From 3905c11c1c71a9b841e1e7e601eea0d3d55026bf Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Fri, 11 May 2018 12:06:57 +0100 Subject: [PATCH] dt-bindings: nvmem: Add binding for RAVE SP EEPROM driver Add Device Tree bindings for RAVE SP EEPROM driver - an MFD cell of parent RAVE SP driver (documented in Documentation/devicetree/bindings/mfd/zii,rave-sp.txt). Cc: Srinivas Kandagatla Cc: linux-kernel@vger.kernel.org Cc: Chris Healy Cc: Lucas Stach Cc: Aleksander Morgado Cc: Rob Herring Cc: Mark Rutland Cc: devicetree@vger.kernel.org Signed-off-by: Andrey Smirnov Reviewed-by: Rob Herring Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman --- .../bindings/nvmem/zii,rave-sp-eeprom.txt | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/zii,rave-sp-eeprom.txt diff --git a/Documentation/devicetree/bindings/nvmem/zii,rave-sp-eeprom.txt b/Documentation/devicetree/bindings/nvmem/zii,rave-sp-eeprom.txt new file mode 100644 index 000000000000..d5e22fc67d66 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/zii,rave-sp-eeprom.txt @@ -0,0 +1,40 @@ +Zodiac Inflight Innovations RAVE EEPROM Bindings + +RAVE SP EEPROM device is a "MFD cell" device exposing physical EEPROM +attached to RAVE Supervisory Processor. It is expected that its Device +Tree node is specified as a child of the node corresponding to the +parent RAVE SP device (as documented in +Documentation/devicetree/bindings/mfd/zii,rave-sp.txt) + +Required properties: + +- compatible: Should be "zii,rave-sp-eeprom" + +Optional properties: + +- zii,eeprom-name: Unique EEPROM identifier describing its function in the + system. Will be used as created NVMEM deivce's name. + +Data cells: + +Data cells are child nodes of eerpom node, bindings for which are +documented in Documentation/bindings/nvmem/nvmem.txt + +Example: + + rave-sp { + compatible = "zii,rave-sp-rdu1"; + current-speed = <38400>; + + eeprom@a4 { + compatible = "zii,rave-sp-eeprom"; + reg = <0xa4 0x4000>; + #address-cells = <1>; + #size-cells = <1>; + zii,eeprom-name = "main-eeprom"; + + wdt_timeout: wdt-timeout@81 { + reg = <0x81 2>; + }; + }; + } -- 2.17.1