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Message-ID: <20180715094158.08115f93@archlinux>
Date: Sun, 15 Jul 2018 09:41:58 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Brian Masney <masneyb@...tation.org>, <robh+dt@...nel.org>,
<mark.rutland@....com>, <andy.gross@...aro.org>,
<david.brown@...aro.org>, <linux-iio@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-msm@...r.kernel.org>, <linux-soc@...r.kernel.org>,
<jonathan@...ek.ca>, <jmaneyrol@...ensense.com>, <knaack.h@....de>,
<lars@...afoo.de>, <pmeerw@...erw.net>, <mkelly@...o.com>,
<fischerdouglasc@...il.com>, <bshah@....org>, <ctatlor97@...il.com>
Subject: Re: [PATCH 1/3] iio: imu: mpu6050: add support for 6515 variant
On Thu, 12 Jul 2018 15:47:38 +0100
Jonathan Cameron <jonathan.cameron@...wei.com> wrote:
> On Tue, 10 Jul 2018 21:09:30 -0400
> Brian Masney <masneyb@...tation.org> wrote:
>
> > This patch adds support for the MPU 6515 variant. Confirmed that the
> > driver functions correctly on a LG Nexus 5 (hammerhead) phone.
> >
> > Signed-off-by: Brian Masney <masneyb@...tation.org>
> > Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.
thanks,
Jonathan
> > ---
> > This is a variation of Jonathan Marek's patch from postmarketOS
> > https://gitlab.com/postmarketOS/linux-postmarketos/commit/b8ad1ec1859c8bbcbce94944b3f4dd68f8f9fc37
> > with the following changes:
> >
> > - The driver was previously throwing a 'whoami mismatch got XXX' error.
> > Corrected ordering of hw_info variable to match the index of the
> > inv_devices enum. The mpu6515 needed to come after mpu6500, not
> > mpu6050.
> > - Removed regulator code. See next patch in this series.
> >
> > I got confirmation from Jonathan M. that it was ok for me to submit his
> > patch upstream with these changes.
> >
> > Jonathan C.: I assume that it is ok for the device tree binding
> > documentation to go through IIO? If not, I can split this out into a
> > separate patch if needed.
> A single ID addition is normally uncontroversial enough that we don't bother
> the DT maintainers (though of course they are welcome to look!).
> So this is fine.
> >
> > Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt | 1 +
> > drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 6 ++++++
> > drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 5 +++++
> > drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 2 ++
> > 4 files changed, 14 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
> > index 5f4777e8cc9e..b7def51c8ad9 100644
> > --- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
> > +++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
> > @@ -6,6 +6,7 @@ Required properties:
> > - compatible : should be one of
> > "invensense,mpu6050"
> > "invensense,mpu6500"
> > + "invensense,mpu6515"
> > "invensense,mpu9150"
> > "invensense,mpu9250"
> > "invensense,mpu9255"
> > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> > index de68e83fc52d..12c1b9507007 100644
> > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> > @@ -103,6 +103,12 @@ static const struct inv_mpu6050_hw hw_info[] = {
> > .reg = ®_set_6500,
> > .config = &chip_config_6050,
> > },
> > + {
> > + .whoami = INV_MPU6515_WHOAMI_VALUE,
> > + .name = "MPU6515",
> > + .reg = ®_set_6500,
> > + .config = &chip_config_6050,
> > + },
> > {
> > .whoami = INV_MPU6000_WHOAMI_VALUE,
> > .name = "MPU6000",
> > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> > index 495409d56207..dd758e3d403d 100644
> > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> > @@ -174,6 +174,7 @@ static int inv_mpu_remove(struct i2c_client *client)
> > static const struct i2c_device_id inv_mpu_id[] = {
> > {"mpu6050", INV_MPU6050},
> > {"mpu6500", INV_MPU6500},
> > + {"mpu6515", INV_MPU6515},
> > {"mpu9150", INV_MPU9150},
> > {"mpu9250", INV_MPU9250},
> > {"mpu9255", INV_MPU9255},
> > @@ -192,6 +193,10 @@ static const struct of_device_id inv_of_match[] = {
> > .compatible = "invensense,mpu6500",
> > .data = (void *)INV_MPU6500
> > },
> > + {
> > + .compatible = "invensense,mpu6515",
> > + .data = (void *)INV_MPU6515
> > + },
> > {
> > .compatible = "invensense,mpu9150",
> > .data = (void *)INV_MPU9150
> > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> > index de8391693e17..e69a59659dbc 100644
> > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> > @@ -71,6 +71,7 @@ struct inv_mpu6050_reg_map {
> > enum inv_devices {
> > INV_MPU6050,
> > INV_MPU6500,
> > + INV_MPU6515,
> > INV_MPU6000,
> > INV_MPU9150,
> > INV_MPU9250,
> > @@ -256,6 +257,7 @@ struct inv_mpu6050_state {
> > #define INV_MPU9150_WHOAMI_VALUE 0x68
> > #define INV_MPU9250_WHOAMI_VALUE 0x71
> > #define INV_MPU9255_WHOAMI_VALUE 0x73
> > +#define INV_MPU6515_WHOAMI_VALUE 0x74
> > #define INV_ICM20608_WHOAMI_VALUE 0xAF
> >
> > /* scan element definition */
>
>
> --
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