Commit Graph

7 Commits

Author SHA1 Message Date
Przemyslaw Gaj b1ac3a4b9a i3c: add addr and lvr to i2c_dev_desc structure
I need to store address and lvr value for I2C devices without static definition
in DT. This allows secondary master to transmit DEFSLVS command properly.

Main changes between v4 and v5:
- Change in defslvs to use addr and lvr from i2c_dev_desc structure
- Change in CDNS and DW drivers to use addr and lvr from i2c_dev_desc structure

Signed-off-by: Przemyslaw Gaj <pgaj@cadence.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
2019-08-11 10:48:28 +02:00
Andy Shevchenko fd3f8f3118 i3c: master: cdns: Use for_each_set_bit()
This simplifies and standardizes slot manipulation code
by using for_each_set_bit() library function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
2019-08-11 10:45:52 +02:00
Przemyslaw Gaj 88c5032244 i3c: Drop support for I2C 10 bit addresing
This patch drops support for I2C devices with 10 bit addressing. When I2C
device with 10 bit address is defined in DT, I3C master registration fails.

Address space for I2C devices has been reduced and ->i2c_funcs() hook has been
removed.

Because this patch series dropped support for 10 bit I2C devices, support is
also dropped in Cadence I3C master driver and Synopsys DesignWare I3C master
driver.

Signed-off-by: Przemyslaw Gaj <pgaj@cadence.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
2019-05-28 09:39:53 +02:00
Christophe JAILLET 0fac32f24c i3c: master: Fix an error checking typo in 'cdns_i3c_master_probe()'
Fix a cut'n'paste typo.
Checking 'master->sysclk' is expected here.

Fixes: 603f2bee2c ("i3c: master: Add driver for Cadence IP")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
2019-01-07 14:18:17 +01:00
Przemyslaw Gaj 25ac3da61b i3c: master: cdns: fix I2C transfers in Cadence I3C master driver
This patch fixes I2C transfers in Cadence I3C master driver.
There was no way to queue more than one I2C transfer before.

Fixes: 603f2bee2c ("i3c: master: Add driver for Cadence IP")
Signed-off-by: Przemyslaw Gaj <pgaj@cadence.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-12-12 17:08:32 +01:00
YueHaibing ad15e8c0fa i3c: master: Remove set but not used variable 'old_i3c_scl_lim'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/i3c/master/i3c-master-cdns.c: In function 'cdns_i3c_master_do_daa':
drivers/i3c/master/i3c-master-cdns.c:1137:16: warning:
 variable 'old_i3c_scl_lim' set but not used [-Wunused-but-set-variable]

It never used since introdution in commit
  acfab7d324b2 ("i3c: master: Add driver for Cadence IP")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-12-05 17:22:58 +01:00
Boris Brezillon 603f2bee2c i3c: master: Add driver for Cadence IP
Add a driver for Cadence I3C master IP.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05 17:22:58 +01:00