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29 lines
953 B
29 lines
953 B
twl4030 GPIO controller bindings |
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Required properties: |
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- compatible: |
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- "ti,twl4030-gpio" for twl4030 GPIO controller |
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- #gpio-cells : Should be two. |
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- first cell is the pin number |
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- second cell is used to specify optional parameters (unused) |
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- gpio-controller : Marks the device node as a GPIO controller. |
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- #interrupt-cells : Should be 2. |
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- interrupt-controller: Mark the device node as an interrupt controller |
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The first cell is the GPIO number. |
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The second cell is not used. |
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- ti,use-leds : Enables LEDA and LEDB outputs if set |
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- ti,debounce : if n-th bit is set, debounces GPIO-n |
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- ti,mmc-cd : if n-th bit is set, GPIO-n controls VMMC(n+1) |
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- ti,pullups : if n-th bit is set, set a pullup on GPIO-n |
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- ti,pulldowns : if n-th bit is set, set a pulldown on GPIO-n |
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Example: |
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twl_gpio: gpio { |
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compatible = "ti,twl4030-gpio"; |
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#gpio-cells = <2>; |
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gpio-controller; |
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#interrupt-cells = <2>; |
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interrupt-controller; |
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ti,use-leds; |
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};
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