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 Cc: Open Source Submission <patches@amperecomputing.com>, Phong Vo <phong@os.amperecomputing.com>, "Thang Q . Nguyen" <thang@os.amperecomputing.com> Subject: [PATCH v4 2/4] mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support Date: Thu, 22 Apr 2021 16:08:41 +0700 [thread overview] Message-ID: <20210422090843.4614-3-quan@os.amperecomputing.com> (raw) In-Reply-To: <20210422090843.4614-1-quan@os.amperecomputing.com> 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(+) 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); -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
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 Cc: Open Source Submission <patches@amperecomputing.com>, "Thang Q . Nguyen" <thang@os.amperecomputing.com>, Phong Vo <phong@os.amperecomputing.com> Subject: [PATCH v4 2/4] mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support Date: Thu, 22 Apr 2021 16:08:41 +0700 [thread overview] Message-ID: <20210422090843.4614-3-quan@os.amperecomputing.com> (raw) In-Reply-To: <20210422090843.4614-1-quan@os.amperecomputing.com> 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(+) 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); -- 2.28.0
next prev parent reply other threads:[~2021-04-22 9:09 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-22 9:08 [PATCH v4 0/4] Add Ampere's Altra SMPro hwmon driver Quan Nguyen 2021-04-22 9:08 ` Quan Nguyen 2021-04-22 9:08 ` [PATCH v4 1/4] dt-bindings: mfd: Add bindings for Ampere Altra SMPro drivers Quan Nguyen 2021-04-22 9:08 ` Quan Nguyen 2021-04-30 20:19 ` Rob Herring 2021-04-30 20:19 ` Rob Herring 2021-05-05 8:44 ` Quan Nguyen 2021-05-05 8:44 ` Quan Nguyen 2021-05-17 23:36 ` Quan Nguyen 2021-05-17 23:36 ` Quan Nguyen 2021-05-31 4:40 ` Quan Nguyen 2021-05-31 4:40 ` Quan Nguyen 2021-04-22 9:08 ` Quan Nguyen [this message] 2021-04-22 9:08 ` [PATCH v4 2/4] mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support Quan Nguyen 2021-04-22 9:08 ` [PATCH v4 3/4] hwmon: smpro: Add Ampere's Altra smpro-hwmon driver Quan Nguyen 2021-04-22 9:08 ` Quan Nguyen 2021-04-23 14:27 ` Guenter Roeck 2021-04-23 14:27 ` Guenter Roeck 2021-04-22 9:08 ` [PATCH v4 4/4] docs: hwmon: (smpro-hwmon) Add documentation Quan Nguyen 2021-04-22 9:08 ` Quan Nguyen 2021-04-23 14:28 ` Guenter Roeck 2021-04-23 14:28 ` Guenter Roeck
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