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author | Sandeep Singh <Sandeep@freescale.com> | 2012-04-20 19:06:18 (GMT) |
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committer | Emil Medve <Emilian.Medve@Freescale.com> | 2013-03-21 18:42:14 (GMT) |
commit | 1e1fa9e3b890a4fa1a7b6cecd8d6fe262557d00a (patch) | |
tree | 322969502e0a574dab47601e084f717bd7225122 /Documentation | |
parent | 20e7fee7e7abf2f8aace36c1735c705a1239d2a5 (diff) | |
download | linux-fsl-qoriq-1e1fa9e3b890a4fa1a7b6cecd8d6fe262557d00a.tar.xz |
Device Tree bindings for Freescale TDM controller
This controller is available on many Freescale SOCs like MPC8315, P1020, P1010,
P1022 and P1024
Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
(cherry picked from commit 8e7eedab685b479859c42b3ed16c1b816896e44a)
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/tdm/fsl-tdm.txt | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/tdm/fsl-tdm.txt b/Documentation/devicetree/bindings/tdm/fsl-tdm.txt new file mode 100644 index 0000000..1258b89 --- /dev/null +++ b/Documentation/devicetree/bindings/tdm/fsl-tdm.txt @@ -0,0 +1,65 @@ +===================================================================== +TDM Device Tree Binding +Copyright (C) 2012 Freescale Semiconductor Inc. + +NOTE: The bindings described in this document are preliminary +and subject to change. + +===================================================================== +TDM (Time Division Multiplexing) + +DESCRIPTION + +The TDM is full duplex serial port designed to allow various devices including +digital signal processors (DSPs) to communicate with a variety of serial devices +including industry standard framers, codecs, other DSPs and microprocessors. + +The below properties describe the device tree bindings for Freescale TDM +controller. +This TDM controller is available on various Freescale Processors like +MPC8313, P1020, P1022 and P1010. + +PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: Should contain "fsl,tdm1.0". + + - reg + Usage: required + Definition: A standard property. The first reg specifier describes the + TDM registers, and the second describes the TDM DMAC registers. + + - clock-frequency + Usage: optional + Value type: <u32 or u64> + Definition: The frequency at which the TDM block is operating. + + - interrupts + Usage: required + Definition: Definition: Two interrupt specifiers. The first is TDM + error, and the second is TDM EMAC. + + - phy-handle + Usage: optional + Value type: <phandle> + Definition: Phandle of the line controller node or framer node eg. SLIC, + E1/T1 etc. + + - fsl,max-time-slots + Usage: required + Value type: <u32> + Definition: Maximum number of 8-bit time slots in one TDM frame. + This is the maximum number which TDM hardware supports. + +EXAMPLE + + tdm@16000 { + compatible = "fsl,tdm1.0"; + reg = <0x16000 0x200 0x2c000 0x2000>; + clock-frequency = <0>; + interrupts = <16 8 62 8>; + phy-handle = <&zarlink1>; + fsl,max-time-slots = <128>; + }; |