From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Add DT binding document for Richtek RT4505 flash LED controller. Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- Changes since v3 - Port this patch to led for-next tree. - Merge Acks in the commit context. - Reorder the patch series from the docs first. Changes since v2 - Create flash directory into drvers/leds. - Coding style fix to meet 80 charactors per line limit. - Refine the description in the Kconfig help text. - Change all descriptions for 'led' text to uppercase 'LED'. --- .../devicetree/bindings/leds/leds-rt4505.yaml | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-rt4505.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-rt4505.yaml b/Documentation/devicetree/bindings/leds/leds-rt4505.yaml new file mode 100644 index 00000000..5b0c74a --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-rt4505.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-rt4505.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT4505 Single Channel LED Driver + +maintainers: + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> + +description: | + The RT4505 is a flash LED driver that can support up to 375mA and 1.5A for + torch and flash mode, respectively. + + The data sheet can be found at: + https://www.richtek.com/assets/product_file/RT4505/DS4505-02.pdf + +properties: + compatible: + const: richtek,rt4505 + + reg: + description: I2C slave address of the controller. + maxItems: 1 + + led: + type: object + $ref: common.yaml# + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@63 { + compatible = "richtek,rt4505"; + reg = <0x63>; + + rt4505_flash: led { + function = LED_FUNCTION_FLASH; + color = <LED_COLOR_ID_WHITE>; + led-max-microamp = <375000>; + flash-max-microamp = <1500000>; + flash-max-timeout-us = <800000>; + }; + }; + }; -- 2.7.4
