[PATCH v3 1/2] devicetree: document new marvell-8xxx and pwrseq-sd8787 options

Matt Ranostay
2017-01-13T05:29:36Z

Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Signed-off-by: Matt Ranostay <matt-sk+viVC6FLCDq+mSdOJa79kegs52MxvZ@public.gmane.org>
---
.../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.
+- reset-gpio: contains a reset GPIO specifier.
+
+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