From patchwork Tue May 9 14:32:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 1778995 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=mWAjsXtW; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=n8jt+o/G; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QG0yV2JrDz20ff for ; Wed, 10 May 2023 00:33:38 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 1CA9285C77; Tue, 9 May 2023 16:33:16 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1683642796; bh=JBpC1QHvmKwhru/+nJzJvCPtziUQsdgdiV8Ve1cK//Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mWAjsXtW37dlklRVkDT8Jc8QWmKjfv6OHrmzGsizyZsfcCP4sqFcA2YcbESUgRx8k oT6/MshgVczWFEnVPf2h98SfocqNXJNmpg5Lb+Hbt/NQYD/A90Q7kKoESj5IV346Jz v75AGYtisTYe2i4m0/RnslxOOqOAwGKrKbkY4ARxAX5CmTDF69C65gnfp205/snzly I0IaoxVTegUgWgOllstc6GMTJ9e6KdXDxcl8zlrELVHIbCWfno99rsOp3vm1iZ3Jr+ a4TjLY4/AXmjfOErikWkhSmDPtQ3Ehctzwgkm/WwmyL8yawr8ieok4IMPusA5FyXF0 50g24STDRG0pQ== Received: from localhost.localdomain (85-222-111-42.dynamic.chello.pl [85.222.111.42]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: lukma@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 324D785B96; Tue, 9 May 2023 16:33:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1683642793; bh=JBpC1QHvmKwhru/+nJzJvCPtziUQsdgdiV8Ve1cK//Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n8jt+o/GiaGuDlVVt/kdbMjExUbJOrIaDiFgobKh3c8tbSxl5e/saMOdhpYaT3D8M cOH3HruqyKApV/Q2uUMxKCsTQTGBfA7qEZ4VeStzbsi4/CwPJcoHjb50l/CI8JPdAg 66oH5hwPng8LsfaO8PX7ieL0XdcxrSvoaU5ZnlhhP9gZtg+ClZOp0OMKMGQ88g9thI 3vh5wN0bRKd9F/ykQAZrQdmefVtankNDX8BbpjKUP8DE1H4Lv2QIYGZUbQFeVXExDt f4mP7YOLBwSQyAVPOJc9UO4i84DZaDAfHyonOwqie0euzqg2+IHhrd5QZy9m3H2rYV juzBK7dowdjlw== From: Lukasz Majewski To: U-Boot Mailing List Cc: Stefano Babic , Peng Fan , Peng Fan , Fabio Estevam , "'NXP i . MX U-Boot Team'" , Marek Vasut , Lukasz Majewski Subject: [PATCH 2/5] arm: mxs: Provide Kconfig option to disable battery charging at IMX28 PMU Date: Tue, 9 May 2023 16:32:40 +0200 Message-Id: <20230509143243.1523791-2-lukma@denx.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230509143243.1523791-1-lukma@denx.de> References: <20230509143243.1523791-1-lukma@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This new Kconfig option allows disabling the in-PMU battery charging block. This may be required when DCDC_BAT source is powered not from battery, but from already regulated, good quality source. Signed-off-by: Lukasz Majewski --- arch/arm/cpu/arm926ejs/mxs/spl_power_init.c | 7 +++++++ arch/arm/mach-imx/mxs/Kconfig | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c index 9965810ac2..7c584db27c 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c @@ -756,6 +756,13 @@ static void mxs_batt_boot(void) setbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_ILIMIT_EQ_ZERO); + if (CONFIG_IS_ENABLED(MXS_PMU_DISABLE_BATT_CHARGE)) { + writel(POWER_CHARGE_PWD_BATTCHRG, + &power_regs->hw_power_charge_set); + writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, + &power_regs->hw_power_5vctrl_set); + } + mxs_power_enable_4p2(); } diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig index 3232b0fb67..f5e45ae846 100644 --- a/arch/arm/mach-imx/mxs/Kconfig +++ b/arch/arm/mach-imx/mxs/Kconfig @@ -59,6 +59,10 @@ config SPL_MXS_PMU_MINIMAL_VDD5V_CURRENT by the PMU is reduced to zero - the DCDC_BATT is used as the main power source for PMU. +config SPL_MXS_PMU_DISABLE_BATT_CHARGE + bool "Disable Battery Charging in MX28 PMU" + default n + source "board/freescale/mx28evk/Kconfig" source "board/liebherr/xea/Kconfig"