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 42AEFDDEFC for ; Tue, 19 Jun 2007 17:19:57 +1000 (EST) Received: from de01smr01.freescale.net (de01smr01.freescale.net [10.208.0.31]) by de01egw01.freescale.net (8.12.11/de01egw01) with ESMTP id l5J7Jfqx017415 for ; Tue, 19 Jun 2007 00:19:42 -0700 (MST) Received: from zch01exm23.fsl.freescale.net (zch01exm23.ap.freescale.net [10.192.129.207]) by de01smr01.freescale.net (8.13.1/8.13.0) with ESMTP id l5J7JevV027573 for ; Tue, 19 Jun 2007 02:19:41 -0500 (CDT) Subject: [PATCH 1/2]: Document the global utilities node define and example From: Zang Roy-r61911 To: Kumar Gala Content-Type: text/plain Message-Id: <1182237558.3269.14.camel@localhost.localdomain> Mime-Version: 1.0 Date: 19 Jun 2007 15:19:18 +0800 Cc: linuxppc-dev list , Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Roy Zang Document the global utilities node define and example. Signed-off-by: Roy Zang --- Based on current paul's tree! Documentation/powerpc/booting-without-of.txt | 28 ++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index d42d981..bdae4fc 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -51,6 +51,7 @@ Table of Contents h) Board Control and Status (BCSR) i) Freescale QUICC Engine module (QE) g) Flash chip nodes + k) Global Utilities Block VII - Specifying interrupt information for devices 1) interrupts property @@ -1782,6 +1783,33 @@ platforms are moved over to use the flattened-device-tree model. partition-names = "fs\0firmware"; }; + k) Global Utilities Block + + The global utilities block controls power management, I/O device + enabling, power-on-reset configuration monitoring, general-purpose + I/O signal configuration, alternate function selection for multiplexed + signals, and clock control. + + Required properties: + + - compatible : Should define the compatible device type for + global-utilities. + - reg : Offset and length of the register set for the device. + + Recommended properties: + + - fsl,has-rstcr : Indicates that the global utilities register set + contains a functioning "reset control register" (i.e. the board + is wired to reset upon setting the HRESET_REQ bit in this register). + + Example: + + global-utilities@e0000 { /* global utilities reg */ + compatible = "fsl,mpc8548-guts"; + reg = ; + fsl,has-rstcr; + }; + More devices will be defined as this spec matures. VII - Specifying interrupt information for devices -- 1.5.1