From patchwork Mon Aug 17 22:01:48 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petr Cvek X-Patchwork-Id: 7027541 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6E7669F372 for ; Mon, 17 Aug 2015 22:01:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9EFCA205E5 for ; Mon, 17 Aug 2015 22:01:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 334B720789 for ; Mon, 17 Aug 2015 22:01:03 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZRSR7-000071-34; Mon, 17 Aug 2015 21:59:21 +0000 Received: from bubo.tul.cz ([2001:718:1c01:16::aa]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZRSR4-00088D-0t for linux-arm-kernel@lists.infradead.org; Mon, 17 Aug 2015 21:59:18 +0000 Received: from [78.80.185.17] (78-80-185-17.tmcz.cz [78.80.185.17]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by bubo.tul.cz (Postfix) with ESMTPSA id 2DDF01F0009; Mon, 17 Aug 2015 23:58:32 +0200 (CEST) From: Petr Cvek Subject: [PATCH v2 11/21] ARM: pxa: magician: Add MAX1586 Vcore regulator support To: robert.jarzmik@free.fr, philipp.zabel@gmail.com, daniel@zonque.org, haojian.zhuang@gmail.com, sameo@linux.intel.com, lee.jones@linaro.org, cooloney@gmail.com, rpurdie@rpsys.net, j.anaszewski@samsung.com, linux@arm.linux.org.uk, sre@kernel.org, dbaryshkov@gmail.com, dwmw2@infradead.org References: Message-ID: <55D259CC.6040307@tul.cz> Date: Tue, 18 Aug 2015 00:01:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150817_145918_257601_D915BE60 X-CRM114-Status: GOOD ( 11.38 ) X-Spam-Score: -2.5 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, linux-leds@vger.kernel.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for MAX1586 Vcore regulator. Signed-off-by: Petr Cvek --- arch/arm/mach-pxa/magician.c | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 9decd86..8ca0b67 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -96,6 +96,8 @@ #include +#include + #include "devices.h" #include "generic.h" @@ -864,6 +866,52 @@ static struct platform_device vads7846_device = { }; /* + * Vcore regulator MAX1587A + */ + +static struct regulator_consumer_supply magician_max1587a_consumers[] = { + REGULATOR_SUPPLY("vcc_core", NULL), +}; + +static struct regulator_init_data magician_max1587a_v3_info = { + .constraints = { + .name = "vcc_core range", + .min_uV = 700000, + .max_uV = 1500000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = magician_max1587a_consumers, + .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers), +}; + +static struct max1586_subdev_data magician_max1587a_subdevs[] = { + { + .name = "vcc_core", + .id = MAX1586_V3, + .platform_data = &magician_max1587a_v3_info, + } +}; + +static struct max1586_platform_data magician_max1587a_info = { + .subdevs = magician_max1587a_subdevs, + .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs), + /* + * NOTICE measured directly on the PCB (board_id == 0x3a), but + * if R24 is present, it will boost the voltage + * (write 1.475V, get 1.645V and smoke) + */ + .v3_gain = MAX1586_GAIN_NO_R24, +}; + +static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = { + { + I2C_BOARD_INFO("max1586", 0x14), + .platform_data = &magician_max1587a_info, + }, +}; + +/* * MMC/SD */ @@ -1173,6 +1221,8 @@ static void __init magician_init(void) pxa_set_i2c_info(&i2c_info); i2c_register_board_info(0, ARRAY_AND_SIZE(magician_audio_i2c_devices)); + i2c_register_board_info(1, + ARRAY_AND_SIZE(magician_pwr_i2c_board_info)); pxa_set_mci_info(&magician_mci_info); pxa_set_ohci_info(&magician_ohci_info);