On Sat, Nov 09, 2024 at 08:18:13AM -0800, Guenter Roeck wrote: > On 11/9/24 07:15, Jonathan Cameron wrote: > > On Sat, 9 Nov 2024 06:53:28 -0800 > > Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > > > > On 11/9/24 05:16, Jonathan Cameron wrote: > > > > On Fri, 08 Nov 2024 17:26:57 -0500 > > > > Frank Li <Frank.Li@xxxxxxx> wrote: > > > > > Add support for I3C device in the tmp108 driver to handle the P3T1085 > > > > > sensor. Register the I3C device driver to enable I3C functionality for the > > > > > sensor. > > > > > > > > > > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > > > > > --- > > > > > drivers/hwmon/tmp108.c | 31 +++++++++++++++++++++++++++++++ > > > > > 1 file changed, 31 insertions(+) > > > > > > > > > > diff --git a/drivers/hwmon/tmp108.c b/drivers/hwmon/tmp108.c > > > > > index bfbea6349a95f..83d6847cb542c 100644 > > > > > --- a/drivers/hwmon/tmp108.c > > > > > +++ b/drivers/hwmon/tmp108.c > > > > > @@ -13,6 +13,8 @@ > > > > > #include <linux/mutex.h> > > > > > #include <linux/of.h> > > > > > #include <linux/i2c.h> > > > > > +#include <linux/i3c/device.h> > > > > > +#include <linux/i3c/master.h> > > > > > > > > Seems odd you need master.h in a device driver. > > > > I'll guess that's because you should be using i3cdev_to_device() > > > > > > I assume you mean i3cdev_to_dev() ? > > > > > Indeed! :( > > > > > Good point, but there are not many examples to draw from. The one > > > existing iio driver (st_lsm6dsx) doesn't use it either. I'll send > > > a patch shortly to fix that to prevent others from making the same > > > mistake. > > Excellent. > > In this context, are you by any chance aware of an USB<->I3C adapter > wit decent price point ? With more I3C devices becoming available, I'd > like to be able to test at least some of the code with real hardware. > For I2C I use the Devantech USB-ISS adapter, but I have not yet found > anything comparable for I3C, at least nothing that is affordable. I have not find usb->i3c adapter yet. you may try our qsb board https://www.nxp.com/design/design-center/software/development-software/i-mx-93-quick-start-evaluation-kit:IMX93QSB There are DIP header for it, SCL, SDA, GND and POWER. About $311 Frank > > Thanks, > Guenter >