On 25 March 2018 at 12:07, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > Add a binding and a driver for the I2C IP found in the Socionext SynQuacer > SoC, which is essentially a rebranded version of the Fujitsu F_I2C controller. > > v6: > - use i2c_8bit_addr_from_msg() instead of open coding the address generation > - switch to generic recovery using minimal helpers to drive the SDA/SCL lines > directly > - use reinit_completion() and move init_completion() to probe function > - replace bus free detection at the end of a transfer with a simple udelay() > for 2 clock periods > - don't recover on every error > - don't call synquacer_i2c_hw_init() from synquacer_i2c_hw_reset(), since it > will be always called twice in that case > - add patch to sanity check i2c_transfer() arguments in core code (#3) > Hello Wolfram, Any comments on this v6? Time is running out quickly for v4.17. Thanks, Ard. > v5: > - add Rob's ack to #1 > - drop unnecessary 'platform_set_drvdata(pdev, NULL)' in remove path (#2) > > v4: > - clarify binding that only a single interrupt specifier is expected (#1) > - check return value of clk_prepare_enable() on probe path (#2) > - add Andy's R-b to patch #2 > > v3: > - incorporate more of Andy's review comments (#2), especially regarding the > bus speed and clock source handling for ACPI > - patch #1 unchanged. > > v2: > - incorporate Andy's review comments (#2) > - patch #1 unchanged. > > Ard Biesheuvel (3): > dt-bindings: i2c: add binding for Socionext SynQuacer I2C > i2c: add support for Socionext SynQuacer I2C controller > i2c: add param sanity check to i2c_transfer() > > Documentation/devicetree/bindings/i2c/i2c-synquacer.txt | 29 + > drivers/i2c/busses/Kconfig | 10 + > drivers/i2c/busses/Makefile | 1 + > drivers/i2c/busses/i2c-synquacer.c | 739 ++++++++++++++++++++ > drivers/i2c/i2c-core-base.c | 3 + > 5 files changed, 782 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-synquacer.txt > create mode 100644 drivers/i2c/busses/i2c-synquacer.c > > -- > 2.15.1 >