diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt b/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt deleted file mode 100644 index 49819367a011..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt +++ /dev/null @@ -1,43 +0,0 @@ -NXP LPC32xx SoC GPIO controller - -Required properties: -- compatible: must be "nxp,lpc3220-gpio" -- reg: Physical base address and length of the controller's registers. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Should be 3: - 1) bank: - 0: GPIO P0 - 1: GPIO P1 - 2: GPIO P2 - 3: GPIO P3 - 4: GPI P3 - 5: GPO P3 - 2) pin number - 3) optional parameters: - - bit 0 specifies polarity (0 for normal, 1 for inverted) -- reg: Index of the GPIO group - -Example: - - gpio: gpio@40028000 { - compatible = "nxp,lpc3220-gpio"; - reg = <0x40028000 0x1000>; - gpio-controller; - #gpio-cells = <3>; /* bank, pin, flags */ - }; - - leds { - compatible = "gpio-leds"; - - led0 { - gpios = <&gpio 5 1 1>; /* GPO_P3 1, active low */ - linux,default-trigger = "heartbeat"; - default-state = "off"; - }; - - led1 { - gpios = <&gpio 5 14 1>; /* GPO_P3 14, active low */ - linux,default-trigger = "timer"; - default-state = "off"; - }; - }; |