From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/gpio/gpio-lp3943.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-lp3943.txt (limited to 'Documentation/devicetree/bindings/gpio/gpio-lp3943.txt') diff --git a/Documentation/devicetree/bindings/gpio/gpio-lp3943.txt b/Documentation/devicetree/bindings/gpio/gpio-lp3943.txt new file mode 100644 index 000000000..80fcb7d70 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-lp3943.txt @@ -0,0 +1,37 @@ +TI/National Semiconductor LP3943 GPIO controller + +Required properties: + - compatible: "ti,lp3943-gpio" + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. See gpio.txt in this directory for a + description of the cells format. + +Example: +Simple LED controls with LP3943 GPIO controller + +&i2c4 { + lp3943@60 { + compatible = "ti,lp3943"; + reg = <0x60>; + + gpioex: gpio { + compatible = "ti,lp3943-gpio"; + gpio-controller; + #gpio-cells = <2>; + }; + }; +}; + +leds { + compatible = "gpio-leds"; + indicator1 { + label = "indi1"; + gpios = <&gpioex 9 GPIO_ACTIVE_LOW>; + }; + + indicator2 { + label = "indi2"; + gpios = <&gpioex 10 GPIO_ACTIVE_LOW>; + default-state = "off"; + }; +}; -- cgit v1.2.3