On Fri, Feb 28, 2025 at 11:31:23AM +0100, Matthias Fend wrote: > Document Texas Instruments TPS61310/TPS61311 flash LED driver devicetree > bindings. > > Signed-off-by: Matthias Fend <matthias.fend@xxxxxxxxx> > --- > .../devicetree/bindings/leds/ti,tps6131x.yaml | 123 +++++++++++++++++++++ > 1 file changed, 123 insertions(+) > > diff --git a/Documentation/devicetree/bindings/leds/ti,tps6131x.yaml b/Documentation/devicetree/bindings/leds/ti,tps6131x.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..c08b3cef7abcec07237d3271456ff1f888b2b809 > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/ti,tps6131x.yaml With a filename matching one of the compatibles in the file, Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Cheers, Conor. > @@ -0,0 +1,123 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/leds/ti,tps6131x.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Texas Instruments TPS6131X flash LED driver > + > +maintainers: > + - Matthias Fend <matthias.fend@xxxxxxxxx> > + > +description: | > + The TPS61310/TPS61311 is a flash LED driver with I2C interface. > + Its power stage is capable of supplying a maximum total current of roughly 1500mA. > + The TPS6131x provides three constant-current sinks, capable of sinking > + up to 2 × 400mA (LED1 and LED3) and 800mA (LED2) in flash mode. > + In torch mode, each sink (LED1, LED2, LED3) supports currents up to 175mA. > + > + The data sheet can be found at: > + https://www.ti.com/lit/ds/symlink/tps61310.pdf > + > +properties: > + compatible: > + enum: > + - ti,tps61310 > + - ti,tps61311 > + > + reg: > + maxItems: 1 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + reset-gpios: > + maxItems: 1 > + description: GPIO connected to NRESET pin > + > + ti,valley-current-limit: > + type: boolean > + description: > + Reduce the valley peak current limit from 1750mA to 1250mA (TPS61310) or > + from 2480mA to 1800mA (TPS61311). > + > + led: > + type: object > + $ref: common.yaml# > + unevaluatedProperties: false > + > + properties: > + led-sources: > + allOf: > + - minItems: 1 > + maxItems: 3 > + items: > + enum: [1, 2, 3] > + > + led-max-microamp: > + anyOf: > + - minimum: 25000 > + maximum: 350000 > + multipleOf: 50000 > + - minimum: 25000 > + maximum: 525000 > + multipleOf: 25000 > + > + flash-max-microamp: > + anyOf: > + - minimum: 25000 > + maximum: 800000 > + multipleOf: 50000 > + - minimum: 25000 > + maximum: 1500000 > + multipleOf: 25000 > + > + flash-max-timeout-us: > + enum: [ 5300, 10700, 16000, 21300, 26600, 32000, 37300, 68200, 71500, > + 102200, 136300, 170400, 204500, 340800, 579300, 852000 ] > + > + required: > + - led-sources > + - led-max-microamp > + - flash-max-microamp > + - flash-max-timeout-us > + > +required: > + - compatible > + - reg > + - '#address-cells' > + - '#size-cells' > + - led > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/leds/common.h> > + #include <dt-bindings/gpio/gpio.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + led-controller@33 { > + compatible = "ti,tps61310"; > + reg = <0x33>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + reset-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>; > + > + tps61310_flash: led { > + function = LED_FUNCTION_FLASH; > + color = <LED_COLOR_ID_WHITE>; > + led-sources = <1>, <2>, <3>; > + led-max-microamp = <525000>; > + flash-max-microamp = <1500000>; > + flash-max-timeout-us = <852000>; > + }; > + }; > + }; > > -- > 2.34.1 >
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