From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755449Ab3BDL5i (ORCPT ); Mon, 4 Feb 2013 06:57:38 -0500 Received: from mail-wi0-f182.google.com ([209.85.212.182]:38589 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755404Ab3BDL5f (ORCPT ); Mon, 4 Feb 2013 06:57:35 -0500 From: Lee Jones To: linux-kernel@vger.kernel.org, broonie@opensource.wolfsonmicro.com Cc: Mattias Wallin , Lee Jones Subject: [PATCH 55/73] regulator: ab8500: Provide ExtSupply register init values for AB8505 Date: Mon, 4 Feb 2013 11:54:10 +0000 Message-Id: <1359978868-28736-56-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359978868-28736-1-git-send-email-lee.jones@linaro.org> References: <1359978868-28736-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mattias Wallin On the AB8505 chip the ExtSupply balls are not mounted. However the ExtSupply register is there and this patch set the correct init value for that register. On HREF520 it saves 300uA. Signed-off-by: Mattias Wallin Signed-off-by: Lee Jones Reviewed-by: Marcus COOPER Reviewed-by: Rabin VINCENT --- arch/arm/mach-ux500/board-mop500-regulators.c | 8 ++++++++ drivers/regulator/ab8500.c | 8 ++++++++ include/linux/regulator/ab8500.h | 1 + 3 files changed, 17 insertions(+) diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c index 6c232b7..cc6ec35 100644 --- a/arch/arm/mach-ux500/board-mop500-regulators.c +++ b/arch/arm/mach-ux500/board-mop500-regulators.c @@ -651,6 +651,14 @@ static struct ab8500_regulator_reg_init ab8505_reg_init[] = { */ INIT_REGULATOR_REGISTER(AB8505_VPLLVANAREGU, 0x0f, 0x02), /* + * VextSupply1Regu = force OFF (OTP_ExtSupply12LPnPolarity 1) + * VextSupply2Regu = force OFF (OTP_ExtSupply12LPnPolarity 1) + * VextSupply3Regu = force OFF (OTP_ExtSupply3LPnPolarity 0) + * ExtSupply2Bypass = ExtSupply12LPn ball is 0 when Ena is 0 + * ExtSupply3Bypass = ExtSupply3LPn ball is 0 when Ena is 0 + */ + INIT_REGULATOR_REGISTER(AB8505_EXTSUPPLYREGU, 0xff, 0x30), + /* * Vaux1Regu = force HP * Vaux2Regu = force off */ diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c index f78cad5..e654f0a 100644 --- a/drivers/regulator/ab8500.c +++ b/drivers/regulator/ab8500.c @@ -1803,6 +1803,14 @@ static struct ab8500_reg_init ab8505_reg_init[] = { */ REG_INIT(AB8505_VPLLVANAREGU, 0x04, 0x06, 0x0f), /* + * 0x03, VextSupply1Regu + * 0x0c, VextSupply2Regu + * 0x30, VextSupply3Regu + * 0x40, ExtSupply2Bypass + * 0x80, ExtSupply3Bypass + */ + REG_INIT(AB8505_EXTSUPPLYREGU, 0x04, 0x08, 0xff), + /* * 0x03, Vaux1Regu * 0x0c, Vaux2Regu */ diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index 1d33586..5977c47 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -158,6 +158,7 @@ enum ab8505_regulator_reg { AB8505_VSMPSBREGU, AB8505_VSAFEREGU, /* NOTE! PRCMU register */ AB8505_VPLLVANAREGU, + AB8505_EXTSUPPLYREGU, AB8505_VAUX12REGU, AB8505_VRF1VAUX3REGU, AB8505_VSMPSASEL1, -- 1.7.9.5