Sorry, the email below was sent prematurely and will be resent shortly. -Gareth > On 20 February 2019 13:26 Gareth Williams wrote: > The Synopsys I2C Controller has a bus clock that some SoCs require to access > the registers. This series also details the new clock property in the bindings > documentation. > > v3: > - busclk renamed to pclk. > - Added comment with dw_i2c_dev struct definition describing pclk. > - Added enable rollback of first clock if second fails to enable. > - Changed clocks and clock-names sections to use term "peripheral clock" > (pclk) instead of "bus clock" (busclk) in dt-bindings documentation. > v2: > - Use new devm_clk_get_optional() function as it simplifies handling when > the optional clock is not present. > > Phil Edworthy (2): > dt: snps,designware-i2c: Add clock bindings documentation > i2c: designware: Add support for a bus clock > > .../devicetree/bindings/i2c/i2c-designware.txt | 9 +++++++++ > drivers/i2c/busses/i2c-designware-common.c | 18 > ++++++++++++++++-- > drivers/i2c/busses/i2c-designware-core.h | 2 ++ > drivers/i2c/busses/i2c-designware-platdrv.c | 5 +++++ > 4 files changed, 32 insertions(+), 2 deletions(-) > > -- > 2.7.4 Renesas Electronics Europe GmbH,Geschaeftsfuehrer/President : Michael Hannawald, Sitz der Gesellschaft/Registered office: Duesseldorf, Arcadiastrasse 10, 40472 Duesseldorf, Germany,Handelsregister/Commercial Register: Duesseldorf, HRB 3708 USt-IDNr./Tax identification no.: DE 119353406 WEEE-Reg.-Nr./WEEE reg. no.: DE 14978647