On Tue, Feb 16, 2016 at 01:14:39AM -0800, Amitkumar Karwar wrote:
> From: Xinming Hu <huxm@xxxxxxxxxxx>
>
> This patch implement a framework for board specific wakeup.
> driver parse irq/gpio number from device tree, corresponding
> resources will be allocated, and used for host suspend/resume.
> driver private binding file is also updated in the patch.
>
> Signed-off-by: Xinming Hu <huxm@xxxxxxxxxxx>
> Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
> ---
> v4: Replaced #ifdef with __maybe_unused(Arnd Bergmann)
> ---
> .../bindings/net/wireless/marvell-sd8xxx.txt | 10 +++
> .../net/wireless/marvell/mwifiex/platform_drv.c | 91 ++++++++++++++++++++++
> 2 files changed, 101 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt b/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> index c337fab..50138fd 100644
> --- a/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> +++ b/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> @@ -14,6 +14,11 @@ Optional properties:
> - marvell,wakeup-gpios : Chip's wakeup gpio pin number. This needs to be downloaded
> to to firmware. Chip notifies wifi wakeup signal to SOC
> through this pin.
> + - interrupt-parent: phandle of the parent interrupt controller
> + - interrupts : interrupt number to the cpu
> + - gpios: specify SOC's wakeup GPIO
If you define the GPIO line as an interrupt, you shouldn't need it to be
as GPIO too. Same on the BT side.
> + - pinctrl-names : a pinctrl state named "default" must be defined
> + - pinctrl-0 : pin control group to be used for this controller
>
> Example:
>
> @@ -27,5 +32,10 @@ wlan {
> marvell,caldata_00_txpwrlimit_2g_cfg_set = /bits/ 8 <
> 0x01 0x00 0x06 0x00 0x08 0x02 0x89 0x01 ...>;
> marvell,wakeup-gpios = <3>;
> + interrupt-parent = <&pio>;
> + interrupts = <38 IRQ_TYPE_LEVEL_LOW>;
> + gpios = <&pio 38 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&wake_pins>;
> };
>
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