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Diffstat (limited to 'Documentation/devicetree/bindings/slimbus/bus.txt')
-rw-r--r-- | Documentation/devicetree/bindings/slimbus/bus.txt | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/Documentation/devicetree/bindings/slimbus/bus.txt b/Documentation/devicetree/bindings/slimbus/bus.txt deleted file mode 100644 index bbe871f82a8b..000000000000 --- a/Documentation/devicetree/bindings/slimbus/bus.txt +++ /dev/null @@ -1,60 +0,0 @@ -SLIM(Serial Low Power Interchip Media Bus) bus - -SLIMbus is a 2-wire bus, and is used to communicate with peripheral -components like audio-codec. - -Required property for SLIMbus controller node: -- compatible - name of SLIMbus controller - -Child nodes: -Every SLIMbus controller node can contain zero or more child nodes -representing slave devices on the bus. Every SLIMbus slave device is -uniquely determined by the enumeration address containing 4 fields: -Manufacturer ID, Product code, Device index, and Instance value for -the device. -If child node is not present and it is instantiated after device -discovery (slave device reporting itself present). - -In some cases it may be necessary to describe non-probeable device -details such as non-standard ways of powering up a device. In -such cases, child nodes for those devices will be present as -slaves of the SLIMbus controller, as detailed below. - -Required property for SLIMbus child node if it is present: -- reg - Should be ('Device index', 'Instance ID') from SLIMbus - Enumeration Address. - Device Index Uniquely identifies multiple Devices within - a single Component. - Instance ID Is for the cases where multiple Devices of the - same type or Class are attached to the bus. - -- compatible -"slimMID,PID". The textual representation of Manufacturer ID, - Product Code, shall be in lower case hexadecimal with leading - zeroes suppressed - -Optional property for SLIMbus child node if it is present: -- slim-ifc-dev - Should be phandle to SLIMBus Interface device. - Required for devices which deal with streams. - -SLIMbus example for Qualcomm's slimbus manager component: - - slim@28080000 { - compatible = "qcom,apq8064-slim", "qcom,slim"; - reg = <0x28080000 0x2000>, - interrupts = <0 33 0>; - clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>; - clock-names = "iface", "core"; - #address-cells = <2>; - #size-cell = <0>; - - codec_ifd: ifd@0,0{ - compatible = "slim217,60"; - reg = <0 0>; - }; - - codec: wcd9310@1,0{ - compatible = "slim217,60"; - reg = <1 0>; - slim-ifc-dev = <&codec_ifd>; - }; - }; |