From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 7141D1A096D for ; Thu, 2 Apr 2015 22:03:13 +1100 (AEDT) Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1on0116.outbound.protection.outlook.com [157.56.110.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 818E3140083 for ; Thu, 2 Apr 2015 22:03:12 +1100 (AEDT) Received: from localhost.localdomain (nmglablinux22.zin33.ap.freescale.net [10.232.20.244]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id t32Alvax002443 for ; Thu, 2 Apr 2015 03:47:59 -0700 From: To: Subject: [1/3][PATCH][v2] Device Tree bindings for Freescale TDM controller Date: Thu, 2 Apr 2015 16:17:57 +0530 Message-ID: <1427971677-32395-1-git-send-email-sandeep@freescale.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Sandeep Singh 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@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