The example was adapted slightly to make use of the 'function' and 'color' properties. Suggested-by: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> Signed-off-by: Alexander Dahl <post@xxxxxxxxxxx> --- .../devicetree/bindings/leds/leds-pwm.txt | 50 ----------- .../devicetree/bindings/leds/leds-pwm.yaml | 85 +++++++++++++++++++ 2 files changed, 85 insertions(+), 50 deletions(-) delete mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.txt create mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.txt b/Documentation/devicetree/bindings/leds/leds-pwm.txt deleted file mode 100644 index 6c6583c35f2f..000000000000 --- a/Documentation/devicetree/bindings/leds/leds-pwm.txt +++ /dev/null @@ -1,50 +0,0 @@ -LED connected to PWM - -Required properties: -- compatible : should be "pwm-leds". - -Each LED is represented as a sub-node of the pwm-leds device. Each -node's name represents the name of the corresponding LED. - -LED sub-node properties: -- pwms : PWM property to point to the PWM device (phandle)/port (id) and to - specify the period time to be used: <&phandle id period_ns>; -- pwm-names : (optional) Name to be used by the PWM subsystem for the PWM device - For the pwms and pwm-names property please refer to: - Documentation/devicetree/bindings/pwm/pwm.txt -- max-brightness : Maximum brightness possible for the LED -- active-low : (optional) For PWMs where the LED is wired to supply - rather than ground. -- label : (optional) - see Documentation/devicetree/bindings/leds/common.txt -- linux,default-trigger : (optional) - see Documentation/devicetree/bindings/leds/common.txt - -Example: - -twl_pwm: pwm { - /* provides two PWMs (id 0, 1 for PWM1 and PWM2) */ - compatible = "ti,twl6030-pwm"; - #pwm-cells = <2>; -}; - -twl_pwmled: pwmled { - /* provides one PWM (id 0 for Charing indicator LED) */ - compatible = "ti,twl6030-pwmled"; - #pwm-cells = <2>; -}; - -pwmleds { - compatible = "pwm-leds"; - kpad { - label = "omap4::keypad"; - pwms = <&twl_pwm 0 7812500>; - max-brightness = <127>; - }; - - charging { - label = "omap4:green:chrg"; - pwms = <&twl_pwmled 0 7812500>; - max-brightness = <255>; - }; -}; diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.yaml b/Documentation/devicetree/bindings/leds/leds-pwm.yaml new file mode 100644 index 000000000000..8c5217f2a9f7 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-pwm.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LEDs connected to PWM + +maintainers: + - Pavel Machek <pavel@xxxxxx> + +description: + Each LED is represented as a sub-node of the pwm-leds device. Each + node's name represents the name of the corresponding LED. + +properties: + compatible: + const: pwm-leds + +patternProperties: + "^pwm-led-([0-9a-f])$": + type: object + + $ref: common.yaml# + + properties: + pwms: + description: + "PWM property to point to the PWM device (phandle)/port (id) + and to specify the period time to be used: + <&phandle id period_ns>;" + + pwm-names: + description: + "Name to be used by the PWM subsystem for the PWM device For + the pwms and pwm-names property please refer to: + Documentation/devicetree/bindings/pwm/pwm.txt" + + max-brightness: + description: + Maximum brightness possible for the LED + + active-low: + description: + For PWMs where the LED is wired to supply rather than ground. + + required: + - pwms + - max-brightness + +examples: + - | + + #include <dt-bindings/leds/common.h> + + twl_pwm: pwm { + /* provides two PWMs (id 0, 1 for PWM1 and PWM2) */ + compatible = "ti,twl6030-pwm"; + #pwm-cells = <2>; + }; + + twl_pwmled: pwmled { + /* provides one PWM (id 0 for Charing indicator LED) */ + compatible = "ti,twl6030-pwmled"; + #pwm-cells = <2>; + }; + + pwm_leds { + compatible = "pwm-leds"; + + pwm-led-1 { + label = "omap4::keypad"; + pwms = <&twl_pwm 0 7812500>; + max-brightness = <127>; + }; + + pwm-led-2 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_CHARGING; + pwms = <&twl_pwmled 0 7812500>; + max-brightness = <255>; + }; + }; + +... -- 2.20.1