From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from de01egw01.freescale.net (de01egw01.freescale.net [192.88.165.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "de01egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id C827DDDF18 for ; Fri, 12 Oct 2007 23:18:41 +1000 (EST) Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by de01egw01.freescale.net (8.12.11/de01egw01) with ESMTP id l9CDIaC3009216 for ; Fri, 12 Oct 2007 06:18:36 -0700 (MST) Received: from zch01exm26.fsl.freescale.net (zch01exm26.ap.freescale.net [10.192.129.221]) by de01smr02.am.mot.com (8.13.1/8.13.0) with ESMTP id l9CDIKNH006039 for ; Fri, 12 Oct 2007 08:18:35 -0500 (CDT) From: Li Yang To: galak@kernel.crashing.org, paulus@samba.org, linuxppc-dev@ozlabs.org Subject: [PATCH v3 6/9] add documentation for SerDes nodes Date: Fri, 12 Oct 2007 21:28:45 +0800 Message-Id: <1192195728-24189-7-git-send-email-leoli@freescale.com> In-Reply-To: <1192195728-24189-6-git-send-email-leoli@freescale.com> References: <1192195728-24189-1-git-send-email-leoli@freescale.com> <1192195728-24189-2-git-send-email-leoli@freescale.com> <1192195728-24189-3-git-send-email-leoli@freescale.com> <1192195728-24189-4-git-send-email-leoli@freescale.com> <1192195728-24189-5-git-send-email-leoli@freescale.com> <1192195728-24189-6-git-send-email-leoli@freescale.com> Cc: Li Yang List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Li Yang --- Documentation/powerpc/booting-without-of.txt | 29 ++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 8d49942..8a9372e 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -2274,6 +2274,35 @@ platforms are moved over to use the flattened-device-tree model. phy-handle = < &serdes1 >; }; + p) SerDes nodes + + SerDes is a serializer/deserializer used by some Freescale SoC. + + Required properties: + + - compatible : Should specify what this SerDes controller is compatible + with. Currently, this is most likely to be "fsl,serdes". + - reg : Offset and length of the register set for the device. + - protocol : Which up layer protocol is running on the serial + interface. Could be "sata", "pcie", "sgmii". + - clock : Input clock frequency for SerDes in unit of MHz. + + Optional properties: + + - vdd-1v : Define this property when Vdd is 1V. + - pcie-x2 : Define this property when using PCI Express x2 interface. + Valid only when protocol is set to "pcie". + + Example: + + serdes1:serdes@e3000 { + compatible = "fsl,serdes"; + reg = ; + vdd-1v; + protocol = "sata"; + clock = ; + }; + More devices will be defined as this spec matures. VII - Specifying interrupt information for devices -- 1.5.3.2.104.g41ef