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Nguyen" Subject: [PATCH v3 2/4] mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support Date: Fri, 9 Apr 2021 10:13:30 +0700 Message-Id: <20210409031332.21919-3-quan@os.amperecomputing.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210409031332.21919-1-quan@os.amperecomputing.com> References: <20210409031332.21919-1-quan@os.amperecomputing.com> X-Originating-IP: [118.69.219.201] X-ClientProxiedBy: HK0PR01CA0054.apcprd01.prod.exchangelabs.com (2603:1096:203:a6::18) To MW2PR0102MB3482.prod.exchangelabs.com (2603:10b6:302:c::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from hcm-sw-17.amperecomputing.com (118.69.219.201) by HK0PR01CA0054.apcprd01.prod.exchangelabs.com (2603:1096:203:a6::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.17 via Frontend Transport; Fri, 9 Apr 2021 03:14:05 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4aef3221-474e-4ae5-e283-08d8fb058a88 X-MS-TrafficTypeDiagnostic: MWHPR0101MB2991: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3276; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MW2PR0102MB3482.prod.exchangelabs.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(39850400004)(396003)(136003)(346002)(376002)(6512007)(478600001)(38350700001)(921005)(6666004)(26005)(316002)(6486002)(1076003)(83380400001)(2906002)(86362001)(7416002)(186003)(16526019)(6506007)(5660300002)(107886003)(38100700001)(4326008)(66946007)(956004)(8936002)(8676002)(2616005)(52116002)(66556008)(54906003)(110136005)(66476007); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4aef3221-474e-4ae5-e283-08d8fb058a88 X-MS-Exchange-CrossTenant-AuthSource: MW2PR0102MB3482.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Apr 2021 03:14:09.5067 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Ad91onPXNHj0pUG493XmtRka4Y+7ipbPztfWBXMFAQr3Cv9SQyBKsiZt2DEh2NKsrL7xnBKNyDBq3/WGw1zO2w/BBvNHP0Wk4+FJ11l0a4s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR0101MB2991 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Adds an MFD driver for SMpro found on the Mt.Jade hardware reference platform with Ampere's Altra processor family. Signed-off-by: Quan Nguyen Reported-by: kernel test robot --- drivers/mfd/Kconfig | 10 ++++++++++ drivers/mfd/simple-mfd-i2c.c | 6 ++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index d07e8cf93286..f7a6460f7aa0 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -77,6 +77,16 @@ config MFD_AS3711 help Support for the AS3711 PMIC from AMS +config MFD_SMPRO + tristate "Ampere Computing MFD SMpro core driver" + select MFD_SIMPLE_MFD_I2C + help + Say yes here to enable SMpro driver support for Ampere's Altra + processor family. + + Ampere's Altra SMpro exposes an I2C regmap interface that can + be accessed by child devices. + config MFD_AS3722 tristate "ams AS3722 Power Management IC" select MFD_CORE diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 87f684cff9a1..9a44655f5592 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -21,6 +21,11 @@ static const struct regmap_config simple_regmap_config = { .val_bits = 8, }; +static const struct regmap_config simple_word_regmap_config = { + .reg_bits = 8, + .val_bits = 16, +}; + static int simple_mfd_i2c_probe(struct i2c_client *i2c) { const struct regmap_config *config; @@ -39,6 +44,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) static const struct of_device_id simple_mfd_i2c_of_match[] = { { .compatible = "kontron,sl28cpld" }, + { .compatible = "ampere,smpro", .data = &simple_word_regmap_config }, {} }; MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);