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Groups > linux.kernel > #1336151
| From | Mika Westerberg <mika.westerberg@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v1] GPIO/ACPI: DesignWare: Add GPIO-signaled ACPI events support for power button |
| Date | 2016-02-17 10:00 +0100 |
| Message-ID | <r367M-3Ts-17@gated-at.bofh.it> (permalink) |
| References | <r34Sm-39G-7@gated-at.bofh.it> |
| Organization | Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo |
On Wed, Feb 17, 2016 at 03:28:10PM +0800, qiujiang 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@huawei.com>
ACPI parts look fine by me.
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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[PATCH v1] GPIO/ACPI: DesignWare: Add GPIO-signaled ACPI events support for power button qiujiang <qiujiang@huawei.com> - 2016-02-17 08:40 +0100 Re: [PATCH v1] GPIO/ACPI: DesignWare: Add GPIO-signaled ACPI events support for power button Mika Westerberg <mika.westerberg@linux.intel.com> - 2016-02-17 10:00 +0100 Re: [PATCH v1] GPIO/ACPI: DesignWare: Add GPIO-signaled ACPI events support for power button Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-17 15:50 +0100 Re: [PATCH v1] GPIO/ACPI: DesignWare: Add GPIO-signaled ACPI events support for power button Linus Walleij <linus.walleij@linaro.org> - 2016-02-19 09:40 +0100
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