From: Matt Ranostay <matt@ranostay.consulting>
To: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: ulf.hansson@linaro.org, Matt Ranostay <matt@ranostay.consulting>,
devicetree@vger.kernel.org
Subject: [PATCH v3 1/2] devicetree: document new marvell-8xxx and pwrseq-sd8787 options
Date: Fri, 20 Jan 2017 21:50:38 -0800 [thread overview]
Message-ID: <20170121055039.10924-2-matt@ranostay.consulting> (raw)
In-Reply-To: <20170121055039.10924-1-matt@ranostay.consulting>
Cc: devicetree@vger.kernel.org
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..4bb56766982e
--- /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".
+- powerdown-gpio: contains a power down GPIO specifier with active state
+- reset-gpio: contains a reset GPIO specifier with active state
+
+Example:
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-sd8787";
+ powerdown-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
next parent reply other threads:[~2017-01-21 5:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170121055039.10924-1-matt@ranostay.consulting>
2017-01-21 5:50 ` Matt Ranostay [this message]
2017-01-23 17:04 ` [PATCH v3 1/2] devicetree: document new marvell-8xxx and pwrseq-sd8787 options Rob Herring
2017-01-23 21:00 ` Matt Ranostay
2017-01-13 5:29 [PATCH v3 0/2] mmc: pwrseq: add support for Marvell SD8787 chip Matt Ranostay
[not found] ` <20170113052937.12538-1-matt-sk+viVC6FLCDq+mSdOJa79kegs52MxvZ@public.gmane.org>
2017-01-13 5:29 ` [PATCH v3 1/2] devicetree: document new marvell-8xxx and pwrseq-sd8787 options Matt Ranostay
2017-01-18 22:02 ` Rob Herring
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