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Diffstat (limited to 'Documentation/devicetree/bindings/leds/leds-pca955x.txt')
-rw-r--r-- | Documentation/devicetree/bindings/leds/leds-pca955x.txt | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-pca955x.txt b/Documentation/devicetree/bindings/leds/leds-pca955x.txt deleted file mode 100644 index 7984efb767b4..000000000000 --- a/Documentation/devicetree/bindings/leds/leds-pca955x.txt +++ /dev/null @@ -1,88 +0,0 @@ -* NXP - pca955x LED driver - -The PCA955x family of chips are I2C LED blinkers whose pins not used -to control LEDs can be used as general purpose I/Os. The GPIO pins can -be input or output, and output pins can also be pulse-width controlled. - -Required properties: -- compatible : should be one of : - "nxp,pca9550" - "nxp,pca9551" - "nxp,pca9552" - "nxp,pca9553" -- #address-cells: must be 1 -- #size-cells: must be 0 -- reg: I2C slave address. depends on the model. - -Optional properties: -- gpio-controller: allows pins to be used as GPIOs. -- #gpio-cells: must be 2. -- gpio-line-names: define the names of the GPIO lines - -LED sub-node properties: -- reg : number of LED line. - from 0 to 1 for the pca9550 - from 0 to 7 for the pca9551 - from 0 to 15 for the pca9552 - from 0 to 3 for the pca9553 -- type: (optional) either - PCA9532_TYPE_NONE - PCA9532_TYPE_LED - PCA9532_TYPE_GPIO - see dt-bindings/leds/leds-pca955x.h (default to LED) -- label : (optional) - see Documentation/devicetree/bindings/leds/common.txt -- linux,default-trigger : (optional) - see Documentation/devicetree/bindings/leds/common.txt - -Examples: - -pca9552: pca9552@60 { - compatible = "nxp,pca9552"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0x60>; - - gpio-controller; - #gpio-cells = <2>; - gpio-line-names = "GPIO12", "GPIO13", "GPIO14", "GPIO15"; - - gpio@12 { - reg = <12>; - type = <PCA955X_TYPE_GPIO>; - }; - gpio@13 { - reg = <13>; - type = <PCA955X_TYPE_GPIO>; - }; - gpio@14 { - reg = <14>; - type = <PCA955X_TYPE_GPIO>; - }; - gpio@15 { - reg = <15>; - type = <PCA955X_TYPE_GPIO>; - }; - - led@0 { - label = "red:power"; - linux,default-trigger = "default-on"; - reg = <0>; - type = <PCA955X_TYPE_LED>; - }; - led@1 { - label = "green:power"; - reg = <1>; - type = <PCA955X_TYPE_LED>; - }; - led@2 { - label = "pca9552:yellow"; - reg = <2>; - type = <PCA955X_TYPE_LED>; - }; - led@3 { - label = "pca9552:white"; - reg = <3>; - type = <PCA955X_TYPE_LED>; - }; -}; |