Message ID | 20210422090843.4614-3-quan@os.amperecomputing.com |
---|---|
State | Not Applicable, archived |
Headers | show
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dmarc=none action=none header.from=os.amperecomputing.com; Received: from MW2PR0102MB3482.prod.exchangelabs.com (2603:10b6:302:c::32) by MW4PR01MB6356.prod.exchangelabs.com (2603:10b6:303:66::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.16; Thu, 22 Apr 2021 09:09:14 +0000 Received: from MW2PR0102MB3482.prod.exchangelabs.com ([fe80::d840:7aa7:58d4:b503]) by MW2PR0102MB3482.prod.exchangelabs.com ([fe80::d840:7aa7:58d4:b503%5]) with mapi id 15.20.4042.024; Thu, 22 Apr 2021 09:09:14 +0000 From: Quan Nguyen <quan@os.amperecomputing.com> To: Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>, Jean Delvare <jdelvare@suse.com>, Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh+dt@kernel.org>, Lee Jones <lee.jones@linaro.org>, Jonathan Corbet <corbet@lwn.net>, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org Subject: [PATCH v4 2/4] mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support Date: Thu, 22 Apr 2021 16:08:41 +0700 Message-Id: <20210422090843.4614-3-quan@os.amperecomputing.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210422090843.4614-1-quan@os.amperecomputing.com> References: <20210422090843.4614-1-quan@os.amperecomputing.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [118.69.219.201] X-ClientProxiedBy: HKAPR04CA0011.apcprd04.prod.outlook.com (2603:1096:203:d0::21) 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 HKAPR04CA0011.apcprd04.prod.outlook.com (2603:1096:203:d0::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.22 via Frontend Transport; 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Nguyen" <thang@os.amperecomputing.com>, Phong Vo <phong@os.amperecomputing.com> Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" <linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
Add Ampere's Altra SMPro hwmon driver
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expand
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diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index d07e8cf93286..10713b0e260e 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -77,6 +77,17 @@ config MFD_AS3711 help Support for the AS3711 PMIC from AMS +config MFD_SMPRO + tristate "Ampere Computing MFD SMpro core driver" + depends on I2C + 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);
Adds simple register map MFD driver for SMpro co-processor found on the Mt.Jade hardware reference platform with Ampere's Altra processor family. Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> --- Changes in v4: + Add "depends on I2C" to fix build issue found by kernel test robot [Guenter] Changes in v3: + None Changes in v2: + Used 'struct of_device_id's .data attribute [Lee Jones] drivers/mfd/Kconfig | 11 +++++++++++ drivers/mfd/simple-mfd-i2c.c | 6 ++++++ 2 files changed, 17 insertions(+)