Yes, exactly 6 interrupts. As I describe before:
- There are 22 GPIO_DSs.
- Only 6 GPIO_DSs from 0x08..0xD which supports interrupts
Regards,
Y
On Tue, Jan 13, 2015 at 4:25 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Wed, Dec 17, 2014 at 6:10 AM, Y Vo <yvo@xxxxxxx> wrote:
>> Documentation for APM X-Gene standby GPIO controller DTS binding.
>>
>> Signed-off-by: Y Vo <yvo@xxxxxxx>
>> ---
>> .../devicetree/bindings/gpio/gpio-xgene-sb.txt | 31 ++++++++++++++++++++++
>> 1 file changed, 31 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt
>>
>> diff --git a/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt b/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt
>> new file mode 100644
>> index 0000000..3215e4d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt
>> @@ -0,0 +1,31 @@
>> +APM X-Gene Standby GPIO controller bindings
>> +
>> +This is a gpio controller in standby domain.
>> +
>> +There are 20 GPIO pins from 0..21. There is no GPIO_DS14 and GPIO_DS15.
>> +Only GPIO_DS8..GPIO_DS13 support interrupt. IRQ mapping 0x28..0x2d.
>> +
>> +Required properties:
>> +- compatible: "apm,xgene-gpio-sb" for X-Gene Standby GPIO controller
>> +- reg: Physical base address and size of the controller's registers
>> +- #gpio-cells: Should be two.
>> + - first cell is the pin number
>> + - second cell is used to specify the gpio polarity:
>> + 0 = active high
>> + 1 = active low
>> +- gpio-controller: Marks the device node as a GPIO controller.
>> +- interrupts: Shall contains the interrupts.
>
> From the example it seems it must contain exactly 6 interrupts?
> Then state this.
>
>> +Example:
>> + sbgpio: sbgpio@17001000 {
>> + compatible = "apm,xgene-gpio-sb";
>> + reg = <0x0 0x17001000 0x0 0x400>;
>> + #gpio-cells = <2>;
>> + gpio-controller;
>> + interrupts = <0x0 0x28 0x1>,
>> + <0x0 0x29 0x1>,
>> + <0x0 0x2a 0x1>,
>> + <0x0 0x2b 0x1>,
>> + <0x0 0x2c 0x1>,
>> + <0x0 0x2d 0x1>;
>> + };
>
> Yours,
> Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
