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-rw-r--r--Documentation/devicetree/bindings/clock/maxim,max77686.txt16
1 files changed, 12 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/clock/maxim,max77686.txt b/Documentation/devicetree/bindings/clock/maxim,max77686.txt
index 96ce71bbd745..9c40739a661a 100644
--- a/Documentation/devicetree/bindings/clock/maxim,max77686.txt
+++ b/Documentation/devicetree/bindings/clock/maxim,max77686.txt
@@ -9,13 +9,21 @@ The MAX77686 contains three 32.768khz clock outputs that can be controlled
9Following properties should be presend in main device node of the MFD chip. 9Following properties should be presend in main device node of the MFD chip.
10 10
11Required properties: 11Required properties:
12- #clock-cells: simple one-cell clock specifier format is used, where the 12
13 only cell is used as an index of the clock inside the provider. Following 13- #clock-cells: from common clock binding; shall be set to 1.
14 indices are allowed: 14
15Optional properties:
16- clock-output-names: From common clock binding.
17
18Each clock is assigned an identifier and client nodes can use this identifier
19to specify the clock which they consume. Following indices are allowed:
15 - 0: 32khz_ap clock, 20 - 0: 32khz_ap clock,
16 - 1: 32khz_cp clock, 21 - 1: 32khz_cp clock,
17 - 2: 32khz_pmic clock. 22 - 2: 32khz_pmic clock.
18 23
24Clocks are defined as preprocessor macros in dt-bindings/clock/maxim,max77686.h
25header and can be used in device tree sources.
26
19Example: Node of the MFD chip 27Example: Node of the MFD chip
20 28
21 max77686: max77686@09 { 29 max77686: max77686@09 {
@@ -34,5 +42,5 @@ Example: Clock consumer node
34 compatible = "bar,foo"; 42 compatible = "bar,foo";
35 /* ... */ 43 /* ... */
36 clock-names = "my-clock"; 44 clock-names = "my-clock";
37 clocks = <&max77686 2>; 45 clocks = <&max77686 MAX77686_CLK_PMIC>;
38 }; 46 };