diff options
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
12 files changed, 168 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/leds/ams,as3645a.txt b/Documentation/devicetree/bindings/leds/ams,as3645a.txt index fdc40e354a64..4af2987b25e9 100644 --- a/Documentation/devicetree/bindings/leds/ams,as3645a.txt +++ b/Documentation/devicetree/bindings/leds/ams,as3645a.txt @@ -39,7 +39,9 @@ ams,input-max-microamp: Maximum flash controller input current. The Optional properties of the flash child node =========================================== -label : The label of the flash LED. +function : See Documentation/devicetree/bindings/leds/common.txt. +color : See Documentation/devicetree/bindings/leds/common.txt. +label : See Documentation/devicetree/bindings/leds/common.txt (deprecated). Required properties of the indicator child node (1) @@ -52,28 +54,32 @@ led-max-microamp: Maximum indicator current. The allowed values are Optional properties of the indicator child node =============================================== -label : The label of the indicator LED. +function : See Documentation/devicetree/bindings/leds/common.txt. +color : See Documentation/devicetree/bindings/leds/common.txt. +label : See Documentation/devicetree/bindings/leds/common.txt (deprecated). Example ======= +#include <dt-bindings/leds/common.h> + as3645a@30 { - #address-cells: 1 - #size-cells: 0 + #address-cells = <1>; + #size-cells = <0>; reg = <0x30>; compatible = "ams,as3645a"; - flash@0 { + led@0 { reg = <0x0>; flash-timeout-us = <150000>; flash-max-microamp = <320000>; led-max-microamp = <60000>; ams,input-max-microamp = <1750000>; - label = "as3645a:flash"; + function = LED_FUNCTION_FLASH; }; - indicator@1 { + led@1 { reg = <0x1>; led-max-microamp = <10000>; - label = "as3645a:indicator"; + function = LED_FUNCTION_INDICATOR; }; }; diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index 70876ac11367..9fa6f9795d50 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -10,14 +10,30 @@ can influence the way of the LED device initialization, the LED components have to be tightly coupled with the LED device binding. They are represented by child nodes of the parent LED device binding. + Optional properties for child nodes: - led-sources : List of device current outputs the LED is connected to. The outputs are identified by the numbers that must be defined in the LED device binding documentation. + +- function: LED functon. Use one of the LED_FUNCTION_* prefixed definitions + from the header include/dt-bindings/leds/common.h. + If there is no matching LED_FUNCTION available, add a new one. + +- color : Color of the LED. Use one of the LED_COLOR_ID_* prefixed definitions + from the header include/dt-bindings/leds/common.h. + If there is no matching LED_COLOR_ID available, add a new one. + +- function-enumerator: Integer to be used when more than one instance + of the same function is needed, differing only with + an ordinal number. + - label : The label for this LED. If omitted, the label is taken from the node name (excluding the unit address). It has to uniquely identify a device, i.e. no other LED class device can be assigned the same - label. + label. This property is deprecated - use 'function' and 'color' + properties instead. function-enumerator has no effect when this + property is present. - default-state : The initial state of the LED. Valid values are "on", "off", and "keep". If the LED is already on or off and the default-state property is @@ -99,29 +115,59 @@ Required properties for trigger source: * Examples -gpio-leds { +#include <dt-bindings/leds/common.h> + +led-controller@0 { compatible = "gpio-leds"; - system-status { - label = "Status"; + led0 { + function = LED_FUNCTION_STATUS; linux,default-trigger = "heartbeat"; gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; }; - usb { + led1 { + function = LED_FUNCTION_USB; gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; trigger-sources = <&ohci_port1>, <&ehci_port1>; }; }; -max77693-led { +led-controller@0 { compatible = "maxim,max77693-led"; - camera-flash { - label = "Flash"; + led { + function = LED_FUNCTION_FLASH; + color = <LED_COLOR_ID_WHITE>; led-sources = <0>, <1>; led-max-microamp = <50000>; flash-max-microamp = <320000>; flash-max-timeout-us = <500000>; }; }; + +led-controller@30 { + compatible = "panasonic,an30259a"; + reg = <0x30>; + #address-cells = <1>; + #size-cells = <0>; + + led@1 { + reg = <1>; + linux,default-trigger = "heartbeat"; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <1>; + }; + + led@2 { + reg = <2>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <2>; + }; + + led@3 { + reg = <3>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <3>; + }; +}; diff --git a/Documentation/devicetree/bindings/leds/leds-aat1290.txt b/Documentation/devicetree/bindings/leds/leds-aat1290.txt index 85c0c58617f6..62ed17ec075b 100644 --- a/Documentation/devicetree/bindings/leds/leds-aat1290.txt +++ b/Documentation/devicetree/bindings/leds/leds-aat1290.txt @@ -32,15 +32,18 @@ Required properties of the LED child node: formula: T = 8.82 * 10^9 * Ct. Optional properties of the LED child node: -- label : see Documentation/devicetree/bindings/leds/common.txt +- function : see Documentation/devicetree/bindings/leds/common.txt +- color : see Documentation/devicetree/bindings/leds/common.txt +- label : see Documentation/devicetree/bindings/leds/common.txt (deprecated) Example (by Ct = 220nF, Rset = 160kohm and exynos4412-trats2 board with a switch that allows for routing strobe signal either from the host or from the camera sensor): #include "exynos4412.dtsi" +#include <dt-bindings/leds/common.h> -aat1290 { +led-controller { compatible = "skyworks,aat1290"; flen-gpios = <&gpj1 1 GPIO_ACTIVE_HIGH>; enset-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>; @@ -50,8 +53,9 @@ aat1290 { pinctrl-1 = <&camera_flash_host>; pinctrl-2 = <&camera_flash_isp>; - camera_flash: flash-led { - label = "aat1290-flash"; + camera_flash: led { + function = LED_FUNCTION_FLASH; + color = <LED_COLOR_ID_WHITE>; led-max-microamp = <520833>; flash-max-microamp = <1012500>; flash-max-timeout-us = <1940000>; diff --git a/Documentation/devicetree/bindings/leds/leds-an30259a.txt b/Documentation/devicetree/bindings/leds/leds-an30259a.txt index 6ffb861083c0..cbd833906b2b 100644 --- a/Documentation/devicetree/bindings/leds/leds-an30259a.txt +++ b/Documentation/devicetree/bindings/leds/leds-an30259a.txt @@ -15,10 +15,19 @@ Required sub-node properties: - reg: Pin that the LED is connected to. Must be 1, 2, or 3. Optional sub-node properties: - - label: see Documentation/devicetree/bindings/leds/common.txt - - linux,default-trigger: see Documentation/devicetree/bindings/leds/common.txt + - function : + see Documentation/devicetree/bindings/leds/common.txt + - color : + see Documentation/devicetree/bindings/leds/common.txt + - label : + see Documentation/devicetree/bindings/leds/common.txt (deprecated) + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt Example: + +#include <dt-bindings/leds/common.h> + led-controller@30 { compatible = "panasonic,an30259a"; reg = <0x30>; @@ -28,16 +37,19 @@ led-controller@30 { led@1 { reg = <1>; linux,default-trigger = "heartbeat"; - label = "red:indicator"; + function = LED_FUNCTION_INDICATOR; + color = <LED_COLOR_ID_RED>; }; led@2 { reg = <2>; - label = "green:indicator"; + function = LED_FUNCTION_INDICATOR; + color = <LED_COLOR_ID_GREEN>; }; led@3 { reg = <3>; - label = "blue:indicator"; + function = LED_FUNCTION_INDICATOR; + color = <LED_COLOR_ID_BLUE>; }; }; diff --git a/Documentation/devicetree/bindings/leds/leds-cr0014114.txt b/Documentation/devicetree/bindings/leds/leds-cr0014114.txt index 4255b19ad25c..f8de7516a39b 100644 --- a/Documentation/devicetree/bindings/leds/leds-cr0014114.txt +++ b/Documentation/devicetree/bindings/leds/leds-cr0014114.txt @@ -11,14 +11,20 @@ Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt apply. In particular, "reg" and "spi-max-frequency" properties must be given. LED sub-node properties: -- label : +- function : + see Documentation/devicetree/bindings/leds/common.txt +- color : see Documentation/devicetree/bindings/leds/common.txt +- label : + see Documentation/devicetree/bindings/leds/common.txt (deprecated) - linux,default-trigger : (optional) see Documentation/devicetree/bindings/leds/common.txt Example ------- +#include <dt-bindings/leds/common.h> + led-controller@0 { compatible = "crane,cr0014114"; reg = <0>; @@ -28,27 +34,33 @@ led-controller@0 { led@0 { reg = <0>; - label = "red:coin"; + function = "coin"; + color = <LED_COLOR_ID_RED>; }; led@1 { reg = <1>; - label = "green:coin"; + function = "coin"; + color = <LED_COLOR_ID_GREEN>; }; led@2 { reg = <2>; - label = "blue:coin"; + function = "coin"; + color = <LED_COLOR_ID_BLUE>; }; led@3 { reg = <3>; - label = "red:bill"; + function = "bill"; + color = <LED_COLOR_ID_RED>; }; led@4 { reg = <4>; - label = "green:bill"; + function = "bill"; + color = <LED_COLOR_ID_GREEN>; }; led@5 { reg = <5>; - label = "blue:bill"; + function = "bill"; + color = <LED_COLOR_ID_BLUE>; }; ... }; diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.txt b/Documentation/devicetree/bindings/leds/leds-gpio.txt index a48dda268f81..d21281b63d38 100644 --- a/Documentation/devicetree/bindings/leds/leds-gpio.txt +++ b/Documentation/devicetree/bindings/leds/leds-gpio.txt @@ -10,8 +10,12 @@ LED sub-node properties: - gpios : Should specify the LED's GPIO, see "gpios property" in Documentation/devicetree/bindings/gpio/gpio.txt. Active low LEDs should be indicated using flags in the GPIO specifier. -- label : (optional) +- function : (optional) + see Documentation/devicetree/bindings/leds/common.txt +- color : (optional) see Documentation/devicetree/bindings/leds/common.txt +- label : (optional) + see Documentation/devicetree/bindings/leds/common.txt (deprecated) - linux,default-trigger : (optional) see Documentation/devicetree/bindings/leds/common.txt - default-state: (optional) The initial state of the LED. @@ -27,30 +31,34 @@ LED sub-node properties: Examples: #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> leds { compatible = "gpio-leds"; - hdd { - label = "Disk Activity"; + led0 { gpios = <&mcu_pio 0 GPIO_ACTIVE_LOW>; linux,default-trigger = "disk-activity"; + function = LED_FUNCTION_DISK; }; - fault { + led1 { gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>; /* Keep LED on if BIOS detected hardware fault */ default-state = "keep"; + function = LED_FUNCTION_FAULT; }; }; run-control { compatible = "gpio-leds"; - red { + led0 { gpios = <&mpc8572 6 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_RED>; default-state = "off"; }; - green { + led1 { gpios = <&mpc8572 7 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; default-state = "on"; }; }; @@ -58,9 +66,10 @@ run-control { leds { compatible = "gpio-leds"; - charger-led { + led0 { gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; linux,default-trigger = "max8903-charger-charging"; retain-state-suspended; + function = LED_FUNCTION_CHARGE; }; }; diff --git a/Documentation/devicetree/bindings/leds/leds-lm3532.txt b/Documentation/devicetree/bindings/leds/leds-lm3532.txt index c087f85ddddc..53793213dd52 100644 --- a/Documentation/devicetree/bindings/leds/leds-lm3532.txt +++ b/Documentation/devicetree/bindings/leds/leds-lm3532.txt @@ -62,6 +62,9 @@ Optional LED child properties: - label : see Documentation/devicetree/bindings/leds/common.txt - linux,default-trigger : see Documentation/devicetree/bindings/leds/common.txt + - led-max-microamp : Defines the full scale current value for each control + bank. The range is from 5000uA-29800uA in increments + of 800uA. Example: led-controller@38 { @@ -85,6 +88,7 @@ led-controller@38 { reg = <0>; led-sources = <2>; ti,led-mode = <1>; + led-max-microamp = <21800>; label = ":backlight"; linux,default-trigger = "backlight"; }; diff --git a/Documentation/devicetree/bindings/leds/leds-lm3601x.txt b/Documentation/devicetree/bindings/leds/leds-lm3601x.txt index a88b2c41e75b..095dafb6ec7f 100644 --- a/Documentation/devicetree/bindings/leds/leds-lm3601x.txt +++ b/Documentation/devicetree/bindings/leds/leds-lm3601x.txt @@ -22,9 +22,14 @@ Required properties for flash LED child nodes: - led-max-microamp : Range from 2.4mA - 376mA Optional child properties: - - label : see Documentation/devicetree/bindings/leds/common.txt + - function : see Documentation/devicetree/bindings/leds/common.txt + - color : see Documentation/devicetree/bindings/leds/common.txt + - label : see Documentation/devicetree/bindings/leds/common.txt (deprecated) Example: + +#include <dt-bindings/leds/common.h> + led-controller@64 { compatible = "ti,lm36010"; #address-cells = <1>; @@ -33,7 +38,8 @@ led-controller@64 { led@0 { reg = <1>; - label = "white:torch"; + function = LED_FUNCTION_TORCH; + color = <LED_COLOR_ID_WHITE>; led-max-microamp = <376000>; flash-max-microamp = <1500000>; flash-max-timeout-us = <1600000>; diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt index 08b352840bd7..4c2d923f8758 100644 --- a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt +++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt @@ -26,12 +26,16 @@ Required child properties: 3 - Will enable the LED3 sync (LM36923 only) Optional child properties: - - label : see Documentation/devicetree/bindings/leds/common.txt + - function : see Documentation/devicetree/bindings/leds/common.txt + - color : see Documentation/devicetree/bindings/leds/common.txt + - label : see Documentation/devicetree/bindings/leds/common.txt (deprecated) - linux,default-trigger : see Documentation/devicetree/bindings/leds/common.txt Example: +#include <dt-bindings/leds/common.h> + led-controller@36 { compatible = "ti,lm3692x"; reg = <0x36>; @@ -43,7 +47,8 @@ led-controller@36 { led@0 { reg = <0>; - label = "white:backlight_cluster"; + function = LED_FUNCTION_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; linux,default-trigger = "backlight"; }; } diff --git a/Documentation/devicetree/bindings/leds/leds-lp8860.txt b/Documentation/devicetree/bindings/leds/leds-lp8860.txt index 5f0e892ad759..9863220db4ba 100644 --- a/Documentation/devicetree/bindings/leds/leds-lp8860.txt +++ b/Documentation/devicetree/bindings/leds/leds-lp8860.txt @@ -20,12 +20,16 @@ Required child properties: - reg : 0 Optional child properties: - - label : see Documentation/devicetree/bindings/leds/common.txt + - function : see Documentation/devicetree/bindings/leds/common.txt + - color : see Documentation/devicetree/bindings/leds/common.txt + - label : see Documentation/devicetree/bindings/leds/common.txt (deprecated) - linux,default-trigger : see Documentation/devicetree/bindings/leds/common.txt Example: +#include <dt-bindings/leds/common.h> + led-controller@2d { compatible = "ti,lp8860"; #address-cells = <1>; @@ -36,7 +40,8 @@ led-controller@2d { led@0 { reg = <0>; - label = "white:backlight"; + function = LED_FUNCTION_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; linux,default-trigger = "backlight"; }; } diff --git a/Documentation/devicetree/bindings/leds/leds-lt3593.txt b/Documentation/devicetree/bindings/leds/leds-lt3593.txt index 6b2cabc36c0c..24eccdaa6322 100644 --- a/Documentation/devicetree/bindings/leds/leds-lt3593.txt +++ b/Documentation/devicetree/bindings/leds/leds-lt3593.txt @@ -9,8 +9,10 @@ The hardware supports only one LED. The properties of this LED are configured in a sub-node in the device node. Optional sub-node properties: -- label: A label for the LED. If none is given, the LED will be - named "lt3595::". +- function: See Documentation/devicetree/bindings/leds/common.txt +- color: See Documentation/devicetree/bindings/leds/common.txt +- label: A label for the LED. If none is given, the LED will be + named "lt3595::" (deprecated) - linux,default-trigger: The default trigger for the LED. See Documentation/devicetree/bindings/leds/common.txt - default-state: The initial state of the LED. @@ -21,12 +23,15 @@ be handled by its own device node. Example: +#include <dt-bindings/leds/common.h> + led-controller { compatible = "lltc,lt3593"; lltc,ctrl-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; led { - label = "white:backlight"; + function = LED_FUNCTION_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; default-state = "on"; }; }; diff --git a/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt index dddf84f9c7ea..df2b4e1c492b 100644 --- a/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt +++ b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt @@ -14,7 +14,9 @@ Required child properties: - reg: Port this LED is connected to. Optional child properties: -- label: See Documentation/devicetree/bindings/leds/common.txt. +- function: See Documentation/devicetree/bindings/leds/common.txt. +- color: See Documentation/devicetree/bindings/leds/common.txt. +- label: See Documentation/devicetree/bindings/leds/common.txt (deprecated). Examples: @@ -25,17 +27,17 @@ led-controller@200 { reg = <0x200>; led@0 { - label = "red"; + color = <LED_COLOR_ID_RED>; reg = <0x0>; }; led@1 { - label = "green"; + color = <LED_COLOR_ID_GREEN>; reg = <0x1>; }; led@2 { - label = "blue"; + color = <LED_COLOR_ID_BLUE>; reg = <0x2>; }; }; |