On Wed, Feb 17, 2016 at 8:28 AM, qiujiang <qiujiang@xxxxxxxxxx> wrote:
> This patch modifies the DesignWare GPIO controller driver to
> support the GPIO-signaled ACPI Events. This is used for power
> button function on ARM server.
>
> To make it work, the _AEI and _EVT object must be defined in
> the corresponding GPIO driver's dsdt table in UEFI as follow:
>
> Device(GPI0) {
> Name(_HID, "HISI0181")
> Name(_ADR, 0) // _ADR: Address
> Name(_UID, 0)
>
> Name (_CRS, ResourceTemplate () {
> Memory32Fixed (ReadWrite, 0x802e0000, 0x10000)
> Interrupt (ResourceConsumer, Level, ActiveHigh,
> Exclusive,,,) {344}
> })
>
> Device(PRTa) {
> Name (_DSD, Package () {
> Package () {
> Package () {"reg",0},
> Package () {"snps,nr-gpios",32},
> }
> })
> }
>
> Name (_AEI, ResourceTemplate () {
> GpioInt(Edge, ActiveLow, ExclusiveAndWake, PullUp, ,
> " \\_SB.GPI0") {8}
> })
>
> Method (_E08, 0x0, NotSerialized) {
> Notify (\_SB.PWRB, 0x80)
> }
> }
>
> Signed-off-by: qiujiang <qiujiang@xxxxxxxxxx>
This patch doesn't apply to my tree. Please do the following:
- Rebase on the "devel" branch in the linux-gpio tree:
https://git.kernel.org/cgit/linux/kernel/git/linusw/linux-gpio.git/log/?h=devel
- Split in two parts as suggested by Andy S.
- Add Mika's ACKs.
Yours,
Linus Walleij
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