From patchwork Fri Apr 19 10:47:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chenhui zhao X-Patchwork-Id: 237905 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 1D7072C059F for ; Fri, 19 Apr 2013 20:53:02 +1000 (EST) Received: from tx2outboundpool.messaging.microsoft.com (tx2ehsobe001.messaging.microsoft.com [65.55.88.11]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 924742C021F for ; Fri, 19 Apr 2013 20:48:21 +1000 (EST) Received: from mail171-tx2-R.bigfish.com (10.9.14.231) by TX2EHSOBE006.bigfish.com (10.9.40.26) with Microsoft SMTP Server id 14.1.225.23; Fri, 19 Apr 2013 10:48:19 +0000 Received: from mail171-tx2 (localhost [127.0.0.1]) by mail171-tx2-R.bigfish.com (Postfix) with ESMTP id 743594C056B; Fri, 19 Apr 2013 10:48:19 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h1fc6h1ee6h1de0h1fdah1202h1e76h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h1354h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1155h) Received: from mail171-tx2 (localhost.localdomain [127.0.0.1]) by mail171-tx2 (MessageSwitch) id 1366368496872008_14808; Fri, 19 Apr 2013 10:48:16 +0000 (UTC) Received: from TX2EHSMHS040.bigfish.com (unknown [10.9.14.239]) by mail171-tx2.bigfish.com (Postfix) with ESMTP id D05ED24004F; Fri, 19 Apr 2013 10:48:16 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by TX2EHSMHS040.bigfish.com (10.9.99.140) with Microsoft SMTP Server (TLS) id 14.1.225.23; Fri, 19 Apr 2013 10:48:16 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.2.328.11; Fri, 19 Apr 2013 10:48:15 +0000 Received: from localhost.localdomain ([10.193.20.174]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id r3JAm5TP028249; Fri, 19 Apr 2013 03:48:13 -0700 From: Zhao Chenhui To: Subject: [PATCH v2 05/15] fsl_pmc: update device bindings Date: Fri, 19 Apr 2013 18:47:38 +0800 Message-ID: <1366368468-29143-5-git-send-email-chenhui.zhao@freescale.com> X-Mailer: git-send-email 1.7.3 In-Reply-To: <1366368468-29143-1-git-send-email-chenhui.zhao@freescale.com> References: <1366368468-29143-1-git-send-email-chenhui.zhao@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com Cc: linux-kernel@vger.kernel.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Li Yang Signed-off-by: Li Yang Signed-off-by: Zhao Chenhui --- .../devicetree/bindings/powerpc/fsl/pmc.txt | 59 +++++++++++-------- 1 files changed, 34 insertions(+), 25 deletions(-) diff --git a/Documentation/devicetree/bindings/powerpc/fsl/pmc.txt b/Documentation/devicetree/bindings/powerpc/fsl/pmc.txt index 07256b7..f1f749f 100644 --- a/Documentation/devicetree/bindings/powerpc/fsl/pmc.txt +++ b/Documentation/devicetree/bindings/powerpc/fsl/pmc.txt @@ -9,15 +9,20 @@ Properties: "fsl,mpc8548-pmc" should be listed for any chip whose PMC is compatible. "fsl,mpc8536-pmc" should also be listed for any chip - whose PMC is compatible, and implies deep-sleep capability. + whose PMC is compatible, and implies deep-sleep capability and + wake on user defined packet(wakeup on ARP). + + "fsl,p1022-pmc" should be listed for any chip whose PMC is + compatible, and implies lossless Ethernet capability during sleep. "fsl,mpc8641d-pmc" should be listed for any chip whose PMC is compatible; all statements below that apply to "fsl,mpc8548-pmc" also apply to "fsl,mpc8641d-pmc". Compatibility does not include bit assignments in SCCR/PMCDR/DEVDISR; these - bit assignments are indicated via the sleep specifier in each device's - sleep property. + bit assignments are indicated via the clock nodes. Device which has a + controllable clock source should have a "fsl,pmc-handle" property pointing + to the clock node. - reg: For devices compatible with "fsl,mpc8349-pmc", the first resource is the PMC block, and the second resource is the Clock Configuration @@ -33,31 +38,35 @@ Properties: this is a phandle to an "fsl,gtm" node on which timer 4 can be used as a wakeup source from deep sleep. -Sleep specifiers: +Clock nodes: +The clock nodes are to describe the masks in PM controller registers for each +soc clock. +- fsl,pmcdr-mask: For "fsl,mpc8548-pmc"-compatible devices, the mask will be + ORed into PMCDR before suspend if the device using this clock is the wake-up + source and need to be running during low power mode; clear the mask if + otherwise. - fsl,mpc8349-pmc: Sleep specifiers consist of one cell. For each bit - that is set in the cell, the corresponding bit in SCCR will be saved - and cleared on suspend, and restored on resume. This sleep controller - supports disabling and resuming devices at any time. +- fsl,sccr-mask: For "fsl,mpc8349-pmc"-compatible devices, the corresponding + bit specified by the mask in SCCR will be saved and cleared on suspend, and + restored on resume. - fsl,mpc8536-pmc: Sleep specifiers consist of three cells, the third of - which will be ORed into PMCDR upon suspend, and cleared from PMCDR - upon resume. The first two cells are as described for fsl,mpc8578-pmc. - This sleep controller only supports disabling devices during system - sleep, or permanently. - - fsl,mpc8548-pmc: Sleep specifiers consist of one or two cells, the - first of which will be ORed into DEVDISR (and the second into - DEVDISR2, if present -- this cell should be zero or absent if the - hardware does not have DEVDISR2) upon a request for permanent device - disabling. This sleep controller does not support configuring devices - to disable during system sleep (unless supported by another compatible - match), or dynamically. +- fsl,devdisr-mask: Contain one or two cells, depending on the availability of + DEVDISR2 register. For compatible devices, the mask will be ORed into DEVDISR + or DEVDISR2 when the clock should be permenently disabled. Example: - power@b00 { - compatible = "fsl,mpc8313-pmc", "fsl,mpc8349-pmc"; - reg = <0xb00 0x100 0xa00 0x100>; - interrupts = <80 8>; + power@e0070 { + compatible = "fsl,mpc8536-pmc", "fsl,mpc8548-pmc"; + reg = <0xe0070 0x20>; + + etsec1_clk: soc-clk@24 { + fsl,pmcdr-mask = <0x00000080>; + }; + etsec2_clk: soc-clk@25 { + fsl,pmcdr-mask = <0x00000040>; + }; + etsec3_clk: soc-clk@26 { + fsl,pmcdr-mask = <0x00000020>; + }; };