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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /Documentation/devicetree/bindings/clock/maxim,max77686.txt |
Initial import
Diffstat (limited to 'Documentation/devicetree/bindings/clock/maxim,max77686.txt')
-rw-r--r-- | Documentation/devicetree/bindings/clock/maxim,max77686.txt | 46 |
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diff --git a/Documentation/devicetree/bindings/clock/maxim,max77686.txt b/Documentation/devicetree/bindings/clock/maxim,max77686.txt new file mode 100644 index 000000000..9c40739a6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/maxim,max77686.txt @@ -0,0 +1,46 @@ +Binding for Maxim MAX77686 32k clock generator block + +This is a part of device tree bindings of MAX77686 multi-function device. +More information can be found in bindings/mfd/max77686.txt file. + +The MAX77686 contains three 32.768khz clock outputs that can be controlled +(gated/ungated) over I2C. + +Following properties should be presend in main device node of the MFD chip. + +Required properties: + +- #clock-cells: from common clock binding; shall be set to 1. + +Optional properties: +- clock-output-names: From common clock binding. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Following indices are allowed: + - 0: 32khz_ap clock, + - 1: 32khz_cp clock, + - 2: 32khz_pmic clock. + +Clocks are defined as preprocessor macros in dt-bindings/clock/maxim,max77686.h +header and can be used in device tree sources. + +Example: Node of the MFD chip + + max77686: max77686@09 { + compatible = "maxim,max77686"; + interrupt-parent = <&wakeup_eint>; + interrupts = <26 0>; + reg = <0x09>; + #clock-cells = <1>; + + /* ... */ + }; + +Example: Clock consumer node + + foo@0 { + compatible = "bar,foo"; + /* ... */ + clock-names = "my-clock"; + clocks = <&max77686 MAX77686_CLK_PMIC>; + }; |