diff options
| author | Weifeng Voon <weifeng.voon@intel.com> | 2016-08-12 17:02:48 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2016-08-26 00:42:03 +0200 |
| commit | a92ec1746f10e339220bf186c4f6cce531b8a7ee (patch) | |
| tree | 885970678d525d0ed62e3aaa6e196e175539424a /drivers/i2c/busses/i2c-designware-platdrv.c | |
| parent | 19c0a5399fe46218c2b5a5c17a01cf60f91ff5ae (diff) | |
| download | linux-a92ec1746f10e339220bf186c4f6cce531b8a7ee.tar.bz2 | |
i2c: designware: get fast plus and high speed *CNT configuration
I2C designware controller can run at fast mode plus and high speed. This
patch adds the capability to get the HCNT, LCNT configuration via
FPCN (fast plus) and HSCN (high speed) ACPI method.
Signed-off-by: Weifeng Voon <weifeng.voon@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 1608cf4d3263..cbe4fb31cb4b 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -107,6 +107,8 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev) dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, NULL); dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &dev->sda_hold_time); + dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, NULL); + dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, NULL); id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev); if (id && id->driver_data) |