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author | Tomasz Figa <t.figa@samsung.com> | 2013-12-12 17:07:20 +0100 |
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committer | Mike Turquette <mturquette@linaro.org> | 2014-01-08 09:57:07 -0800 |
commit | b06c698716476dffb9537b06b0406a55d6fe4cd8 (patch) | |
tree | 4ba6c8137d4a6a102f1f159a258fe3eb9baa9164 /Documentation/devicetree/bindings/clock/maxim,max77686.txt | |
parent | 3966c947f45911e093114371462687134d5e8d40 (diff) | |
download | op-kernel-dev-b06c698716476dffb9537b06b0406a55d6fe4cd8.zip op-kernel-dev-b06c698716476dffb9537b06b0406a55d6fe4cd8.tar.gz |
clk: max77686: Register OF clock provider
If max77686 chip is instantiated from device tree, it is desirable to
have an OF clock provider to allow device tree based look-up of clocks.
This patch adds OF clock provider registration to the clk-max77686
driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/clock/maxim,max77686.txt')
-rw-r--r-- | Documentation/devicetree/bindings/clock/maxim,max77686.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/maxim,max77686.txt b/Documentation/devicetree/bindings/clock/maxim,max77686.txt new file mode 100644 index 0000000..96ce71b --- /dev/null +++ b/Documentation/devicetree/bindings/clock/maxim,max77686.txt @@ -0,0 +1,38 @@ +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: simple one-cell clock specifier format is used, where the + only cell is used as an index of the clock inside the provider. Following + indices are allowed: + - 0: 32khz_ap clock, + - 1: 32khz_cp clock, + - 2: 32khz_pmic clock. + +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 2>; + }; |