From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sandeep@freescale.com (Sandeep Singh) Date: Thu, 7 Mar 2013 16:57:46 +0530 Subject: [PATCH 2/4] Device Tree bindings for Freescale TDM controller In-Reply-To: <1362655668-26721-1-git-send-email-Sandeep@freescale.com> References: <1362655668-26721-1-git-send-email-Sandeep@freescale.com> Message-ID: <1362655668-26721-2-git-send-email-Sandeep@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This controller is available on many Freescale SOCs like MPC8315, P1020, P1010, P1022 and P1024 Signed-off-by: Sandeep Singh Signed-off-by: Poonam Aggrwal --- Documentation/devicetree/bindings/tdm/fsl-tdm.txt | 65 +++++++++++++++++++++ 1 files changed, 65 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/tdm/fsl-tdm.txt 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: + 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: + 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: + Definition: Phandle of the line controller node or framer node eg. SLIC, + E1/T1 etc. + + - fsl,max-time-slots + Usage: required + Value type: + Definition: Maximum number of 8-bit time slots in one TDM frame. + This is the maximum number which TDM hardware supports. + +EXAMPLE + + tdm at 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>; + }; -- 1.7.6.GIT