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author | Ingo Molnar <mingo@kernel.org> | 2014-02-02 09:43:20 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-02-02 09:43:20 +0100 |
commit | 65370bdf881e20907e7a53abab9b8c0bc5f60a6b (patch) | |
tree | 0d32a494e873b7b92dbfab0e67ffeef597ee8108 /Documentation/devicetree/bindings/clock/ti/autoidle.txt | |
parent | e207552e64ea053a33e856828ad7915484911d06 (diff) | |
parent | 5cb480f6b488128140c940abff3c36f524a334a8 (diff) |
Merge branch 'linus' into core/locking
Refresh the topic.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/clock/ti/autoidle.txt')
-rw-r--r-- | Documentation/devicetree/bindings/clock/ti/autoidle.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/ti/autoidle.txt b/Documentation/devicetree/bindings/clock/ti/autoidle.txt new file mode 100644 index 000000000000..7c735dde9fe9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti/autoidle.txt @@ -0,0 +1,39 @@ +Binding for Texas Instruments autoidle clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a register mapped +clock which can be put to idle automatically by hardware based on the usage +and a configuration bit setting. Autoidle clock is never an individual +clock, it is always a derivative of some basic clock like a gate, divider, +or fixed-factor. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- reg : offset for the register controlling the autoidle +- ti,autoidle-shift : bit shift of the autoidle enable bit +- ti,invert-autoidle-bit : autoidle is enabled by setting the bit to 0 + +Examples: + dpll_core_m4_ck: dpll_core_m4_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&dpll_core_x2_ck>; + ti,max-div = <31>; + ti,autoidle-shift = <8>; + reg = <0x2d38>; + ti,index-starts-at-one; + ti,invert-autoidle-bit; + }; + + dpll_usb_clkdcoldo_ck: dpll_usb_clkdcoldo_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&dpll_usb_ck>; + ti,clock-div = <1>; + ti,autoidle-shift = <8>; + reg = <0x01b4>; + ti,clock-mult = <1>; + ti,invert-autoidle-bit; + }; |