Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S973227AbdDXQKh (ORCPT ); Mon, 24 Apr 2017 12:10:37 -0400 Received: from mx0b-001ae601.pphosted.com ([67.231.152.168]:55005 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S972943AbdDXQJF (ORCPT ); Mon, 24 Apr 2017 12:09:05 -0400 Authentication-Results: ppops.net; spf=none smtp.mailfrom=rf@opensource.wolfsonmicro.com From: Richard Fitzgerald To: , , , , , , CC: , , , , Subject: [PATCH v2 07/18] regulator: arizona-micsupp: Add support for Cirrus Logic Madera codecs Date: Mon, 24 Apr 2017 17:08:33 +0100 Message-ID: <1493050124-5970-8-git-send-email-rf@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1493050124-5970-1-git-send-email-rf@opensource.wolfsonmicro.com> References: <1493050124-5970-1-git-send-email-rf@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1704240276 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5089 Lines: 155 This adds a new driver identity "madera-micsupp" and probe function so that this driver can be used to control the micsupp regulator on Cirrus Logic Madera codecs. Signed-off-by: Richard Fitzgerald --- Replaces the madera-specific driver from V1 patchset .../bindings/regulator/arizona-regulator.txt | 3 +- drivers/regulator/Kconfig | 7 ++- drivers/regulator/arizona-micsupp.c | 71 +++++++++++++++++++++- 3 files changed, 76 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/regulator/arizona-regulator.txt b/Documentation/devicetree/bindings/regulator/arizona-regulator.txt index 443564d..91b00f9 100644 --- a/Documentation/devicetree/bindings/regulator/arizona-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/arizona-regulator.txt @@ -5,7 +5,8 @@ of analogue I/O. This document lists regulator specific bindings, see the primary binding document: - ../mfd/arizona.txt + For Wolfson Arizona codecs: ../mfd/arizona.txt + For Cirrus Logic Madera codecs: ../mfd/madera.txt Optional properties: - wlf,ldoena : GPIO specifier for the GPIO controlling LDOENA diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 8647538..05e6aae 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -134,11 +134,12 @@ config REGULATOR_ARIZONA_LDO1 devices. config REGULATOR_ARIZONA_MICSUPP - tristate "Wolfson Arizona class devices MICSUPP" - depends on MFD_ARIZONA + tristate "Cirrus Madera and Wolfson Arizona class devices MICSUPP" + depends on MFD_ARIZONA || MFD_MADERA depends on SND_SOC help - Support for the MICSUPP regulators found on Wolfson Arizona class + Support for the MICSUPP regulators found on Cirrus Logic Madera codecs + and Wolfson Arizona codecs devices. config REGULATOR_AS3711 diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index 120de94..36bf73c 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -30,6 +30,10 @@ #include #include +#include +#include +#include + #include struct arizona_micsupp { @@ -205,6 +209,28 @@ static int arizona_micsupp_set_bypass(struct regulator_dev *rdev, bool ena) .num_consumer_supplies = 1, }; +static const struct regulator_desc madera_micsupp = { + .name = "MICVDD", + .supply_name = "CPVDD1", + .type = REGULATOR_VOLTAGE, + .n_voltages = 40, + .ops = &arizona_micsupp_ops, + + .vsel_reg = MADERA_LDO2_CONTROL_1, + .vsel_mask = MADERA_LDO2_VSEL_MASK, + .enable_reg = MADERA_MIC_CHARGE_PUMP_1, + .enable_mask = MADERA_CPMIC_ENA, + .bypass_reg = MADERA_MIC_CHARGE_PUMP_1, + .bypass_mask = MADERA_CPMIC_BYPASS, + + .linear_ranges = arizona_micsupp_ext_ranges, + .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ext_ranges), + + .enable_time = 3000, + + .owner = THIS_MODULE, +}; + static int arizona_micsupp_of_get_pdata(struct arizona_micsupp_pdata *pdata, struct regulator_config *config, const struct regulator_desc *desc) @@ -321,6 +347,24 @@ static int arizona_micsupp_probe(struct platform_device *pdev) &arizona->pdata.micvdd); } +static int madera_micsupp_probe(struct platform_device *pdev) +{ + struct madera *madera = dev_get_drvdata(pdev->dev.parent); + struct arizona_micsupp *micsupp; + + micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL); + if (!micsupp) + return -ENOMEM; + + micsupp->regmap = madera->regmap; + micsupp->dapm = &madera->dapm; + micsupp->dev = madera->dev; + micsupp->init_data = arizona_micsupp_ext_default; + + return arizona_micsupp_common_init(pdev, micsupp, &madera_micsupp, + &madera->pdata.micvdd); +} + static struct platform_driver arizona_micsupp_driver = { .probe = arizona_micsupp_probe, .driver = { @@ -328,10 +372,35 @@ static int arizona_micsupp_probe(struct platform_device *pdev) }, }; -module_platform_driver(arizona_micsupp_driver); +static struct platform_driver madera_micsupp_driver = { + .probe = madera_micsupp_probe, + .driver = { + .name = "madera-micsupp", + }, +}; + +static struct platform_driver * const arizona_micsupp_drivers[] = { + &arizona_micsupp_driver, + &madera_micsupp_driver, +}; + +static int __init arizona_micsupp_init(void) +{ + return platform_register_drivers(arizona_micsupp_drivers, + ARRAY_SIZE(arizona_micsupp_drivers)); +} +module_init(arizona_micsupp_init); + +static void __exit arizona_micsupp_exit(void) +{ + platform_unregister_drivers(arizona_micsupp_drivers, + ARRAY_SIZE(arizona_micsupp_drivers)); +} +module_exit(arizona_micsupp_exit); /* Module information */ MODULE_AUTHOR("Mark Brown "); MODULE_DESCRIPTION("Arizona microphone supply driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:arizona-micsupp"); +MODULE_ALIAS("platform:madera-micsupp"); -- 1.9.1