From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Smirnov Subject: [PATCH 2/2] dt-bindings: mfd: Add bindings for ZII RAVE devices Date: Mon, 10 Jul 2017 10:04:49 -0700 Message-ID: <20170710170449.4544-3-andrew.smirnov@gmail.com> References: <20170710170449.4544-1-andrew.smirnov@gmail.com> Return-path: In-Reply-To: <20170710170449.4544-1-andrew.smirnov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Andrey Smirnov , cphealy@gmail.com, Lucas Stach , Nikita Yushchenko , Rob Herring , Mark Rutland , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Cc: cphealy@gmail.com Cc: Lucas Stach Cc: Nikita Yushchenko Cc: Rob Herring Cc: Mark Rutland Cc: devicetree@vger.kernel.org Signed-off-by: Andrey Smirnov --- .../devicetree/bindings/mfd/zii,rave-sp.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/zii,rave-sp.txt diff --git a/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt b/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt new file mode 100644 index 0000000..53192f9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/zii,rave-sp.txt @@ -0,0 +1,40 @@ +Zodiac Inflight Innovations RAVE Supervisory Processor + +RAVE Supervisory Processor communicates with SoC over UART and is +presented to the kernel as a "serdev". It is expected that its +device-tree node is specified as a child of a node corresponding to +UART controller used for communication. + +Required parent device properties: + + - compatible: Should be one of: + - "zii,rave-sp-niu" + - "zii,rave-sp-mezz" + - "zii,rave-sp-esb" + - "zii,rave-sp-rdu1" + - "zii,rave-sp-rdu2" + + - current-speed: Should be set to baud rate SP device is using + +RAVE SP consists of the following sub-devices: + +Device Description +------ ----------- +rave-sp-wdt : Watchdog +rave-sp-nvmem : Interface to onborad EEPROM +rave-sp-backlight : Display backlight +rave-sp-hwmon : Interface to onboard hardware sensors +rave-sp-leds : Interface to onboard LEDs +rave-sp-input : Interface to onboard power button + +Example of usage: + + rdu { + compatible = "zii,rave-sp-rdu2"; + current-speed = <1000000>; + + watchdog { + compatible = "zii,rave-sp-watchdog"; + }; + }; + -- 2.9.4