From: Boris Brezillon <boris.brezillon@collabora.com> To: Vitor Soares <Vitor.Soares@synopsys.com> Cc: linux-iio@vger.kernel.org, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, lorenzo@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, bbrezillon@kernel.org, Joao.Pinto@synopsys.com Subject: Re: [PATCH v4 3/3] iio: imu: st_lsm6dsx: add i3c basic support for LSM6DSO and LSM6DSR Date: Fri, 12 Jul 2019 18:14:29 +0200 [thread overview] Message-ID: <20190712181332.04f8b3da@linux.home> (raw) In-Reply-To: <f239834a6b8bd179094cdc19a3ac5ecaf807cee3.1562931742.git.vitor.soares@synopsys.com> On Fri, 12 Jul 2019 13:53:30 +0200 Vitor Soares <Vitor.Soares@synopsys.com> wrote: > For today the st_lsm6dsx driver support LSM6DSO and LSM6DSR sensor only in > spi and i2c mode. > > The LSM6DSO and LSM6DSR are also i3c capable so lets give i3c support to > them. > > Signed-off-by: Vitor Soares <vitor.soares@synopsys.com> > Acked-by: Lorenzo Bianconi <lorenzo@kernel.org> > --- > Changes in v4: > Remove hw_id variable > > Changes in v3: > Remove unnecessary st_lsm6dsx_i3c_data table used to hold device name > Use st_lsm6dsx_probe new form > > Changes in v2: > Add support for LSM6DSR > Set pm_ops to st_lsm6dsx_pm_ops > > drivers/iio/imu/st_lsm6dsx/Kconfig | 8 +++- > drivers/iio/imu/st_lsm6dsx/Makefile | 1 + > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c | 58 +++++++++++++++++++++++++++++ > 3 files changed, 66 insertions(+), 1 deletion(-) > create mode 100644 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > > diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig > index 9e59297..6b5a73c 100644 > --- a/drivers/iio/imu/st_lsm6dsx/Kconfig > +++ b/drivers/iio/imu/st_lsm6dsx/Kconfig > @@ -1,11 +1,12 @@ > > config IIO_ST_LSM6DSX > tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors" > - depends on (I2C || SPI) > + depends on (I2C || SPI || I3C) > select IIO_BUFFER > select IIO_KFIFO_BUF > select IIO_ST_LSM6DSX_I2C if (I2C) > select IIO_ST_LSM6DSX_SPI if (SPI_MASTER) > + select IIO_ST_LSM6DSX_I3C if (I3C) > help > Say yes here to build support for STMicroelectronics LSM6DSx imu > sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm, > @@ -23,3 +24,8 @@ config IIO_ST_LSM6DSX_SPI > tristate > depends on IIO_ST_LSM6DSX > select REGMAP_SPI > + > +config IIO_ST_LSM6DSX_I3C > + tristate > + depends on IIO_ST_LSM6DSX > + select REGMAP_I3C > diff --git a/drivers/iio/imu/st_lsm6dsx/Makefile b/drivers/iio/imu/st_lsm6dsx/Makefile > index e5f733c..c676965 100644 > --- a/drivers/iio/imu/st_lsm6dsx/Makefile > +++ b/drivers/iio/imu/st_lsm6dsx/Makefile > @@ -4,3 +4,4 @@ st_lsm6dsx-y := st_lsm6dsx_core.o st_lsm6dsx_buffer.o \ > obj-$(CONFIG_IIO_ST_LSM6DSX) += st_lsm6dsx.o > obj-$(CONFIG_IIO_ST_LSM6DSX_I2C) += st_lsm6dsx_i2c.o > obj-$(CONFIG_IIO_ST_LSM6DSX_SPI) += st_lsm6dsx_spi.o > +obj-$(CONFIG_IIO_ST_LSM6DSX_I3C) += st_lsm6dsx_i3c.o > diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > new file mode 100644 > index 0000000..2e89524 > --- /dev/null > +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > @@ -0,0 +1,58 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. > + * > + * Author: Vitor Soares <vitor.soares@synopsys.com> > + */ > + > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/i3c/device.h> > +#include <linux/i3c/master.h> > +#include <linux/slab.h> > +#include <linux/of.h> > +#include <linux/regmap.h> > + > +#include "st_lsm6dsx.h" > + > +static const struct i3c_device_id st_lsm6dsx_i3c_ids[] = { > + I3C_DEVICE(0x0104, 0x006C, (void *)ST_LSM6DSO_ID), > + I3C_DEVICE(0x0104, 0x006B, (void *)ST_LSM6DSR_ID), I think you need an uintptr_t cast here: I3C_DEVICE(0x0104, 0x006C, (void *)(uintptr_t)ST_LSM6DSO_ID), I3C_DEVICE(0x0104, 0x006B, (void *)(uintptr_t)ST_LSM6DSR_ID), otherwise gcc might complain that the integer and pointer do not have the same size (on 64-bit architectures). > + { /* sentinel */ }, > +}; > +MODULE_DEVICE_TABLE(i3c, st_lsm6dsx_i3c_ids); > + > +static const struct regmap_config st_lsm6dsx_i3c_regmap_config = { > + .reg_bits = 8, > + .val_bits = 8, > +}; This can be moved ... > + > +static int st_lsm6dsx_i3c_probe(struct i3c_device *i3cdev) > +{ ... here without the static and const qualifiers: struct regmap_config regmap_config = { .reg_bits = 8, .val_bits = 8, }; > + const struct i3c_device_id *id = i3c_device_match_id(i3cdev, > + st_lsm6dsx_i3c_ids); > + struct regmap *regmap; > + > + regmap = devm_regmap_init_i3c(i3cdev, &st_lsm6dsx_i3c_regmap_config); > + if (IS_ERR(regmap)) { > + dev_err(&i3cdev->dev, "Failed to register i3c regmap %d\n", > + (int)PTR_ERR(regmap)); > + return PTR_ERR(regmap); > + } > + > + return st_lsm6dsx_probe(&i3cdev->dev, 0, (int)id->data, regmap); uintptr_t cast here. > +} > + > +static struct i3c_driver st_lsm6dsx_driver = { > + .driver = { > + .name = "st_lsm6dsx_i3c", > + .pm = &st_lsm6dsx_pm_ops, > + }, > + .probe = st_lsm6dsx_i3c_probe, > + .id_table = st_lsm6dsx_i3c_ids, > +}; > +module_i3c_driver(st_lsm6dsx_driver); > + > +MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>"); > +MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i3c driver"); > +MODULE_LICENSE("GPL v2");
WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@collabora.com> To: Vitor Soares <Vitor.Soares@synopsys.com> Cc: Joao.Pinto@synopsys.com, rafael@kernel.org, linux-iio@vger.kernel.org, gregkh@linuxfoundation.org, bbrezillon@kernel.org, linux-kernel@vger.kernel.org, linux-i3c@lists.infradead.org, lorenzo@kernel.org Subject: Re: [PATCH v4 3/3] iio: imu: st_lsm6dsx: add i3c basic support for LSM6DSO and LSM6DSR Date: Fri, 12 Jul 2019 18:14:29 +0200 [thread overview] Message-ID: <20190712181332.04f8b3da@linux.home> (raw) In-Reply-To: <f239834a6b8bd179094cdc19a3ac5ecaf807cee3.1562931742.git.vitor.soares@synopsys.com> On Fri, 12 Jul 2019 13:53:30 +0200 Vitor Soares <Vitor.Soares@synopsys.com> wrote: > For today the st_lsm6dsx driver support LSM6DSO and LSM6DSR sensor only in > spi and i2c mode. > > The LSM6DSO and LSM6DSR are also i3c capable so lets give i3c support to > them. > > Signed-off-by: Vitor Soares <vitor.soares@synopsys.com> > Acked-by: Lorenzo Bianconi <lorenzo@kernel.org> > --- > Changes in v4: > Remove hw_id variable > > Changes in v3: > Remove unnecessary st_lsm6dsx_i3c_data table used to hold device name > Use st_lsm6dsx_probe new form > > Changes in v2: > Add support for LSM6DSR > Set pm_ops to st_lsm6dsx_pm_ops > > drivers/iio/imu/st_lsm6dsx/Kconfig | 8 +++- > drivers/iio/imu/st_lsm6dsx/Makefile | 1 + > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c | 58 +++++++++++++++++++++++++++++ > 3 files changed, 66 insertions(+), 1 deletion(-) > create mode 100644 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > > diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig > index 9e59297..6b5a73c 100644 > --- a/drivers/iio/imu/st_lsm6dsx/Kconfig > +++ b/drivers/iio/imu/st_lsm6dsx/Kconfig > @@ -1,11 +1,12 @@ > > config IIO_ST_LSM6DSX > tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors" > - depends on (I2C || SPI) > + depends on (I2C || SPI || I3C) > select IIO_BUFFER > select IIO_KFIFO_BUF > select IIO_ST_LSM6DSX_I2C if (I2C) > select IIO_ST_LSM6DSX_SPI if (SPI_MASTER) > + select IIO_ST_LSM6DSX_I3C if (I3C) > help > Say yes here to build support for STMicroelectronics LSM6DSx imu > sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm, > @@ -23,3 +24,8 @@ config IIO_ST_LSM6DSX_SPI > tristate > depends on IIO_ST_LSM6DSX > select REGMAP_SPI > + > +config IIO_ST_LSM6DSX_I3C > + tristate > + depends on IIO_ST_LSM6DSX > + select REGMAP_I3C > diff --git a/drivers/iio/imu/st_lsm6dsx/Makefile b/drivers/iio/imu/st_lsm6dsx/Makefile > index e5f733c..c676965 100644 > --- a/drivers/iio/imu/st_lsm6dsx/Makefile > +++ b/drivers/iio/imu/st_lsm6dsx/Makefile > @@ -4,3 +4,4 @@ st_lsm6dsx-y := st_lsm6dsx_core.o st_lsm6dsx_buffer.o \ > obj-$(CONFIG_IIO_ST_LSM6DSX) += st_lsm6dsx.o > obj-$(CONFIG_IIO_ST_LSM6DSX_I2C) += st_lsm6dsx_i2c.o > obj-$(CONFIG_IIO_ST_LSM6DSX_SPI) += st_lsm6dsx_spi.o > +obj-$(CONFIG_IIO_ST_LSM6DSX_I3C) += st_lsm6dsx_i3c.o > diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > new file mode 100644 > index 0000000..2e89524 > --- /dev/null > +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i3c.c > @@ -0,0 +1,58 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. > + * > + * Author: Vitor Soares <vitor.soares@synopsys.com> > + */ > + > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/i3c/device.h> > +#include <linux/i3c/master.h> > +#include <linux/slab.h> > +#include <linux/of.h> > +#include <linux/regmap.h> > + > +#include "st_lsm6dsx.h" > + > +static const struct i3c_device_id st_lsm6dsx_i3c_ids[] = { > + I3C_DEVICE(0x0104, 0x006C, (void *)ST_LSM6DSO_ID), > + I3C_DEVICE(0x0104, 0x006B, (void *)ST_LSM6DSR_ID), I think you need an uintptr_t cast here: I3C_DEVICE(0x0104, 0x006C, (void *)(uintptr_t)ST_LSM6DSO_ID), I3C_DEVICE(0x0104, 0x006B, (void *)(uintptr_t)ST_LSM6DSR_ID), otherwise gcc might complain that the integer and pointer do not have the same size (on 64-bit architectures). > + { /* sentinel */ }, > +}; > +MODULE_DEVICE_TABLE(i3c, st_lsm6dsx_i3c_ids); > + > +static const struct regmap_config st_lsm6dsx_i3c_regmap_config = { > + .reg_bits = 8, > + .val_bits = 8, > +}; This can be moved ... > + > +static int st_lsm6dsx_i3c_probe(struct i3c_device *i3cdev) > +{ ... here without the static and const qualifiers: struct regmap_config regmap_config = { .reg_bits = 8, .val_bits = 8, }; > + const struct i3c_device_id *id = i3c_device_match_id(i3cdev, > + st_lsm6dsx_i3c_ids); > + struct regmap *regmap; > + > + regmap = devm_regmap_init_i3c(i3cdev, &st_lsm6dsx_i3c_regmap_config); > + if (IS_ERR(regmap)) { > + dev_err(&i3cdev->dev, "Failed to register i3c regmap %d\n", > + (int)PTR_ERR(regmap)); > + return PTR_ERR(regmap); > + } > + > + return st_lsm6dsx_probe(&i3cdev->dev, 0, (int)id->data, regmap); uintptr_t cast here. > +} > + > +static struct i3c_driver st_lsm6dsx_driver = { > + .driver = { > + .name = "st_lsm6dsx_i3c", > + .pm = &st_lsm6dsx_pm_ops, > + }, > + .probe = st_lsm6dsx_i3c_probe, > + .id_table = st_lsm6dsx_i3c_ids, > +}; > +module_i3c_driver(st_lsm6dsx_driver); > + > +MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>"); > +MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i3c driver"); > +MODULE_LICENSE("GPL v2"); _______________________________________________ linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c
next prev parent reply other threads:[~2019-07-12 16:14 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-12 11:53 [PATCH v4 0/3] Add ST lsm6dso i3c support Vitor Soares 2019-07-12 11:53 ` Vitor Soares 2019-07-12 11:53 ` [PATCH v4 1/3] regmap: add i3c bus support Vitor Soares 2019-07-12 11:53 ` Vitor Soares 2019-07-12 15:59 ` Boris Brezillon 2019-07-12 15:59 ` Boris Brezillon 2019-07-12 16:14 ` Vitor Soares 2019-07-12 16:14 ` Vitor Soares 2019-07-12 11:53 ` [PATCH v4 2/3] i3c: move i3c_device_match_id to device.c and export it Vitor Soares 2019-07-12 11:53 ` Vitor Soares 2019-07-12 16:03 ` Boris Brezillon 2019-07-12 16:03 ` Boris Brezillon 2019-07-12 16:21 ` Vitor Soares 2019-07-12 16:21 ` Vitor Soares 2019-07-12 16:34 ` Boris Brezillon 2019-07-12 16:34 ` Boris Brezillon 2019-07-12 11:53 ` [PATCH v4 3/3] iio: imu: st_lsm6dsx: add i3c basic support for LSM6DSO and LSM6DSR Vitor Soares 2019-07-12 11:53 ` Vitor Soares 2019-07-12 16:14 ` Boris Brezillon [this message] 2019-07-12 16:14 ` Boris Brezillon 2019-07-12 16:28 ` Vitor Soares 2019-07-12 16:28 ` Vitor Soares 2019-07-12 16:43 ` Boris Brezillon 2019-07-12 16:43 ` Boris Brezillon 2019-07-12 18:40 ` Vitor Soares 2019-07-12 18:40 ` Vitor Soares 2019-07-12 20:03 ` Boris Brezillon 2019-07-12 20:03 ` Boris Brezillon 2019-07-16 13:22 ` Vitor Soares 2019-07-16 13:22 ` Vitor Soares 2019-07-16 13:40 ` Boris Brezillon 2019-07-16 13:40 ` Boris Brezillon 2019-07-12 15:58 ` [PATCH v4 0/3] Add ST lsm6dso i3c support Boris Brezillon 2019-07-12 15:58 ` Boris Brezillon
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