On Thu, Jan 12, 2017 at 09:29:36PM -0800, Matt Ranostay wrote:
Changelog?
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
> ---
> .../devicetree/bindings/mmc/mmc-pwrseq-sd8787.txt | 14 ++++++++++++++
> .../devicetree/bindings/net/wireless/marvell-8xxx.txt | 7 ++++++-
> 2 files changed, 20 insertions(+), 1 deletion(-)
> create mode 100644 Documentation/devicetree/bindings/mmc/mmc-pwrseq-sd8787.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-sd8787.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-sd8787.txt
> new file mode 100644
> index 000000000000..1b658351629b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-sd8787.txt
> @@ -0,0 +1,14 @@
> +* Marvell SD8787 power sequence provider
> +
> +Required properties:
> +- compatible: must be "mmc-pwrseq-sd8787".
> +- pwndn-gpio: contains a power down GPIO specifier.
powerdown-gpios
> +- reset-gpio: contains a reset GPIO specifier.
reset-gpios
And state the active state for both.
> +
> +Example:
> +
> + wifi_pwrseq: wifi_pwrseq {
> + compatible = "mmc-pwrseq-sd8787";
> + pwrdn-gpio = <&twl_gpio 0 GPIO_ACTIVE_LOW>;
> + reset-gpio = <&twl_gpio 1 GPIO_ACTIVE_LOW>;
> + }
> diff --git a/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt b/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
> index 980b16df74c3..0854451ff91d 100644
> --- a/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
> +++ b/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
> @@ -1,4 +1,4 @@
> -Marvell 8897/8997 (sd8897/sd8997/pcie8997) SDIO/PCIE devices
> +Marvell 8787/8897/8997 (sd8787/sd8897/sd8997/pcie8997) SDIO/PCIE devices
> ------
>
> This node provides properties for controlling the Marvell SDIO/PCIE wireless device.
> @@ -8,6 +8,7 @@ connects the device to the system.
> Required properties:
>
> - compatible : should be one of the following:
> + * "marvell,sd8787"
> * "marvell,sd8897"
> * "marvell,sd8997"
> * "pci11ab,2b42"
> @@ -34,6 +35,9 @@ Optional properties:
> so that the wifi chip can wakeup host platform under certain condition.
> during system resume, the irq will be disabled to make sure
> unnecessary interrupt is not received.
> + - vmmc-supply: a phandle of a regulator, supplying VCC to the card
> + - mmc-pwrseq: phandle to the MMC power sequence node. See "mmc-pwrseq-*"
> + for documentation of MMC power sequence bindings.
>
> Example:
>
> @@ -46,6 +50,7 @@ so that firmware can wakeup host using this device side pin.
> &mmc3 {
> status = "okay";
> vmmc-supply = <&wlan_en_reg>;
> + mmc-pwrseq = <&wifi_pwrseq>;
> bus-width = <4>;
> cap-power-off-card;
> keep-power-in-suspend;
> --
> 2.10.2
>
> --
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