compatible = "actions,s900-cmu"; - reg = <0x0 0xe0160000 0x0 0x1000>; - clocks = <&hosc>, <&losc>; - #clock-cells = <1>; - #reset-cells = <1>; - }; - -Example: UART controller node that consumes clock generated by the clock -management unit: - - uart: serial@e012a000 { - compatible = "actions,s900-uart", "actions,owl-uart"; - reg = <0x0 0xe012a000 0x0 0x2000>; - interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&cmu CLK_UART5>; - }; |