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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2017-07-09 13:12:48 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2017-07-09 13:12:48 +0000 |
| commit | f3f213a6f94d330b77b3910f4c66b62aeec50645 (patch) | |
| tree | c3f9fb9d237fa970fbe2a2d425d0be312d0e86a7 /Bindings/leds/leds-mt6323.txt | |
| parent | 8fdc67f730291b64de002bf95d19ae75e058b8ce (diff) | |
Update the DTS file from Linux 4.12vendor/device-tree/4.12
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=320832
svn path=/vendor/device-tree/4.12/; revision=320833; tag=vendor/device-tree/4.12
Diffstat (limited to 'Bindings/leds/leds-mt6323.txt')
| -rw-r--r-- | Bindings/leds/leds-mt6323.txt | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Bindings/leds/leds-mt6323.txt b/Bindings/leds/leds-mt6323.txt new file mode 100644 index 000000000000..45bf9f7d85f3 --- /dev/null +++ b/Bindings/leds/leds-mt6323.txt @@ -0,0 +1,60 @@ +Device Tree Bindings for LED support on MT6323 PMIC + +MT6323 LED controller is subfunction provided by MT6323 PMIC, so the LED +controllers are defined as the subnode of the function node provided by MT6323 +PMIC controller that is being defined as one kind of Muti-Function Device (MFD) +using shared bus called PMIC wrapper for each subfunction to access remote +MT6323 PMIC hardware. + +For MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt +For MediaTek PMIC wrapper bindings see: +Documentation/devicetree/bindings/soc/mediatek/pwrap.txt + +Required properties: +- compatible : Must be "mediatek,mt6323-led" +- address-cells : Must be 1 +- size-cells : Must be 0 + +Each led is represented as a child node of the mediatek,mt6323-led that +describes the initial behavior for each LED physically and currently only four +LED child nodes can be supported. + +Required properties for the LED child node: +- reg : LED channel number (0..3) + +Optional properties for the LED child node: +- label : See Documentation/devicetree/bindings/leds/common.txt +- linux,default-trigger : See Documentation/devicetree/bindings/leds/common.txt +- default-state: See Documentation/devicetree/bindings/leds/common.txt + +Example: + + mt6323: pmic { + compatible = "mediatek,mt6323"; + + ... + + mt6323led: leds { + compatible = "mediatek,mt6323-led"; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + label = "LED0"; + linux,default-trigger = "timer"; + default-state = "on"; + }; + led@1 { + reg = <1>; + label = "LED1"; + default-state = "off"; + }; + led@2 { + reg = <2>; + label = "LED2"; + default-state = "on"; + }; + }; + }; |