From patchwork Thu Mar 21 15:59:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 15493 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 8827723E14 for ; Thu, 21 Mar 2013 16:00:44 +0000 (UTC) Received: from mail-vc0-f179.google.com (mail-vc0-f179.google.com [209.85.220.179]) by fiordland.canonical.com (Postfix) with ESMTP id 2BE19A19E54 for ; Thu, 21 Mar 2013 16:00:44 +0000 (UTC) Received: by mail-vc0-f179.google.com with SMTP id gf12so2381116vcb.24 for ; Thu, 21 Mar 2013 09:00:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:x-forwarded-to:x-forwarded-for:delivered-to:x-received :received-spf:x-received:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references:x-gm-message-state; bh=vOsGRc1XAjD58Mcqduig/CtZ6PUiH1GhYksa8o9ayeQ=; b=f1uY2F9DRH7B3qdJXCYIqdHZgWSJH5nRyHGIUF1HGNCceHDVqsaEEozUK2GD1hJiOY Gqv9WQxpdMEgHjmg7veY7/28Hu44Zw/VSxc4jtYfjvXHp08cH2yeufZIMOdFcpEEAUdC IP2vJIH9ze1VFIVI1i2JRPU813AEbNPg6xOixZ5JUDh7O9gmZd7RDL2k4IhPCiaVMAqZ A6xhdOAvObl56B3Ji1C+cWqbSHwkp62YrQGFushFR5V/0/W+C6T5BXrOakHJ5fC5DFmO pCHxOw92eTN2sjaXxRSlTELvmVEcG9ilhXdcgXJu5Dfessec1fsXgiHIBw1vQDogdVuV Lx8g== X-Received: by 10.52.76.103 with SMTP id j7mr12314941vdw.90.1363881640422; Thu, 21 Mar 2013 09:00:40 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.58.233.198 with SMTP id ty6csp66784vec; Thu, 21 Mar 2013 09:00:39 -0700 (PDT) X-Received: by 10.180.87.98 with SMTP id w2mr5629101wiz.30.1363881639306; Thu, 21 Mar 2013 09:00:39 -0700 (PDT) Received: from mail-wg0-x229.google.com ([2a00:1450:400c:c00::229]) by mx.google.com with ESMTPS id u6si1429885wix.125.2013.03.21.09.00.38 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 21 Mar 2013 09:00:39 -0700 (PDT) Received-SPF: neutral (google.com: 2a00:1450:400c:c00::229 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) client-ip=2a00:1450:400c:c00::229; Authentication-Results: mx.google.com; spf=neutral (google.com: 2a00:1450:400c:c00::229 is neither permitted nor denied by best guess record for domain of lee.jones@linaro.org) smtp.mail=lee.jones@linaro.org Received: by mail-wg0-f41.google.com with SMTP id ds1so2006864wgb.0 for ; Thu, 21 Mar 2013 09:00:38 -0700 (PDT) X-Received: by 10.194.121.6 with SMTP id lg6mr18247583wjb.22.1363881638866; Thu, 21 Mar 2013 09:00:38 -0700 (PDT) Received: from localhost.localdomain (cpc34-aztw25-2-0-cust250.18-1.cable.virginmedia.com. [86.16.136.251]) by mx.google.com with ESMTPS id h10sm6110847wic.8.2013.03.21.09.00.36 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 21 Mar 2013 09:00:37 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, broonie@opensource.wolfsonmicro.com Cc: arnd@arndb.de, linus.walleij@stericsson.com, Lee Jones Subject: [PATCH 18/46] regulator: ab8500: Clean out SoC registers Date: Thu, 21 Mar 2013 15:59:15 +0000 Message-Id: <1363881583-15234-19-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1363881583-15234-1-git-send-email-lee.jones@linaro.org> References: <1363881583-15234-1-git-send-email-lee.jones@linaro.org> X-Gm-Message-State: ALoCoQl1yZk88kyj71K80llbKurAjbz71BtLp1G336Eq5uHysfT2+SxF8VxejJ2k/P14de6cTC3/ Clean out initialisation that is handled by SoC. Regulator settings for Vpll (partly), Vsmps1, Vsmps2, Vsmps3 (partly), Vrf1, Varm, Vape, Vbb, Vmod are cleaned out. They should not be touched by the kernel. We also update many of the initialisation values to be more in-line with the current development efforts of ST-Ericsson internal engineers. Signed-off-by: Lee Jones --- arch/arm/mach-ux500/board-mop500-regulators.c | 28 +------ drivers/regulator/ab8500.c | 98 ++++++------------------- include/linux/regulator/ab8500.h | 12 --- 3 files changed, 28 insertions(+), 110 deletions(-) diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c index b08c8c8..12d0ab0 100644 --- a/arch/arm/mach-ux500/board-mop500-regulators.c +++ b/arch/arm/mach-ux500/board-mop500-regulators.c @@ -140,10 +140,9 @@ static struct regulator_consumer_supply ab8500_vana_consumers[] = { static struct ab8500_regulator_reg_init ab8500_reg_init[] = { /* * VanaRequestCtrl = HP/LP depending on VxRequest - * VpllRequestCtrl = HP/LP depending on VxRequest * VextSupply1RequestCtrl = HP/LP depending on VxRequest */ - INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0xfc, 0x00), + INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0xf0, 0x00), /* * VextSupply2RequestCtrl = HP/LP depending on VxRequest * VextSupply3RequestCtrl = HP/LP depending on VxRequest @@ -157,16 +156,12 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = { */ INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4, 0x07, 0x00), /* - * Vsmps1SysClkReq1HPValid = enabled - * Vsmps2SysClkReq1HPValid = enabled - * Vsmps3SysClkReq1HPValid = enabled * VanaSysClkReq1HPValid = disabled - * VpllSysClkReq1HPValid = enabled * Vaux1SysClkReq1HPValid = disabled * Vaux2SysClkReq1HPValid = disabled * Vaux3SysClkReq1HPValid = disabled */ - INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0xff, 0x17), + INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0xe8, 0x00), /* * VextSupply1SysClkReq1HPValid = disabled * VextSupply2SysClkReq1HPValid = disabled @@ -253,17 +248,7 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = { */ INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC, 0x03, 0x00), /* - * Vsmps1Regu = HW control - * Vsmps1SelCtrl = Vsmps1 voltage defined by Vsmsp1Sel2 - */ - INIT_REGULATOR_REGISTER(AB8500_VSMPS1REGU, 0x0f, 0x06), - /* - * Vsmps2Regu = HW control - * Vsmps2SelCtrl = Vsmps2 voltage defined by Vsmsp2Sel2 - */ - INIT_REGULATOR_REGISTER(AB8500_VSMPS2REGU, 0x0f, 0x06), - /* - * VPll = Hw controlled + * VPll = Hw controlled (NOTE! PRCMU bits) * VanaRegu = force off */ INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU, 0x0f, 0x02), @@ -286,14 +271,9 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = { */ INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU, 0x0f, 0x01), /* - * Vrf1Regu = HW control * Vaux3Regu = force off */ - INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x0f, 0x08), - /* - * Vsmps1 = 1.15V - */ - INIT_REGULATOR_REGISTER(AB8500_VSMPS1SEL1, 0x3f, 0x24), + INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x03, 0x00), /* * Vaux1Sel = 2.5 V */ diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c index 74620cc..8c5276d 100644 --- a/drivers/regulator/ab8500.c +++ b/drivers/regulator/ab8500.c @@ -595,19 +595,10 @@ struct ab8500_reg_init { static struct ab8500_reg_init ab8500_reg_init[] = { /* - * 0x03, VarmRequestCtrl - * 0x0c, VapeRequestCtrl - * 0x30, Vsmps1RequestCtrl - * 0xc0, Vsmps2RequestCtrl - */ - REG_INIT(AB8500_REGUREQUESTCTRL1, 0x03, 0x03, 0xff), - /* - * 0x03, Vsmps3RequestCtrl - * 0x0c, VpllRequestCtrl * 0x30, VanaRequestCtrl * 0xc0, VextSupply1RequestCtrl */ - REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xff), + REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xf0), /* * 0x03, VextSupply2RequestCtrl * 0x0c, VextSupply3RequestCtrl @@ -621,91 +612,74 @@ static struct ab8500_reg_init ab8500_reg_init[] = { */ REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07), /* - * 0x01, Vsmps1SysClkReq1HPValid - * 0x02, Vsmps2SysClkReq1HPValid - * 0x04, Vsmps3SysClkReq1HPValid * 0x08, VanaSysClkReq1HPValid - * 0x10, VpllSysClkReq1HPValid * 0x20, Vaux1SysClkReq1HPValid * 0x40, Vaux2SysClkReq1HPValid * 0x80, Vaux3SysClkReq1HPValid */ - REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff), + REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8), /* - * 0x01, VapeSysClkReq1HPValid - * 0x02, VarmSysClkReq1HPValid - * 0x04, VbbSysClkReq1HPValid - * 0x08, VmodSysClkReq1HPValid * 0x10, VextSupply1SysClkReq1HPValid * 0x20, VextSupply2SysClkReq1HPValid * 0x40, VextSupply3SysClkReq1HPValid */ - REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x7f), + REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70), /* - * 0x01, Vsmps1HwHPReq1Valid - * 0x02, Vsmps2HwHPReq1Valid - * 0x04, Vsmps3HwHPReq1Valid * 0x08, VanaHwHPReq1Valid - * 0x10, VpllHwHPReq1Valid * 0x20, Vaux1HwHPReq1Valid * 0x40, Vaux2HwHPReq1Valid * 0x80, Vaux3HwHPReq1Valid */ - REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff), + REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8), /* * 0x01, VextSupply1HwHPReq1Valid * 0x02, VextSupply2HwHPReq1Valid * 0x04, VextSupply3HwHPReq1Valid - * 0x08, VmodHwHPReq1Valid */ - REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x0f), + REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07), /* - * 0x01, Vsmps1HwHPReq2Valid - * 0x02, Vsmps2HwHPReq2Valid - * 0x03, Vsmps3HwHPReq2Valid * 0x08, VanaHwHPReq2Valid - * 0x10, VpllHwHPReq2Valid * 0x20, Vaux1HwHPReq2Valid * 0x40, Vaux2HwHPReq2Valid * 0x80, Vaux3HwHPReq2Valid */ - REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff), + REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8), /* * 0x01, VextSupply1HwHPReq2Valid * 0x02, VextSupply2HwHPReq2Valid * 0x04, VextSupply3HwHPReq2Valid - * 0x08, VmodHwHPReq2Valid */ - REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x0f), + REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07), /* - * 0x01, VapeSwHPReqValid - * 0x02, VarmSwHPReqValid - * 0x04, Vsmps1SwHPReqValid - * 0x08, Vsmps2SwHPReqValid - * 0x10, Vsmps3SwHPReqValid * 0x20, VanaSwHPReqValid - * 0x40, VpllSwHPReqValid * 0x80, Vaux1SwHPReqValid */ - REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff), + REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0), /* * 0x01, Vaux2SwHPReqValid * 0x02, Vaux3SwHPReqValid * 0x04, VextSupply1SwHPReqValid * 0x08, VextSupply2SwHPReqValid * 0x10, VextSupply3SwHPReqValid - * 0x20, VmodSwHPReqValid */ - REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x3f), + REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f), /* * 0x02, SysClkReq2Valid1 - * ... + * 0x04, SysClkReq3Valid1 + * 0x08, SysClkReq4Valid1 + * 0x10, SysClkReq5Valid1 + * 0x20, SysClkReq6Valid1 + * 0x40, SysClkReq7Valid1 * 0x80, SysClkReq8Valid1 */ REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe), /* * 0x02, SysClkReq2Valid2 - * ... + * 0x04, SysClkReq3Valid2 + * 0x08, SysClkReq4Valid2 + * 0x10, SysClkReq5Valid2 + * 0x20, SysClkReq6Valid2 + * 0x40, SysClkReq7Valid2 * 0x80, SysClkReq8Valid2 */ REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe), @@ -730,21 +704,7 @@ static struct ab8500_reg_init ab8500_reg_init[] = { */ REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03), /* - * 0x03, Vsmps1Regu - * 0x0c, Vsmps1SelCtrl - * 0x10, Vsmps1AutoMode - * 0x20, Vsmps1PWMMode - */ - REG_INIT(AB8500_VSMPS1REGU, 0x04, 0x03, 0x3f), - /* - * 0x03, Vsmps2Regu - * 0x0c, Vsmps2SelCtrl - * 0x10, Vsmps2AutoMode - * 0x20, Vsmps2PWMMode - */ - REG_INIT(AB8500_VSMPS2REGU, 0x04, 0x04, 0x3f), - /* - * 0x03, VpllRegu + * 0x03, VpllRegu (NOTE! PRCMU register bits) * 0x0c, VanaRegu */ REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f), @@ -767,14 +727,9 @@ static struct ab8500_reg_init ab8500_reg_init[] = { */ REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f), /* - * 0x0c, Vrf1Regu * 0x03, Vaux3Regu */ - REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f), - /* - * 0x3f, Vsmps1Sel1 - */ - REG_INIT(AB8500_VSMPS1SEL1, 0x04, 0x13, 0x3f), + REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03), /* * 0x0f, Vaux1Sel */ @@ -785,16 +740,13 @@ static struct ab8500_reg_init ab8500_reg_init[] = { REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f), /* * 0x07, Vaux3Sel - * 0x30, Vrf1Sel */ - REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x37), + REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07), /* * 0x01, VextSupply12LP */ REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01), /* - * 0x01, VpllDisch - * 0x02, Vrf1Disch * 0x04, Vaux1Disch * 0x08, Vaux2Disch * 0x10, Vaux3Disch @@ -802,15 +754,13 @@ static struct ab8500_reg_init ab8500_reg_init[] = { * 0x40, VTVoutDisch * 0x80, VaudioDisch */ - REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xff), + REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc), /* - * 0x01, VsimDisch * 0x02, VanaDisch * 0x04, VdmicPullDownEna - * 0x08, VpllPullDownEna * 0x10, VdmicDisch */ - REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x1f), + REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16), }; static int ab8500_regulator_init_registers(struct platform_device *pdev, diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index 094d24c..592a3f3 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -62,7 +62,6 @@ struct ab8500_regulator_reg_init { /* AB8500 registers */ enum ab8500_regulator_reg { - AB8500_REGUREQUESTCTRL1, AB8500_REGUREQUESTCTRL2, AB8500_REGUREQUESTCTRL3, AB8500_REGUREQUESTCTRL4, @@ -79,22 +78,11 @@ enum ab8500_regulator_reg { AB8500_REGUMISC1, AB8500_VAUDIOSUPPLY, AB8500_REGUCTRL1VAMIC, - AB8500_VSMPS1REGU, - AB8500_VSMPS2REGU, - AB8500_VSMPS3REGU, /* NOTE! PRCMU register */ AB8500_VPLLVANAREGU, AB8500_VREFDDR, AB8500_EXTSUPPLYREGU, AB8500_VAUX12REGU, AB8500_VRF1VAUX3REGU, - AB8500_VSMPS1SEL1, - AB8500_VSMPS1SEL2, - AB8500_VSMPS1SEL3, - AB8500_VSMPS2SEL1, - AB8500_VSMPS2SEL2, - AB8500_VSMPS2SEL3, - AB8500_VSMPS3SEL1, /* NOTE! PRCMU register */ - AB8500_VSMPS3SEL2, /* NOTE! PRCMU register */ AB8500_VAUX1SEL, AB8500_VAUX2SEL, AB8500_VRF1VAUX3SEL,