mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 12:14:01 +08:00
612e1d5f1c
Any non-standard property should contain the vendor's identifier which should be perpended onto the property name followed by a comma. This aids in name-space collision prevention. This patch ensures the sleepmode property adheres to the rules. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
32 lines
1.5 KiB
Plaintext
32 lines
1.5 KiB
Plaintext
Nomadik GPIO controller
|
|
|
|
Required properties:
|
|
- compatible : Should be "st,nomadik-gpio".
|
|
- reg : Physical base address and length of the controller's registers.
|
|
- interrupts : The interrupt outputs from the controller.
|
|
- #gpio-cells : Should be two:
|
|
The first cell is the pin number.
|
|
The second cell is used to specify optional parameters:
|
|
- bits[3:0] trigger type and level flags:
|
|
1 = low-to-high edge triggered.
|
|
2 = high-to-low edge triggered.
|
|
4 = active high level-sensitive.
|
|
8 = active low level-sensitive.
|
|
- gpio-controller : Marks the device node as a GPIO controller.
|
|
- interrupt-controller : Marks the device node as an interrupt controller.
|
|
- gpio-bank : Specifies which bank a controller owns.
|
|
- st,supports-sleepmode : Specifies whether controller can sleep or not
|
|
|
|
Example:
|
|
|
|
gpio1: gpio@8012e080 {
|
|
compatible = "st,nomadik-gpio";
|
|
reg = <0x8012e080 0x80>;
|
|
interrupts = <0 120 0x4>;
|
|
#gpio-cells = <2>;
|
|
gpio-controller;
|
|
interrupt-controller;
|
|
st,supports-sleepmode;
|
|
gpio-bank = <1>;
|
|
};
|